Problems

10546 problems from 1067 problem sets used by 1069 contests (10541 distinct problems; a problem reused across sets appears once per set). See also holdings by contest (coverage of the whole archive, including the 280 sets without a per-problem list) · all sets · online judges. Filter by judge, held material, season or region; the box matches any column.

St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.

contestsetseasonregion#problemheldsolve onlinenotes
acpc-2000acpc-20002000–2001Africa & Arab?Convert—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Text Justification/Wrapping—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Logic World—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Maze—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Merkle-Hellman Knapsack Public Key Cryptosystem—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Arithmetic Progressions—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Pseudo Randoms—ICPC Live Archive
acpc-2000acpc-20002000–2001Africa & Arab?Sigma—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Budget Movie—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Let's compute—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Subsequence—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Easy—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Anagrams by Stack—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Control Break—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Intersecting Line Segments—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Metro—ICPC Live Archive
acpc-2001acpc-20012001–2002Africa & Arab?Turning Mirrors—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Anagrams—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Crossing the Words—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?City of Flatland—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Pushing Carts—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Palindromes—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Why Johnny Can't Count—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Snakes & Ladders—ICPC Live Archive
acpc-2002acpc-20022002–2003Africa & Arab?Prime Spiral—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?Isomorphic Numbers—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?Macrosoft Word—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?Johnny the Taxi Driver—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?In Memory of Denis Roskin—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?The Game of Nubble—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?Traffic Control—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?Who Is the Real Second—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?The Game of Yazoo—ICPC Live Archive
acpc-2003acpc-20032003–2004Africa & Arab?XML+XPATH=XSLT—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Da Vinci's Cryptex—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?F of a and b to the k—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?The Long Divide—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Partial Overlapping—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Geometry?! Why Not??—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Indistinguishable Blocks—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Chop Ahoy!—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?Give me a break!—ICPC Live Archive
acpc-2004acpc-20042004–2005Africa & Arab?One for all. All for there exists.—ICPC Live Archive
acpc-2005acpc-20052005–2006Africa & ArabAThe Earth is Flat!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabCAlpha of Degree k—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabEStill Johnny Can't Add—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabGThe Euclidian Clock—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabHChop Ahoy! Revisited!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabIWhat's your Logo?—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & ArabJIt's All About Three—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2005acpc-20052005–2006Africa & Arab?The Double HeLiX—ICPC Live Archive
acpc-2005acpc-20052005–2006Africa & Arab?Sort that Queue—ICPC Live Archive
acpc-2005acpc-20052005–2006Africa & Arab?Newton's Apple—ICPC Live Archive
acpc-2006acpc-20062006–2007Africa & ArabABeing Smarty!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & ArabDWalk Like an Egyptian—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & ArabEThe Great Sahara—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & ArabGMinimum Spanning Tree—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & ArabHA-to-Z—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & ArabICasting Out Nines—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2006acpc-20062006–2007Africa & Arab?The Game of Tetris—ICPC Live Archive
acpc-2006acpc-20062006–2007Africa & Arab?Wooden Blocks—ICPC Live Archive
acpc-2006acpc-20062006–2007Africa & Arab?Johnny Hates Number Theory—ICPC Live Archive
acpc-2007acpc-20072007–2008Africa & ArabAJudging Olympia—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabBHide That Number—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabCRotating Rings—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabDA Tale from the Dark Side of The Moon—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabFIncidental Points—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabGLet's Go to the Movies—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabHThe Writer's Club—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & ArabIMoving Sticks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2007acpc-20072007–2008Africa & Arab?Fermat's Chirstmas Theorem—ICPC Live Archive
acpc-2007acpc-20072007–2008Africa & Arab?Johnny Hates Math—ICPC Live Archive
acpc-2008acpc-20082008–2009Africa & ArabATobo or not Tobo—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabCMatch Maker—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabERelax! It's just a game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabFEinbahnstrasse—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabGThink I'll Buy Me a Football Team—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabHMusical Chairs—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & ArabJA Day at the Races—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2008acpc-20082008–2009Africa & Arab?Adding Sevens—ICPC Live Archive
acpc-2008acpc-20082008–2009Africa & Arab?Adding up Triangles—ICPC Live Archive
acpc-2008acpc-20082008–2009Africa & Arab?I Speak Whales—ICPC Live Archive
acpc-2009acpc-20092009–2010Africa & ArabBTiles of Tetris, NOT!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabCNot So Flat After All—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabEHop --- Don't Walk!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabFAir Strike—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabGStock Chase—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabIKind of a Blur—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & ArabJNational Treasures—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2009acpc-20092009–2010Africa & Arab?Seinfeld—ICPC Live Archive
acpc-2009acpc-20092009–2010Africa & Arab?Probability One—ICPC Live Archive
acpc-2009acpc-20092009–2010Africa & Arab?Land Division—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & ArabHJumping Beans—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2010acpc-20102010–2011Africa & Arab?What's Next?—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?Sum the Square—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?Normalized Form—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?Tri graphs—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?Sometimes, a penalty is good!—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?World of cubes—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?A Knights' Tale—ICPC Live Archive
acpc-2010acpc-20102010–2011Africa & Arab?The Cyber Traveling Salesman—ICPC Live Archive
acpc-2011acpc-20112011–2012Africa & ArabAArabic and English—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabBBetween the Mountains—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabCCircleland—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabDDice on a Board—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabEError—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabFFence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabGGo—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabHHomework—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabIIdentify the Number—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2011acpc-20112011–2012Africa & ArabJJoy of the Cylinder Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2012acpc-20122012–2013Africa & Arab?The New President—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?No Name—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Encrypted Password—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Kids Love Candies—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?The Swapping Game—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Lock Pattern—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Archery—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Connecting Islands—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Contest Hall Preparation—ICPC Live Archive
acpc-2012acpc-20122012–2013Africa & Arab?Math Homework—ICPC Live Archive
acpc-2013acpc-20132013–2014Africa & ArabAThe Alphabet Sticker—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabBSwyper Keyboard—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabCIncreasing Shortest Path—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabDCup of Cowards—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabEBalloons Colors—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabFNASSA's Robot—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabGThe Stones Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabHSuper Ants—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabIOmar Loves Candies—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabJModified LCS—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabKMario Kart—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2013acpc-20132013–2014Africa & ArabLOmar's Bug—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabAGame of Peace—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabCFeast Coins—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabDWedding Selfie—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabEConnect the Cells—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabFBike Sharing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabGSpecial Christmas Tree—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabHMessed up Pictures—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & ArabIEquivalent Passwords—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2014acpc-20142014–2015Africa & Arab?Let's Play Tawla—ICPC Live Archive
acpc-2014acpc-20142014–2015Africa & Arab?Mario and Evil Toad—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Christmas Tree—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?The Lion King—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Cultivating Mars—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Fractionstellar—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?The Minions Quiz—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Uberfication—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?DNA Evolution—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Bingo!—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Journey—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Banana—ICPC Live Archive
acpc-2015acpc-20152015–2016Africa & Arab?Road Network—ICPC Live Archive
acpc-2016acpc-20162016–2017Africa & ArabAValar Morghulis—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabBRains—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabCMan in the middle—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabDLumbo Jumbo—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabEScrambled Digits—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabFAndorra—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabGGotta Catch 'Em All—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabHMilitary Service—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabIBaklawa—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabJFootball Hooliganism—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabKPokemon Buddy—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2016acpc-20162016–2017Africa & ArabLShika Bika—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabACount the Graphs—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabBGame of Nim Everywhere—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabCFIFA World Cup—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabDCrazy LCP—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabEThis Means War—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabFThe Walking Adam—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabGDarts Game—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabHStock Exchange—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabIWinter is Here—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabJArray Queries—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2017acpc-20172017–2018Africa & ArabKDuplicate Files—Baekjoon Online Judge (wayback) closed 2026-04-28
acpc-2018acpc-20182018–2019Africa & ArabAAwesome Shawarma—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabBBaklava Tray—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabCCoffee—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabDDull Chocolates—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabEExciting Menus—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabFFlipping El-fetiera—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabGGreatest Chicken Dish—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabHHawawshi Decryption—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabIIce-cream Knapsack—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabJJourney to Jupiter—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabKKhoshaf—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
acpc-2018acpc-20182018–2019Africa & ArabLLooking for Taste—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
aec-2018aec-20182018–2019Asia EastAExotic … Ancient City—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastBMysterious … Host—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastCHeretical … Möbius—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastDDeja vu of … Go Players—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastEImmortal … Universe—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastFInterstellar … Fantasy—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastGOmnipotent … Garland—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastHSaintly … Coins—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastIMisunderstood … Missing—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastJPhilosophical … Balance—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastKDesperate … Fire Survive—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2018aec-20182018–2019Asia EastLEventual … Journey—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
aec-2019aec-20192019–2020Asia EastACity—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastBBlack and White—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastCDirichlet k -th root—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastDFire—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastEFlow—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastFGame—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastGHappiness—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastHking—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastIMoon—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastJPermutation—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastKAll Pair Maximum Flow—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastLTravel—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2019aec-20192019–2020Asia EastMvalue—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
aec-2020aec-20202020–2021Asia East?Namomo Subsequence—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Rectangle Flip 2—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Random Shuffle—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?City Brain—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Tube Master III—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Rooks—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Prof. Pang's sequence—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Prof. Pang Earning Aus—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Plants vs Zombies—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Circle—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Allin—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Square—Luogu 洛谷 (Luògǔ)
aec-2020aec-20202020–2021Asia East?Fillomino—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?DFS Order—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Beautiful String—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?String-dle Count—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Two Walls—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Prof. Pang and Poker—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Vacation—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Check Pattern is Bad—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Check Pattern is Good—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Future Coder—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Elden Ring—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Vision Test—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Fenwick Tree—Luogu 洛谷 (Luògǔ)
aec-2021aec-20212021–2022Asia East?Prof. Pang and Ants—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Coloring—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Binary String—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Best Carry Player 2—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Minimum Suffix—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Map—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Inversion—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Rectangle—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Chinese Checker—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Chase Game—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Chase Game 2—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Magic—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Aqre—Luogu 洛谷 (Luògǔ)
aec-2022aec-20222022–2023Asia East?Dining Professors—Luogu 洛谷 (Luògǔ)
alberta-2016alberta-2016North AmericaABits bits b2574d97-84b2-4080-af79-96bd516ab91d—Kattis · Kattis
alberta-2016alberta-2016North AmericaBCity Destruction city 3fcfabb6-debb-470d-b449-2581ad5d1cc3—Kattis · Kattis
alberta-2016alberta-2016North AmericaCDacey the Dice daceydice ba7f150a-da42-4d6e-a0f1-e99b1b791933—Kattis · Kattis
alberta-2016alberta-2016North AmericaDFlower Garden flowergarden 9a81204a-5dc4-4306-810e-5813699789d3—Kattis · Kattis
alberta-2016alberta-2016North AmericaEMirror Images mirror 8c89b492-c951-40f8-a544-2c67d8f94cac—Kattis · Kattis
alberta-2016alberta-2016North AmericaFModelling Problems modelling cc9e4daf-1281-48db-8448-872a8ef62d52—Kattis · Kattis
alberta-2016alberta-2016North AmericaGPalindromic Naming palindromic e657cdbc-6023-4e31-9d5f-a3719d9238ca—Kattis · Kattis
alberta-2016alberta-2016North AmericaHSoylent soylent 6ff33dc1-4612-45e7-ac59-931d8b0d534e—Kattis · Kattis
alberta-2016alberta-2016North AmericaIWood Cutting woodcutting 9440dd7c-2d1e-422a-b28b-5198899ebeec—Kattis · Kattis
alberta-2017alberta-2017North AmericaAMatchings matchings 0c7fd993-5b9a-4601-a547-cd3ae8871fa6—Kattis · Kattis
alberta-2017alberta-2017North AmericaCDivide by 100... divideby100 30d56f6a-c8b1-481e-a9b6-5f72f2333196—Kattis · Kattis
alberta-2017alberta-2017North AmericaDConcentration concentration 54ddbb2f-08be-4378-af4b-beab468b48dd—Kattis · Kattis
alberta-2017alberta-2017North AmericaETetration tetration 12dc7a21-e6c9-4743-a3d6-b3b90e7f031e—Kattis · Kattis
alberta-2017alberta-2017North AmericaFQuantum Superposition quantumsuperposition 413d6187-2256-4c7c-8f4f-a4ee10d46c95—Kattis · Kattis
alberta-2017alberta-2017North AmericaGMusical Scales musicalscales be7a2e08-3610-454d-b45c-2e17c5cd8553—Kattis · Kattis
alberta-2017alberta-2017North AmericaHLane Switching laneswitching 184d6d0d-8a35-4958-b3f5-21826ac46c18—Kattis · Kattis
alberta-2017alberta-2017North AmericaIMaximal Sequences maximalsequences d3561236-b00e-424a-8bf5-7591a0cf14db—Kattis · Kattis
alberta-2017alberta-2017North AmericaJAnthony and Diablo anthonyanddiablo b8efb850-72d1-43dc-bb62-0c4817d941dd—Kattis · Kattis
alberta-2017alberta-2017North America?Racing Off Track d8dd75fc-a989-4212-ab5c-4aae4e0347cb—
alberta-2018alberta-2018North AmericaAEarly Winter earlywinter aab1b659-2091-4cd7-bb1e-31541bf3ba02—Kattis · Kattis
alberta-2018alberta-2018North AmericaBExploding Kittens explodingkittens 33eac9d5-1f62-41e1-8d56-7ec4dc7d2c0c—Kattis · Kattis
alberta-2018alberta-2018North AmericaCArachnophobia arachnophobia 6ae23e0b-388a-4117-8960-af5c374215f0—Kattis · Kattis
alberta-2018alberta-2018North AmericaDHomework homework bb3295f3-c33e-4010-8df5-90a91cc4599b—Kattis · Kattis
alberta-2018alberta-2018North AmericaEEating Out eatingout ca1e3c0d-7c5c-4c98-84d3-4aa893d19256—Kattis · Kattis
alberta-2018alberta-2018North AmericaFPUBNite pubnite eba5252c-080c-4e7f-8510-af29ed01cd11—Kattis · Kattis
alberta-2018alberta-2018North AmericaGTrimming Convex Polygons trimmingpolygons 040a6c68-b689-4c94-b56c-09018e4cdb23—Kattis · Kattis
alberta-2018alberta-2018North AmericaHDog Trouble dogtrouble 94088548-3e56-4517-93d7-288bf18edf17—Kattis · Kattis
alberta-2020alberta-2020North America?Best Investing bestinvesting d8c19227-823a-42c7-a5e8-83762b40d608—Kattis
alberta-2020alberta-2020North America?Hired Help hiredhelp 5ed475cf-875a-459b-9909-97c670362297—Kattis
alberta-2020alberta-2020North America?Laptop Stickers laptopstickers fcedf11b-6a99-4886-af85-507300a5db52—Kattis
alberta-2020alberta-2020North America?Listen To Your Boss listentoyourboss 0482f4d0-5a9f-42c7-a171-059959e52b83—Kattis
alberta-2020alberta-2020North America?Monochromatic Minesweeper monochromaticminesweeper 800760b7-6f20-45d8-89f1-383f315b47dd—Kattis
alberta-2020alberta-2020North America?Password Rotation passwordrotation 89c7c334-99e4-464b-882e-201b2c0bda69—Kattis
alberta-2020alberta-2020North America?Path Crossings pathcrossings 559c7cf0-dffc-4b3c-a961-86dbbebf1a5c—Kattis
alberta-2020alberta-2020North America?Straights straights b5b5136e-2e5c-4d9a-a1fa-03a444f88924—Kattis
alberta-2020alberta-2020North America?Test Drive testdrive 9b5b6b4b-e618-435c-97da-71f5d4b1714f—Kattis
alberta-2020alberta-2020North America?Warring Scoring warringscoring 53b8b3da-2409-4125-bd73-b6ab0e17ad03—Kattis
alberta-2020alberta-2020North America?Wormhole Extreme!!! wormholeextreme 1e59e661-66ba-4a5e-887b-e3f8f0de8c64—Kattis
alberta-2020alberta-2020North America?Wrapping Trees wrappingtrees 4c771665-f449-4b52-aa28-2f43d3d0ceaa—Kattis
alberta-2021alberta-2021North America?Associative Exponents associativeexponents d899abfd-368d-48bd-84f8-d547630f00d6—Kattis
alberta-2021alberta-2021North America?Balls and Bins ballsandbins e46c3576-184f-4765-9837-ca255f8cd4d0—Kattis
alberta-2021alberta-2021North America?Beep Code beepcode cd567320-1ed1-48be-9353-9b580faa2cf3—Kattis
alberta-2021alberta-2021North America?Bitmask bitmask 14d1d589-9536-472e-81b6-0aade5b99812—Kattis
alberta-2021alberta-2021North America?Colour Wars colourwars cfe93bde-845b-4687-89a7-064b10c952cc—Kattis
alberta-2021alberta-2021North America?Compression compression 00924749-8de7-4113-82e2-ee6f4d161c14—Kattis
alberta-2021alberta-2021North America?Finding An A findingana 5b9849f1-3d36-4c92-a2de-a9735dbf471c—Kattis
alberta-2021alberta-2021North America?GCVWR gcvwr e811c6aa-2efe-40d8-9851-02f50f12f8f3—Kattis
alberta-2021alberta-2021North America?Ghostbusters 3 ghostbusters3 208a977a-947f-4b81-ba0a-d6d59102bf17—Kattis
alberta-2021alberta-2021North America?Menu Updates menuupdates 0e8b8637-f94d-4f78-a317-64d3c4057f9f—Kattis
alberta-2021alberta-2021North America?Simone simone 25891925-6f3b-4813-8dc1-1c235a119eff—Kattis
alberta-2021alberta-2021North America?Snakes and Masters snakesandmasters 553e0785-aedb-4544-95c2-5d54a70df443—Kattis
alberta-2021alberta-2021North America?Square Peg squarepeg 758a0c4a-4888-4a2f-bcb2-67fe8b37519d—Kattis
alberta-2021alberta-2021North America?Swapping Places swappingplaces 9d4fbcc1-aee2-43a6-bf0d-3d9424bd5d31—Kattis
alberta-2021alberta-2021North America?Wonky Pizza wonkypizza 7c3609c0-a372-4fa7-876f-04f742e1c583—Kattis
alberta-2022alberta-2022North America?Braaaains braaaains bd63c2eb-f3eb-47f8-aa32-10728674019b—Kattis
alberta-2022alberta-2022North America?City Numbers citynumbers e8c23dbd-dd95-4d3e-96ee-c2bd0c9f7346—Kattis
alberta-2022alberta-2022North America?Contingency Planning contingencyplanning 64114f2d-f528-4b36-9165-c16cdbaa2b21—Kattis
alberta-2022alberta-2022North America?Count Doubles countdoubles cc537a18-5fcb-424d-9b8a-44e70bf47f1a—Kattis
alberta-2022alberta-2022North America?Escape Routes escaperoutes 03fab737-bade-4ba1-a202-37608cf589b8—Kattis
alberta-2022alberta-2022North America?Fight to Survive fighttosurvive 07bd89e7-033c-4a4b-8e75-341351e69dbf—Kattis
alberta-2022alberta-2022North America?Long Walk longwalk 635acb5a-24b9-462a-a910-f89cd9b3a16f—Kattis
alberta-2022alberta-2022North America?Maximal Parentheticals maximalparentheticals e2a38463-6ab5-406e-b3f0-448c60f16560—Kattis
alberta-2022alberta-2022North America?Maximum Fix maximumfix 0dfe781b-b9bb-4694-b42c-888c3861ee2f—Kattis
alberta-2022alberta-2022North America?Ordinals ordinals 295f83e7-2ec2-4437-a6dc-d10a50695686—Kattis
alberta-2022alberta-2022North America?Simple Factoring simplefactoring 9f43ce45-5237-4d15-a734-af6fbcdfd742—Kattis
alberta-2022alberta-2022North America?Supply Routes supplyroutes fbdb40ec-0d0f-4714-a790-cc4828b1b716—Kattis
alberta-2022alberta-2022North America?Tricky Factoring trickyfactoring d60f3492-2fce-483b-8868-6af70c9738b4—Kattis
alberta-2022alberta-2022North America?Undead or Alive undeadoralive 9ce425cd-1549-4be1-965c-4b38f5da38ed—Kattis
alberta-2023alberta-2023North AmericaABuildin' Fences buildinfences cf39bcd4-bb15-4c51-b053-254f78098e9c—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaBBuildin' Roads buildinroads de7cbb41-0938-475b-83b3-667753f45752—Kattis · Kattis
alberta-2023alberta-2023North AmericaCCircuit Game circuitgame 2f69884d-9326-4f16-9423-0cca90a0bb29—Kattis · Kattis
alberta-2023alberta-2023North AmericaDCounting Cacti countingcacti 653b067a-88e5-40dc-aee5-9835a00a20a7—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaEDesert Strike desertstrike 5ed4f61b-e71f-4bf4-bfcd-d74d4a93144a—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaFDice Tables dicetables 35670e8e-a00d-40b3-98e8-2400b5b2706d—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaGFlying Straight flyingstraight 71b12c8c-1425-4330-a4ab-555f652110b4—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaHGunslingers gunslingers cf455a91-2d9a-4ef3-9082-8a2e43c2c2fd—Kattis · Kattis
alberta-2023alberta-2023North AmericaIHorse Snatchers horsesnatchers 6e4a4a48-87a1-4ac9-bf03-76fe5af67c2d—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaJOBD Codes obdcodes 1a65a900-179d-4004-9465-b4c1632ac74d—Kattis · Kattis · Kattis
alberta-2023alberta-2023North AmericaKOutlaw Numbers outlawnumbers 6c413dc5-094f-4540-b545-33b8145e17e2—Kattis · Kattis · Kattis
alberta-2023alberta-2023North America?High Noon Language Showdown highnoonlanguageshowdown 02c63f78-e022-4858-aeda-ad031376b6b6—Kattis · Kattis
alberta-2023alberta-2023North America?Temporal Turmoil temporalturmoil ea323ee4-b93f-4768-aa4e-fc6c5e5e75cf—Kattis · Kattis
alberta-2023alberta-2023North America?Wrangler Rating wranglerrating 75cce61e-f383-486d-a443-fc8bd07fc3dd—Kattis · Kattis
alberta-2024alberta-2024North America?A Little to the Right alittletotheright e50b968e-4915-46d9-8c85-87ac280f6988—Kattis
alberta-2024alberta-2024North America?Alpine Agility alpineagility bce12252-dabc-443a-aeba-22a9baac85d9—Kattis
alberta-2024alberta-2024North America?Four Questions fourquestions 056a99ff-170e-4fcc-abf5-4f12dadac7c5—Kattis
alberta-2024alberta-2024North America?Handheld Fan handheldfan 2ca6599c-ddc9-4a15-8d3c-79fd900b77f1—Kattis
alberta-2024alberta-2024North America?Hockey Fans hockeyfans b1438072-5898-4943-827b-bc39aaeb625e—Kattis
alberta-2024alberta-2024North America?Melting Snow meltingsnow d1fd2de7-f009-4041-a0d0-af2c084f63b5—Kattis
alberta-2024alberta-2024North America?Slippery Floor slipperyfloor e8c864e0-8c6d-4394-98d5-f9b1db76dd3e—Kattis
alberta-2024alberta-2024North America?Snowfall snowfall 65df287d-098c-4dbb-9ac2-b0dc77b7d293—Kattis
alberta-2024alberta-2024North America?Snow Way Out snowwayout bb65d65e-43bb-4786-9d02-8459c7ff39a0—Kattis
alberta-2024alberta-2024North America?Speedy Slopes speedyslopes 69b17e2f-3b4c-44e6-9a3c-0f2110325127—Kattis
alberta-2024alberta-2024North America?Topographic Isolation topographicisolation 63d19aad-be89-4ae0-834b-fadc856e5fbb—Kattis
alberta-2024alberta-2024North America?Uniform Variation uniformvariation af1a9b57-edf2-4293-afcb-4dba30235dda—Kattis
alberta-2024alberta-2024North America?Wrapping Snowballs wrappingsnowballs 02ab2ad6-e6c6-4a1e-9ae4-77d4aac51b3c—Kattis
alberta-2025alberta-2025North America?Canopy Rotation canopyrotation 533e0a2b-2f4c-440c-b921-0fc7d5c5746f—Kattis
alberta-2025alberta-2025North America?Coordinate Correction coordinatecorrection 74949e31-0380-445a-9d79-efedfb20b50f—Kattis
alberta-2025alberta-2025North America?Coordinate Validation coordinatevalidation da67f41e-8dc3-4801-a178-446c0ba90c5f—Kattis
alberta-2025alberta-2025North America?Hiking Boredom hikingboredom dcddcf0e-9ee4-41ad-8ed9-47f65d6c30d9—Kattis
alberta-2025alberta-2025North America?Inchworm inchworm 8b6c1699-e3eb-4fbd-9c63-642889da093a—Kattis
alberta-2025alberta-2025North America?Incline Estimation inclineestimation 50b5b12e-1b70-4f93-9891-eb3825467237—Kattis
alberta-2025alberta-2025North America?Packing Equipment packingequipment 40ed8e3f-5a5f-440a-9c9c-535682f4ee41—Kattis
alberta-2025alberta-2025North America?Snack Prep snackprep 765a69ff-566c-4074-810f-7452d8cafe72—Kattis
alberta-2025alberta-2025North America?Snack Split snacksplit d24dedac-773d-4ed8-95a8-01043b4c9c42—Kattis
alberta-2025alberta-2025North America?Stepping Stones steppingstones f6266e08-fc12-47dc-88a4-d5e389923ab7—Kattis
alberta-2025alberta-2025North America?Terrain Monitoring terrainmonitoring 3a6d063f-7da1-4f11-9fa7-75ce322376b9—Kattis
alberta-2025alberta-2025North America?Trail Mix Grading trailmixgrading deaf6d57-1b3e-40e8-877b-cf77d0306c99—Kattis
alberta-2025alberta-2025North America?Tree Planting treeplanting b687a2d0-27ca-4c30-9159-79848edc0378—Kattis
amritapuri-2009amritapuri-20092009–2010Asia WestBInterleaved Periodic String—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2009amritapuri-20092009–2010Asia WestFVisible Lattice—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2009amritapuri-20092009–2010Asia WestHFind The Number—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestAPlaying Field—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestBRegular Expression Edit Distance—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestCSquare-Free Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestDSoccer Teams—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestESales Prediction—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestFCookie Piles—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestGChristmas Play—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestHShopping Rush—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestIDividing Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2010amritapuri-20102010–2011Asia WestJChemicals—Baekjoon Online Judge (wayback) closed 2026-04-28
amritapuri-2012amritapuri-20122012–2013Asia West?Gandalf vs the Balrog—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Saruman of Many Colours—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Denethors Decryption of Dequeue permutations—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Entmoot—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?The Loyalty of the Orcs—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?The Glittering Caves of Aglarond—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?The Mirror of Galadriel—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Wormtongues Mind—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Dyslexic Gollum—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?Escape from the Mines—CodeChef
amritapuri-2012amritapuri-20122012–2013Asia West?The Black Riders—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Afghan Jerseys—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Road Decoration—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Dhonis Bowlers—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Matryoshka Dolls—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Kiwi Number—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Jersey Number—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Hugphile Order—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Opening Pair—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Gabba sprint—CodeChef
amritapuri-2014amritapuri-20142014–2015Asia West?Artist Rivalry—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Similar Strings—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Chota Mouse and his birthday cake—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Cat and Mouse—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Magical Matrix—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Jump on Buildings—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Circles and Squares—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?git—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?Longest Palindrome—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?COINS—CodeChef
amritapuri-2015amritapuri-20152015–2016Asia West?COPRIMES—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Tim and BSTs—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?A Historic Discussion—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Influence on Social media—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?ATM queue—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Notes and GPS Chips—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Black Money Island—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Netcoin Verification—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Hawala Arrests—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Mancunian Hoards Black Money—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Bob vs ATM—CodeChef
amritapuri-2016amritapuri-20162016–2017Asia West?Paint for Vernon—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Usain Bolt vs Tiger—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Polygon Containment—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?What is this, a crossover episode—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Coloring Intervals—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Sufficiently different string—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Rooted Tree Graph—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Counting Mobiles—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Mortgage—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Permutation Distance—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?A Complex Graph Problem—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?The Fools Who Dream—CodeChef
amritapuri-2019amritapuri-20192019–2020Asia West?Expected Candies—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?B - Fair Removals—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?C - Path Pair Maximization—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?D - Point Mirror—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?E - Preventative Measures—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?F - Red Green Game—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?G - Score Queries—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?H - Segment Elimination—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?I - Sequence Domination—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?J - Varied Subsequences—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?K - XOR Product MST—CodeChef
amritapuri-2025amritapuri-20252025–2026Asia West?L - X To Y—CodeChef
anshan-2014anshan-20142014–2015Asia EastATwelve Months—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastBChat—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastCCoprime—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastDGalaxy—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastEHatsune Miku—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastFRandom Inversion Machine—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastGMemory—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastHNAND—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastIOsu!—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastJSquare—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastKColorful Toy—HDU Online Judge (acm.hdu.edu.cn)
anshan-2014anshan-20142014–2015Asia EastLTrie—HDU Online Judge (acm.hdu.edu.cn)
apc-2024apc-20242023–2024Asia PacificAAntiparticle Antiphysics—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificBAttraction Score—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificCBit Counting Sequence—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificDBánh Bò—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificEDuplicates—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificFForming Groups—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificGPersonality Test—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificHPho Restaurant—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificISymmetric Boundary—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificJThere and Back Again—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificKTree Quiz—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificLXOR Operations—Codeforces Gym
apc-2024apc-20242023–2024Asia PacificMZig-zag—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificAControl Towers—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificBThree-Dimensional Embedding—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificCCactus Connectivity—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificDTower of Hanoi—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificEMinus Operator—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificFHold the Star—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificGCorrupted File—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificHSecret Lilies and Roses—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificISquares on Grid Lines—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificJGathering Sharks—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificKBook Sorting—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificLBoarding Queue—Codeforces Gym
apc-2025apc-20252024–2025Asia PacificMCan You Reach There?—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificACompare Suffixes—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificBSubtree Removal Game—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificCUpside Down Dijkstra—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificDChristmas Tree Un-decoration—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificEParallel Sums—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificFMinesweeper String—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificGExtra Transition—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificHReflect Sort—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificIGrowth Factor—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificJWorldwide Playlist—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificKTime Display Stickers—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificLOnion—Codeforces Gym
apc-2026apc-20262025–2026Asia PacificMDeformed Balance—Codeforces Gym
australia-2013australia-20132013–2014Asia PacificDThe Queen's English—Baekjoon Online Judge (wayback) closed 2026-04-28
australia-2013australia-20132013–2014Asia PacificEPowerbase Format—Baekjoon Online Judge (wayback) closed 2026-04-28
australia-2013australia-20132013–2014Asia PacificFJumble Match—Baekjoon Online Judge (wayback) closed 2026-04-28
australia-2013australia-20132013–2014Asia PacificGRoad Trip—Baekjoon Online Judge (wayback) closed 2026-04-28
australia-2013australia-20132013–2014Asia PacificHBaffled!—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeAASM – The Abelian Sandpile Model—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeBCell Phones—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeCEvacuation—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeDGiant Cover—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeFShepherds and Engineers—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeGSki Lifts—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2005bapc-20052005–2006EuropeHTables—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2008bapc-20082008–2009EuropeASong contest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeBMessage—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeCThe skatepark's new ramps—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeDRoad—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeEWarfare—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeFBlackjack—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeGRobintron—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2008bapc-20082008–2009EuropeHDiamond Dealer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeAPenguin Bashing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeBGearbox—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeCEscape from the Minefield—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeDBaby’s Blocks—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeEThe Pharaoh’s Curse—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2009bapc-20092009–2010EuropeFDimensional Warp Drive—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2009bapc-20092009–2010EuropeGFractal Streets—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2009bapc-20092009–2010EuropeHNo Smoking, Please—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2010bapc-20102010–2011EuropeAGene Shuffle ebf63598-f09d-43b5-ad80-a2e37ee3dea8—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2010bapc-20102010–2011EuropeBTop 2000 fc600b45-686e-48d3-9528-b00110b3047e—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2010bapc-20102010–2011EuropeCThe Twin Tower 24da06c9-2a32-4bea-a390-ed3ba0854124—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2010bapc-20102010–2011EuropeGSnooker ee507533-b21d-4f9f-9e58-785e42797b3d—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2010bapc-20102010–2011EuropeHPie Division 3a24ddce-dbdd-4441-bc8d-870d43202f28—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2010bapc-20102010–2011Europe?Clocks 3d8c2f8f-a2d2-4d70-b99e-71d2e14c2a28—
bapc-2010bapc-20102010–2011Europe?Collatz 1b49db1c-588a-4c63-b775-bf75763dac3c—
bapc-2010bapc-20102010–2011Europe?Keylogger 078ac6b9-b45c-496e-8774-694e303af27b—
bapc-2010bapc-20102010–2011Europe?Wrong Answer 0480c30f-5b1a-4582-81ab-059427a4ce66—
bapc-2011bapc-20112011–2012EuropeAPopping Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeBQuick out of the Harbour—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeCFind the Treasure—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2011bapc-20112011–2012EuropeDBad Wiring—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeEUndercover Pirate—Codeforces Gym
bapc-2011bapc-20112011–2012EuropeFUltimate Finishing Strike—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeGDoubloon Game—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2011bapc-20112011–2012EuropeHWalking the Plank—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeIParking Ships—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2011bapc-20112011–2012EuropeJTreasure Map—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeAAnother Dice Game anotherdice be5d5a22-bf51-45b8-af8c-cddc584ca9c2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeBBlack Out blackout d401e469-5c10-410d-9804-f3cf458d7fc0—Kattis
bapc-2012bapc-20122012–2013EuropeCChess Competition chesscompetition 31b4d6c5-49aa-4308-99df-cc2d79ae7db2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeDDigit Sum digitsum 4b2a90f8-820a-48af-b244-60ecfd722421—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeEEncoded Message encodedmessage 7c889e5c-8b21-46f0-be15-d84e7fa36a9f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeFFire fire2 1311b550-3761-4550-8196-b4473d473f6d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeGGood Coalition goodcoalition d4eddf73-e2a9-496a-ba2a-a4924c22225b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeHHot Dogs in Manhattan hotdogs f7955c4d-bcb2-41c9-86cd-e60c6b61f0bd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeIInteger Lists integerlists 9c558fee-0edc-4289-b469-15622f951bde—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2012bapc-20122012–2013EuropeJJohn's Book Stack johnsstack d8bbea0d-0c35-4f94-9ff1-72bc1e5cbf3b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2013bapc-20132013–2014EuropeAAdministrative Difficulties administrativeproblems 4a2d0b90-feb9-411f-90d3-fd45764a319e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeBBribe bribe b3bf3df3-ac29-4d81-97eb-48c31bb3af8c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeCCracking the Code crackingthecode b43bb253-4755-43d2-acc9-a555f860c27b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeDDestination Unknown destinationunknown b95d15bf-667a-453b-a548-7468a25dbc93—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeEEncoded Coordinates encodedcoordinates f399ae12-4abe-4b6d-b162-83b41b72c0a7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeFFlying Safely flyingsafely 0443be59-28be-4167-a885-a99828cab022—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeGGetting Through gettingthrough dfcb6646-c159-40d4-bbee-f9aca24b565b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeHHidden Camera hiddencamera f1a6a215-5b4c-40a3-beec-71e7d5cb0c74—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeIIncognito incognito 1fdf84df-e15c-47be-8f7b-eec45720a189—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2013bapc-20132013–2014EuropeJJailbreak jailbreak 0216a0b2-5fbc-4667-a781-a54f84130573—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeAAvoiding the Apocalypse avoidingtheapocalypse 400395e6-e6e6-4296-9239-39020f9a1665—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeBButton Bashing buttonbashing 35bc0cbf-8c22-47be-b62e-cb63dc294b04—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeCCitadel Construction citadelconstruction b7ccd02c-e6ec-4043-93f9-f61205e6bdb3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeDDropping Directions droppingdirections 91be10c6-cd94-4186-8cea-bb344ceee92d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeEExcellent Engineers excellentengineers e835e60a-b089-4ac9-8626-feda299c22bd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeFFloating Formation floatingformation fa29044c-897e-4d57-9063-41bfbdbb4820—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeGGrowling Gears growlinggears 76cc5449-9c62-4e30-b304-b1ef27698978—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeHHighway Hassle highwayhassle 542d86a9-2db5-4ce4-bd39-68e429222bee—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeIInteresting Integers interestingintegers 78633e66-1503-49ae-bb0a-96f0476862bb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeJJury Jeopardy juryjeopardy afc1dedc-2890-4c48-9fc3-0f4fef472a9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2014bapc-20142014–2015EuropeKKey to Knowledge keytoknowledge bf7fe0ba-3fb1-4af9-88cf-84c4845e1457—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
bapc-2015bapc-20152015–2016EuropeAFreight Train freighttrain 254b5271-4526-41ca-b0ab-c6bc04271e0b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeBPhysical Music physicalmusic 33073378-daba-4688-aad6-f688b6b4e724—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeCGodzilla godzilla a272a21d-bb98-4402-912e-b951c3c7f3ba—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeDHotels hotels 90077065-98b9-46c7-8125-fc51967ce68b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeEThe King's Walk kingswalk 7d5c5f43-417a-4a19-b9f6-169fd1cb939f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeFMap Colouring mapcolouring 86a945f3-72c3-4ec9-9b42-3fa0218d9dff—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeGMario mario 1b530ac6-6efb-45d2-97ed-a9678efb9c63—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeHMuseum museum ca2b688b-89ce-4985-bbb4-449e9ac69e42—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeISix Degrees sixdegrees 0fd4d003-3691-4109-a1a0-fa2019adabaa—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeJTour de France tourdefrance2 f0b5f974-1297-4660-9020-0d3630bddb13—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeKWipe Your Whiteboards wipeyourwhiteboards 00d34c5f-886d-4bc5-8f19-59635cc9c11a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2015bapc-20152015–2016EuropeLStand on Zanzibar zanzibar d34af1e9-df44-4f4c-972a-1c31b545b9a9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2016bapc-20162016–2017EuropeAAirport Logistics airportlogistics def2b608-6403-438f-8f82-a8b5903cbf4c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeBBattle Simulation battlesimulation ca98013c-2cf7-4e40-ac03-47c2159fd339—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeCBrexit brexit 6a622eb5-ff33-440b-96cc-81a849f0853d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeDBridge Automation bridgeautomation fc2d413c-befa-48af-b004-edad0e6e8a15—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeECharles in Charge charlesincharge 137a4f61-d6ad-43f6-b684-c2e03a8c0436—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeFEndless Turning endlessturning de3b3b82-e469-44f4-9c30-68a4aade9378—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeGManhattan Positioning System manhattanpositioningsystem 3166df0b-8273-49e4-bd6e-53b8ee527874—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeHMultiplying Digits multiplyingdigits 46fdfac6-ab77-4a3a-9d95-727852d1a2de—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeIOlder Brother olderbrother 391ec40f-6813-4c07-850e-955613bc2d27—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeJProgramming Tutors programmingtutors 56928c08-5c49-48be-94f8-7a36a011b4c7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeKSafe Racing saferacing 9c0dd881-a857-4cae-951c-1688748798b6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2016bapc-20162016–2017EuropeLSticky Situation stickysituation c76b7796-0a25-4fc4-820f-933556df9405—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeAAmsterdam Distance amsterdamdistance cbd207c1-b3e9-4729-9fcd-8d4c7d7b4127—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeBBearly Made It bearlymadeit c82bbe9b-635e-43c5-bec2-6e51efdde84f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeCCollatz Conjecture collatzconjecture 08b63c7e-ad60-4b00-83b9-197f1a7b2630—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeDDetour detour f9168f8a-9cca-4ed2-95cf-296c1f07cfd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeEEaster Eggs eastereggs 987c8612-9fca-431d-b904-7a3bb0aeb253—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeFFalling Apart fallingapart afed17a7-b4ee-4206-b21d-1b6e7b584820—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeGGoing Dutch goingdutch 55e0bed9-7c2b-4e8c-9729-d380e9e08f57—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeHHoarse Horses hoarsehorses 87ec4222-270e-4d35-98d3-45b2c1d7a4ce—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeIIrrational Division irrationaldivision ab0af7f9-aa35-4ed2-9047-2e34d2d3a633—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeJJumping Choreography jumpingchoreography a5d222e8-ae85-4e3d-b62f-4822e66abb3a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeKKing of the Waves kingofthewaves 29e7385b-9321-4266-887e-8931870205e6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeLLemonade Trade lemonadetrade bdfccce4-8e71-4e57-91a9-6fb07824306e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2017bapc-20172017–2018EuropeMManhattan Mornings manhattanmornings e0aa482f-16e5-4ec2-8e2b-62a3716e3f9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeAA Prize No One Can Win aprizenoonecanwin c869817c-28c9-4f74-a9ee-99b084f39d1d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeBBirthday Boy birthdayboy b4c968ca-90e1-4229-b1e0-f429c1497c4f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeCCardboard Container cardboardcontainer a2b4ffed-6207-4246-9b75-ebdfb8fae22e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeDDriver Disagreement driverdisagreement 0f00c42d-d6ea-4e59-8126-40411d0a98ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeEEntirely Unsorted Sequences entirelyunsortedsequences c77307d1-3aa9-43ed-bcbc-fb3f4bc6b3de—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeFFinancial Planning financialplanning cce1ffc8-6a68-41f6-a488-34340dac3981—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeGGame Night gamenight b6e2a382-cb93-4f84-84d3-343e64bec21e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeHHarry the Hamster hamster 5f1bb45d-7523-4676-954a-c84d5fb50048—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeIIn Case of an Invasion, Please... incaseofinvasion 9292bb04-418d-4a96-8107-b8f1a5d0c126—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeJJanitor Troubles janitortroubles e863aa22-6ff0-49e3-bd7f-669edaf2520b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2018bapc-20182018–2019EuropeKKingpin Escape kingpinescape 6f2fee33-9a89-457f-bc21-963e6a0dcbb6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2019bapc-20192019–2020EuropeAAppeal to the Audience appealtotheaudience 5c1d05af-1c1e-498d-9ca5-e2ca5a3cbe46—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeBBreaking Branches breakingbranches c310e35d-3a27-4074-a2a5-0cd28cecab32—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeCConveyor Belts conveyorbelts2 b4f0fff5-0941-49be-beee-c07d92a816cf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeDDeck Randomisation deckrandomisation c2297bae-8b62-44ae-8c4c-8c49a70810b7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeEEfficient Exchange efficientexchange a5905844-75e4-4ffa-a9e0-46751f822baf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeFFind my Family findmyfamily c1e72d67-33b4-4389-8fc6-4948d3d0a16f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeGGluttonous Goop gluttonousgoop f304e091-86cf-4c5d-816f-3ab166198688—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeHHistoric Exhibition historicexhibition 80d2f446-3b3c-49fb-a917-63ababd0e1ef—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeIInquiry II inquiryii cb393e67-d67c-4277-9383-a1a99315cce0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeJJazz it Up! jazzitup 8c2abb41-abfc-46ed-ba10-3e2a9034a95b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeKKeep Him Inside keephiminside 6bbebb9f-acfc-4c40-b3e7-116e16e67dd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2019bapc-20192019–2020EuropeLLucky Draw luckydraw fbed8b59-67da-4ecc-b7ae-31a13807a7e4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2020bapc-20202020–2021EuropeAAquarium Arrangement aquariumarrangement 7a94e1e4-6fd6-4d29-9173-cee544f745f8StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Aquarium in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeBBalanced Breakdown balancedbreakdown c84d5ce2-fa4e-4a8a-8eb8-c0b6be86b274StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Bidirectional Code in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeCCorrupted Contest corruptedcontest bf670b9f-b545-4798-8302-9f42a2e6e045StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Corrupt Judge in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeDDestabilized DroneStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28package: not held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeEEfficiently Elevated efficientlyelevated 095a37a4-aab5-44b5-8fe8-54bebe57a2ecStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Elevator Pitch in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeFFamily Fares familyfares 690d0609-5d5c-440f-899d-e95ceee173e4StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Family Fares in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeGGenerator Grid generatorgrid 08bd7af4-0bfd-443c-a76d-c4bdcaab68cdStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Generators in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeHHungry Henk hungryhenk ee44150c-6358-441a-a25a-53c0b11a84a2StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Haughty Cuisine in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeIIncomplete Implementation incompleteimplementation 5c2e77ce-4750-4a74-977e-0b0d1b6f015bStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Incomplete Sort in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeJJigsaw jigsaw a4c73cd6-a333-4585-9f30-22d828901af2StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Jigsaw in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2020bapc-20202020–2021EuropeKXortest Path kleptocrat 04309ae6-70a2-4af4-a852-3fded3e1fa9bStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28essentially same as Kleptocrat in ukiepc-2020; package: held — inferred, the sheet only gives the count (10/11)
bapc-2021bapc-20212021–2022EuropeAArm Coordination armcoordination 16fed885-059c-4a26-9ce0-a38a097b28d0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeBBnPC bnpc ab5d8326-c9cd-499d-ac45-d4ff8069b4fa—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeCCangaroo cangaroo e8f91940-e48d-44a0-a0b7-c2b0eb03c210—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeDDecelerating Jump deceleratingjump 3206c2aa-17fd-47ae-a66a-8a40acd338af—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeEEvolutionary Excerpt evolutionaryexcerpt 593b14b4-1c65-4fa6-abf3-43783ae99a85—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeFFair Play fairplay 3aed26d4-5011-4473-b762-e3c4b25a8d83—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeGGyrating Glyphs gyratingglyphs 7a0787f1-9fd3-470f-9154-78ddfac24119—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeHHamiltooonian Hike hamiltooonianhike a06d0698-cc08-4874-b070-fc50eedc2e28—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeIImplementation Irregularities implementationirregularities 512a30f2-67ef-4867-9112-b3796e725f42—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeJJail or Joyride jailorjoyride 1c686c28-4247-4172-ba6f-d137f752a62a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeKKinking Cables kinkingcables 9915cce8-c317-4040-a996-4959cff3b868—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2021bapc-20212021–2022EuropeLLopsided Lineup lopsidedlineup c9cda3f8-8c43-4cf8-aa07-1011bbd0aa65—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-2022bapc-20222022–2023EuropeAAdjusted Average adjustedaverage 8ee7605a-be70-8ce4-1d82-6abebef5c319—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeBBellevue bellevue 8ee7605a-a7a6-82f0-337d-5555b9279960—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeCCrashing Competition Computer crashingcompetitioncomputer 8ee7605a-fb1a-8632-3bae-e399e99a4786—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeDDividing DNA dividingdna 8ee7605a-c469-8ea4-2f46-f87aab168057—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeEEqualising Audio equalisingaudio 8ee7605a-4f89-844d-209a-d76ace1bf89e—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeFFailing Flagship failingflagship 8ee7605a-a49f-851c-1030-14b99bc28137—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeGGrinding Gravel grindinggravel 8ee7605a-2e14-8b4c-2a61-a907f6937e1d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeHHouse Numbering housenumbering 8ee7605a-0d18-87ae-3669-6bc355d437b7—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeIImperfect Imperial Units imperfectimperialunits 8ee7605a-f9b0-85ee-0a8a-4c06adbd7472—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeJJagged Skyline jaggedskyline 8ee7605a-78d6-83e2-164f-beaa9b78f07d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeKKiosk Construction kioskconstruction 8ee7605a-d064-81f2-1d48-6616fbad1468—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2022bapc-20222022–2023EuropeLLowest Latency 8ee7605a-df73-82c7-16ae-4158a2b14678—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeAapt upgrade aptupgrade 8ee7605a-03b9-81ba-29ff-5ace1616746b—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeBBattle Bots battlebots 8ee7605a-24b1-8f3b-2549-9fc7279c1e2e—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeCCompressing Commands compressingcommands 8ee7605a-6a3d-8eb6-274c-34eb81ec0dd3—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeDDemocratic Naming democraticnaming 8ee7605a-7692-841b-1a2e-bddfdc093c6d—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeEExam Study Planning examstudyplanning 8ee7605a-239c-8e5b-3a5e-42f3a2495bfa—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeFFunicular Frenzy funicularfrenzy 8ee7605a-86e8-83cc-30fc-3c5d85efab35—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeGGeometry Game geometrygame 8ee7605a-ded9-8e8b-1044-5adc8914a0b2—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeHHidden Art hiddenart 8ee7605a-bb94-88c2-1b27-782ef51fe0c9—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeIInternational Irregularities internationalirregularities 8ee7605a-ac7c-8609-2435-b4ad58d4b619—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeJJungle Job junglejob 8ee7605a-423e-8c01-1e4d-ad9dd941cd58—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeKKing of the Hill kingofthehill 8ee7605a-f0a9-885a-335d-8bf4b0ca6490—Kattis · Codeforces Gym
bapc-2023bapc-20232023–2024EuropeLLocking Doors lockingdoors 8ee7605a-20bf-85b9-3d2c-c92f41993794—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeA“Aaawww...” or “Aaayyy!!!” aaawwworaaayyy 8ee7605a-dcd2-8136-3f03-3e9fd43b2cb4—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeBBuggy Blinkers buggyblinkers 8ee7605a-0bd4-83b9-0b7a-f2fe89ae1ad2—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeCConcurrent Contests concurrentcontests 8ee7605a-3bae-8752-2bd0-fb54c6140ae2—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeDDisgruntled Diner disgruntleddiner 8ee7605a-bf6c-8849-394c-18b0b7d39c71—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeEExtraterrestrial Exploration extraterrestrialexploration 8ee7605a-9dd5-8e39-154a-117fbd98b82f—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeFFailing Factory failingfactory 8ee7605a-ccca-886d-3433-48fd5886c409—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeGGrocery Greed grocerygreed 8ee7605a-fb1a-8b05-0e22-d1d6dcdc95d0—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeHHorse Habitat horsehabitat 8ee7605a-1272-8a95-02ef-953d8ff3e21c—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeIInterrail Pass interrailpass 8ee7605a-5203-89b2-1531-cd8bd0dcbef1—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeJJumbled Scoreboards jumbledscoreboards 8ee7605a-24a4-816f-3a62-e652c75966e0—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeKKaraoke Compression karaokecompression 8ee7605a-2c20-8e43-2376-f4a10faa65a2—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeLLevelling Locks levellinglocks 8ee7605a-b249-83bb-1034-2f641c75c499—Kattis · Codeforces Gym
bapc-2024bapc-20242024–2025EuropeMMuseum Visit museumvisit 8ee7605a-63ff-8ea7-0c25-f2337871d63b—Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeAAccidental Arithmetic accidentalarithmetic 8ee7605a-534d-81d8-1ecc-2d3442537090—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeBBoggle Sort bogglesort 8ee7605a-a61d-8121-0133-22cb2f86cff4—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeCCoherency coherency 8ee7605a-789d-831b-0c63-11f3bc15d25c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeDDuo Detection duodetection 8ee7605a-be50-8d77-0b79-15c0dc632c6d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeEExcruciating Elevators excruciatingelevators 8ee7605a-aafb-86fd-04d5-c93d58ac792a—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeFFaulty Connection 8ee7605a-3eb0-8674-210e-d7847e78691d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeGGarbage In, Garbage Out 8ee7605a-3125-8e7a-0771-447eb3ae4291—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeHHomesick homesick 8ee7605a-84ab-8f26-1723-0f0a674542c0—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeIIntermill Logistics intermilllogistics 8ee7605a-558e-8d2b-00c4-33154456d692—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeJJacobi Numbers jacobinumbers 8ee7605a-56ad-8770-0f4f-45295add6d08—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeKKnowing the Clock knowingtheclock 8ee7605a-ad31-8ffe-176d-154414e4884c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-2025bapc-20252025–2026EuropeLLinguistic Labyrinth linguisticlabyrinth 8ee7605a-c95e-8508-0b45-0956fa70df0e—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
bapc-prelims-2010bapc-prelims-20102010–2011EuropeAEvolution—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeBHave a Nice Day—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeDEqual Is Not Really Equal—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeFStock Market—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeGAcrobat Reader—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeHFarmer John—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeIImagine—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2010bapc-prelims-20102010–2011EuropeJMy Cousin Obama—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeAStifling the Mutiny—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeBRNG—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeCAttack of the Giant n-pus—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeDPolly Wants a Cracker—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeERolling Dice—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeFDividing the Loot—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeGSecret Island Base—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeHStealth Ninja—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeIIn and Out—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2011bapc-prelims-20112011–2012EuropeJShuriken Game—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2012bapc-prelims-20122012–2013EuropeAAnnoying Mosquitos—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2012bapc-prelims-20122012–2013EuropeHHex—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2012bapc-prelims-20122012–2013EuropeIIslands—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2012bapc-prelims-20122012–2013EuropeJJumbled Letters—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2013bapc-prelims-20132013–2014EuropeDDreaded Alternating Game—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2013bapc-prelims-20132013–2014EuropeIMI6—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeAChoosing Ice Cream—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeCFloor Painting—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeDLift Problems—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeEPawns—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeFRunway Planning—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeGSpy Network—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeHTalent Selection—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeITrain Station Tunnel—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2014bapc-prelims-20142014–2015EuropeJWord Search—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeACheating Knight—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeBChess Tournament—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeCColby’s Costly Collectibles—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeDGa—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeEIcelandic Motorclubs—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeFManhattan Power Failure—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeHRisk—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeIRummikub—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeJSong Titles—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2015bapc-prelims-20152015–2016EuropeKTanks—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeABlock Game blockgame2 3a721c78-2575-423e-95ae-cc2365d02d3b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeBChess Tournament chesstournament 8ccfe58a-b375-43be-bced-fd40154a9850—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeCCompleting the Square completingthesquare cd87dfdd-d4b7-4a0f-9640-621e09179db0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeDHamming Ellipses hammingellipses 81adbb23-cc4d-463b-abd2-3fc57792f20c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeELost In The Woods lostinthewoods 41e6e166-7e7e-4c4a-9f6f-61a92e247dd0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeFMemory Match memorymatch f295f522-415e-47a1-868a-5363a38a6714—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeGMillionaire Madness millionairemadness fee99f2f-098e-4db5-97c7-c09eb3a7419a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeHPresidential Elections presidentialelections ce0d8961-c218-419f-8925-93fee1d43be7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeIRock Band rockband 3a84f8bb-c34c-43b8-be95-308f1709c7da—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeJTarget Practice targetpractice ff5558e7-a5bf-45ef-b167-b423d5613fa3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2016bapc-prelims-20162016–2017EuropeKTranslators' Dinner translatorsdinner 3c99d1b4-95e0-45c5-8728-1da06539b869—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeAAbandoned Animal abandonedanimal 9de873eb-95f3-4f95-b10e-386f0cc7b5f4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeBBooming Business boomingbusiness d8f17ada-fd3e-4ae4-9883-9aaff6505abc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeCCrowd Control crowdcontrol a6d76e0d-2774-4b1d-93a5-f1ee0d4084e6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeDDisastrous Doubling disastrousdoubling 13933ed7-7ea8-4ddc-9029-e7aeb906057b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeEEnvious Exponents enviousexponents f46ea6fe-ed6c-448d-a33e-a2e4ff624a91—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeFFlatland Fidget Spinner fidgetspinner 4d24a397-e787-4cf5-8fdf-428d70c2f50c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeGGhostbusters ghostbusters2 9420f24f-7e11-4e61-93eb-31b073510fb9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeHHorror Film Night horrorfilmnight cd6adcfa-171f-47b7-9514-9c1aec05502f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeIIntelligence Infection intelligenceinfection 5e2e3e7d-60af-47dd-baed-e374cb761c1b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeJJournal Editing journalediting 4bda21e3-03ef-48f4-9b62-698215d89921—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeKKnight's Marathon knightsmarathon ca5f4291-e024-4ad0-9f97-78669914bd3e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2017bapc-prelims-20172017–2018EuropeLLeapfrog leapfrog d3233457-4a88-4c7b-a68f-d5b467d073d8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeAAppalling Architecture appallingarchitecture 5a93632c-ca25-4f11-80d9-40c31f307fd7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeBBee Problem beeproblem 5b4f3ea1-a4d8-4870-9b77-090b7b5b3c9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeCCriss-Cross Cables crisscrosscables 79f61450-8a30-4b43-bf41-be51d380e058—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeDDaily Division dailydivision 872ececf-188e-43d4-8ccc-76ed4f01c9b2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeEEating Everything Efficiently eatingeverything 7dc0d2e4-b601-41da-bee1-4630ffb00f45—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeFFloating Points floatingpoints 25e187f5-cef0-4e72-9de3-e6c37772abfe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeGGreen Light greenlight 7227adaf-d87d-469d-aee9-e6d68f2b7dec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeHH to O htoo b886ebd9-3167-4c21-a23f-bac7a70f9f15—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeIIsomorphic Inversion isomorphicinversion 5c75d87c-ddc2-4ab6-bd28-2cbca3e21ac0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeJJurassic Jigsaw jurassicjigsaw d22f9edd-7b9c-4c3e-b9da-694ce9efc89f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2018bapc-prelims-20182018–2019EuropeKKALLAX Construction kallaxconstruction 72d04eb9-d6f5-44e7-a89d-35e3c4678f07—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeAArchitecture architecture 94477bf7-2a8f-45ec-a884-c933a2f4ce8e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeBBracket Sequence bracketsequence 7ae5cd4b-5652-4334-a8cb-055c2adedf68—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeCCanyon Crossing canyoncrossing 5582046c-de2d-459d-9067-fd3b8e0fde03—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeDDeceptive Dice deceptivedice b595a404-0b17-45a0-a8b5-8e980b153371—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeEExits in Excess exitsinexcess 0c68748e-fd4a-4845-8f33-6b56f232258b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeFFloor Plan floorplan 46f519e4-4b2f-4952-a235-8a348cb457f6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeGGreetings! greetings2 0e3d5321-2692-4681-a705-7aa9a92d2088—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeHHexagonal Rooks hexagonalrooks 96d3a5c0-1740-49b6-9e4a-7ad4b41dad44—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeIInquiry I inquiryi 511f0029-c3d2-42ca-922a-fb0da6ae277e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeJJumbled Journey jumbledjourney 035b9444-7887-4abb-94fe-364bfeef1374—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeKKnapsack Packing knapsackpacking 372bb68e-c979-4865-bc4e-ed0a99976cf4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2019bapc-prelims-20192019–2020EuropeLLifeguards lifeguards 8f92723f-639d-4dc5-9ae6-96492989403d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2020bapc-prelims-20202020–2021EuropeAAdversarial Memory adversarialmemory 8ee7605a-8cfe-8144-0703-1c83b1db2ab3StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeBBinary Seating binaryseating 8ee7605a-9b29-8cad-121f-f5fdb993e07fStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeCCutting Corners cuttingcorners2 8ee7605a-a6ca-81d5-30e4-6edffc99b636StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeDDucky Debugging duckydebugging 8ee7605a-d6aa-8776-179a-f2ab0c5901afStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeEEightgon eightgon 8ee7605a-3861-8d3a-2734-3c4a33cc06f6StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeFFigure Skating figureskating 8ee7605a-c90b-89a2-2095-cc04b723946fStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeGGroup Project groupproject 8ee7605a-b0f9-8e9d-2b25-75d18616121bStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeHHuman Pyramid 8ee7605a-54f7-8ab6-333d-50cda73561d1StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2020bapc-prelims-20202020–2021EuropeIIn-place Sorting inplacesorting 8ee7605a-fb47-882e-113d-3cd63ab7cf01StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeJJam-packed jampacked 8ee7605a-7e32-8dff-0e54-4786a621b74fStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2020bapc-prelims-20202020–2021EuropeKKangaroo Commotion kangaroocommotion 8ee7605a-c9c2-8328-2901-aac86815249cStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2021bapc-prelims-20212021–2022EuropeAAlmost Always almostalways 8ee7605a-67d2-8a4c-1566-8ae6023545d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeBBuffered Buffet bufferedbuffet 8ee7605a-1fed-8d25-1058-b17d869f9fa1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeCCandy Contribution candycontribution 8ee7605a-092f-876f-0f51-1f9535c92bcf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeDDickensian Dictionary dickensiandictionary 8ee7605a-452d-8d5b-2e60-612d3ef476b0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeEEntering Enemy Encampment enteringenemyencampment 8ee7605a-8b54-85be-1b1d-510f21295c4f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeFFridge Distraction fridgedistraction 8ee7605a-149b-88b1-2ced-b8a67b7305d0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeGGit mv gitmv 8ee7605a-78e6-8f9d-2e37-bb209e591aef—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeHHistogram histogram 8ee7605a-0c9e-8adf-37db-3aa0f6127744—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeIIce Growth icegrowth 8ee7605a-9d4a-8aad-1601-c48e4725bf32—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeJJack the Mole jackthemole 8ee7605a-7b07-886a-3ed2-04773f4188e2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2021bapc-prelims-20212021–2022EuropeKKudzu Kniving kudzukniving 8ee7605a-b160-8c9b-0bf8-14850bb28c96—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeAAbbreviated Aliases abbreviatedaliases 8ee7605a-d44c-871a-1684-19f2a34c10ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeBBubble-bubble Sort bubblebubblesort 8ee7605a-9f33-857e-350b-5c04aabc963c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeCCookbook Composition cookbookcomposition 8ee7605a-f098-8455-26e3-92a07d181b1f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeDDimensional Debugging dimensionaldebugging 8ee7605a-9756-8bb0-3a47-3c6c6211053f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeEExtended Braille extendedbraille 8ee7605a-b873-8ec6-3c3e-01e334fc8225—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeFFastestest Function fastestestfunction 8ee7605a-a580-8955-3881-f071b8db0193—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeGGuessing Primes guessingprimes 8ee7605a-ae14-8dac-3488-675a5ebcd8de—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeHHeavy Hauling heavyhauling 8ee7605a-41f5-882a-376d-4f2d8524c996—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeIInked Inscriptions inkedinscriptions 8ee7605a-cdae-8e93-0e65-1908e1b3ced1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeJJabbing Jets jabbingjets 8ee7605a-6246-8e0e-0f13-42c376a079a8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeKKnitting Patterns knittingpatterns 8ee7605a-4f37-85c0-139e-88cb911a7434—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2022bapc-prelims-20222022–2023EuropeLLots of Liquid lotsofliquid 8ee7605a-f307-8645-2954-729e264aae01—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeAAnti-Tetris antitetris 8ee7605a-37cf-85b5-0845-27e5ac908b62—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeBBetter Dice betterdice 8ee7605a-6eea-8ba9-110b-f9ff01ef4621—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeCCheap Flying cheapflying 8ee7605a-75d0-8c50-38f1-f6859b4705a8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeDDetermining Duos determiningduos 8ee7605a-ffa0-8d27-0096-b9bcefc764cf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeEExceeding Limits exceedinglimits 8ee7605a-3f07-8bb9-1e3f-258baea948f6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeFFinding Forks findingforks 8ee7605a-8a02-8fef-1522-bc7d8d226031—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeGGathering Search Results gatheringsearchresults 8ee7605a-530a-8d3a-0652-cf2b840d5a84—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeHHacky Ordering hackyordering 8ee7605a-d6b9-84b9-132f-dd37ce14d82b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeIIdle Terminal idleterminal 8ee7605a-21c5-871d-18c8-643dd4a3f50c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeJJust a Joystick justajoystick 8ee7605a-6738-8e14-3b1e-3ec792db5208—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeKKing's Keep kingskeep 8ee7605a-9872-850c-14b5-0a8178ebdfed—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeLLosing Leaves losingleaves 8ee7605a-979a-891f-2cb6-4b8de5eeefa0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2023bapc-prelims-20232023–2024EuropeMMonorail monorail 8ee7605a-1952-889c-148e-170748193a56—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2024bapc-prelims-20242024–2025EuropeAAwkward Auction awkwardauction 8ee7605a-2338-8352-19ff-f9c3b8aa2cf7—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeBBattle of Nieuwpoort battleofnieuwpoort 8ee7605a-93c2-8b57-2a9a-e0b29a491b9b—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeCChaotic Cables chaoticcables 8ee7605a-144d-89a0-3e11-6a4845ee31e7—Kattis
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bapc-prelims-2024bapc-prelims-20242024–2025EuropeEExpected Error expectederror 8ee7605a-024b-8f09-35f6-307ed786ed28—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeFFractal Area fractalarea2 8ee7605a-c09e-86d4-1fc9-51b112430e36—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeGGiganotosaurus Game giganotosaurusgame 8ee7605a-bda6-8bf1-102c-035b29e34f18—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeHHuman Pyramid humanpyramid 8ee7605a-a83d-885e-14f8-d3f7bb67e723—Kattis
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bapc-prelims-2024bapc-prelims-20242024–2025EuropeJJoppiesaus Jailbreak joppiesausjailbreak 8ee7605a-75a9-863e-2f7b-65c28aa3e601—Kattis
bapc-prelims-2024bapc-prelims-20242024–2025EuropeKKitchens of Königsberg 8ee7605a-b9dc-8775-17d3-7c442fc928a9—
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bapc-prelims-2025bapc-prelims-20252025–2026EuropeAAlto Adaptation altoadaptation 8ee7605a-b24a-86c8-19ef-22ac6bd3cd12—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeBBottle of New Port bottleofnewport 8ee7605a-2eff-8163-032f-35f8a478e807—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeCCalculation Obfuscation calculationobfuscation 8ee7605a-7246-8290-3e51-13938038fe22—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeDDralinpome dralinpome 8ee7605a-bdbe-8fc9-3a50-5d5562e8138b—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeEEntropy Evasion entropyevasion 8ee7605a-cc2b-8b74-22a5-2d70290098b1—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeFFriendly Formation 8ee7605a-89e0-8644-1acc-8995df3da8b0—Baekjoon Online Judge (wayback) closed 2026-04-28
bapc-prelims-2025bapc-prelims-20252025–2026EuropeGGenealogy Gumbo genealogygumbo 8ee7605a-cc18-8dbd-3609-d08ebd4563bd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeHHidden Sequence hiddensequence 8ee7605a-c1c7-8c1b-19bc-cb38c21ce8ec—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeIIngredient Intervals ingredientintervals 8ee7605a-259e-897a-168c-7ad7af4a366c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeJJournal Publication journalpublication 8ee7605a-ad3b-819d-0cb3-1eca4ed90faa—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeKKoehandel koehandel 8ee7605a-7ed6-8936-2478-c1de4769e039—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
bapc-prelims-2025bapc-prelims-20252025–2026EuropeLLandgrave landgrave 8ee7605a-a41c-8192-2763-eea4ad9e33be—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
beijing-2002beijing-20022002–2003Asia EastAChocolate—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastBGame Prediction—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastCHoledox Moving—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastDMachine Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastEMileage Bank—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastFMoving Object Recognition—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastGRadar Installation—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2002beijing-20022002–2003Asia EastHRandom Walk—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2004beijing-20042004–2005Asia EastCArgus—Baekjoon Online Judge (wayback) closed 2026-04-28
beijing-2014beijing-20142014–2015Asia EastAA Curious Matt—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastBBlack And White—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastCCollision—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastDDire Wolf—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastEEverlasting L—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastFFluorescent—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastGGRE Words Once More!—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastHHappy Matt Friends—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastIIntersection—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastJJust A Mistake—HDU Online Judge (acm.hdu.edu.cn)
beijing-2014beijing-20142014–2015Asia EastKK.Bro Sorting—HDU Online Judge (acm.hdu.edu.cn)
benin-2016benin-20162016–2017Africa & ArabALinear Equation—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabBVote—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabCSquare—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabDPrison Break—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabEX X glued—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabFThe fastest road to banikoara—Baekjoon Online Judge (wayback) closed 2026-04-28
benin-2016benin-20162016–2017Africa & ArabGThe Triangle Game—Baekjoon Online Judge (wayback) closed 2026-04-28
bergen-2018 non-mainlinebergen-2018non-mainlineAAwkward Party awkwardparty d1491d58-abf6-4f47-837f-140cfad59aac—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineBBackpack Buddies backpackbuddies 5848fbe2-4772-4d7d-9e6c-6f442baf6428—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineCCounting Clauses countingclauses 32a7fc09-ef97-4665-a077-741c110b9630—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineDDice and Ladders diceandladders ef6c7828-18c6-435b-b626-1a6dc0911561—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineEExpecting Rain expectingrain 938beed0-0ff5-436e-bfdf-9883c7a9475b—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineFFishmongers fishmongers 4e0c1e04-7adf-49ff-bf16-21e3fb37c3d6—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineGGameworld Tornado gameworld 372f80a1-8b1e-48ee-8780-964bd75723f3—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineHHidden Words hiddenwords f0924e82-7849-4ff0-bd17-f0a7ff976f1e—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineIISP Merger ispmerger 00f32ef6-7755-42db-9f30-f82ff9f330c3—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineJJoint Attack jointattack 01730d46-62f5-430f-95ef-728ad4fa40e7—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineKKeyboards in Concert keyboardconcert 80c7cb53-eab0-4466-81f1-40966e8ee1e4—Kattis
bergen-2018 non-mainlinebergen-2018non-mainlineLLicense to Launch licensetolaunch 2b0b8e51-845c-462c-a0b8-2cfc675fb407—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineAAlehouse alehouse 36ecd2c5-7dc3-4d87-8d5f-56da11d35744—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineBBus Ticket busticket be6b9878-f8b0-4a73-aa7b-0062662b1fdb—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineCClimbing Stairs climbingstairs adef963e-2246-4c44-b135-a11e391fe8c7—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineDDrive Safely drivesafely f7d3fe65-6923-4e7c-8ff8-eef724e53c81—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineEEquilibrium equilibrium2 503064bc-7ae4-4a05-a4b0-6d4df4218cf5—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineFFence Bowling fencebowling ca21a221-4483-49f0-a973-b7c8a6d47d38—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineGGreat GDP greatgdp d8c47d35-ac55-4ace-94bb-74ada6242932—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineHHowl howl 1af4fdb3-c811-4e87-8de3-678359a99faa—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineIIce Cream icecream2 3455fd61-69ce-4120-8b08-6178432b5c26—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineJJane Eyre janeeyre 590e9780-91cf-43fd-ad57-6b9d78525018—Kattis
bergen-2019 non-mainlinebergen-2019non-mainlineKKilling Chaos killingchaos 367bab57-8905-4a38-a15f-c84decce0bfd—Kattis
brazil-2005brazil-20052005–2006Latin AmericaAJogo do Bicho—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaBCurso Universitário—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaCRedução de Pena—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaDCubos Coloridos—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaEGerente de Espaço—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaFTecle & Some—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaGRegata de Cientistas—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2005brazil-20052005–2006Latin AmericaHPiscina—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaACircuito Bioquímico Digital—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaBO Problema da Parada—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaCPaíses em Guerra—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaDEnergia × Tempo—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaEMegaDamas—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaFCopa do Mundo—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaGRota Crítica—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2006brazil-20062006–2007Latin AmericaHAmigos ou Inimigos?—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaAVôlei Marciano—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaBRouba-Monte—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaCSérie de Tubos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaDMário—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaEHistórico de Comandos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaFDesempilhando Caixas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaGOnde Estão as Bolhas?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaHJogo de Varetas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaIZak Galou—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2007brazil-20072007–2008Latin AmericaJOlimpíadas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaAApagando e Ganhando—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaBBabel—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaCO Salão do Clube—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaDDama—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaEBolhas e Baldes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaFLoop Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaGSet—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaHDivisão da Nlogõnia—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaIMaior Subseqüência Crescente—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2008brazil-20082008–2009Latin AmericaJVampiros—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaAAtaque Fulminante—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaBAlarme Despertador—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaCTroca de Cartas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaDSub-prime—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaEDragster—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaFTorres de Telefonia Celular—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaGRegistrador de Deslocamento—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaHEscultura a Laser—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaIIsosceles Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaJJingle Composing—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2009brazil-20092009–2010Latin AmericaKKlingon Levels—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaARevisão de Contrato—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaBRobô Colecionador—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaCLivro-caixa—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaDDesvio de Rota—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaEElevador—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaFFórmula 1—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaGGuerra nas estrelas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaHPlágio Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaIIr e Vir—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaJLeitura Ótica—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2010brazil-20102010–2011Latin AmericaKJogo da Velha—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2011brazil-20112011–2012Latin AmericaAÁcido Ribonucléico Alienígena—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaBBotas perdidas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaCCampeonato de SMS—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaDDesvio de rua—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaEEstacionamento—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaFFoco—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaGGuarda Costeira—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaHHomem, Elefante e Rato—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaIIncidente em Atlântida—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaJJupiter Attacks!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaKKing’s Poker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaLGates—Codeforces Gym
brazil-2011brazil-20112011–2012Latin AmericaMGame—Codeforces Gym
brazil-2012brazil-20122012–2013Latin AmericaAConcurso de Contos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaBTobogan de bolinhas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaCCartões—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaDCoral Perfeito—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaEElevador Espacial—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaFPerdido na Noite—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaGGrid de Largada—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaHCombate ao câncer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaIIntegral—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaJPalavras—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaKCiclo de Rubik—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2012brazil-20122012–2013Latin AmericaLEstrela—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaAZero or One—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaBBlogger language—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaCBoss—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaDDisjoint water supply—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaEDangerous Dive—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaFFootball—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaGGo up the Ultras—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaHHide and seek—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaIInverting Huffman—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2013brazil-20132013–2014Latin AmericaJJoin two kingdoms—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaAVolta—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaBBaralho Embaralhado—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaCConfederaćão—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaDDona Minhoca—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaEEcologia—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaFTeletransporte—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaGLetras—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaHHandebol—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaIRSA—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaJCorte—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2014brazil-20142014–2015Latin AmericaKPizza do Vô Pepe—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaAAt most twice—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaBBlood groups—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaCCake cut—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaDD as in Daedalus—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaEExposing corruption—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaFFence the vegetables fail—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaGGalactic taxes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaHHeight map—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaIIdentifying tea—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaJJust a bit sorted—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaKKeep it energized—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaLLoteria—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2015brazil-20152015–2016Latin AmericaPCompetition—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaAAndando no tempo—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaBBatata quente—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaCContainers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaDDivisores—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaEEstatística hexa—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaFFundindo árvores—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaGGo--—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaHhuaauhahhuahau—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaIIsósceles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaJJogos olímpicos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaKKit de encolhimento de polígonos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2016brazil-20162016–2017Latin AmericaLLadrilhos—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2017brazil-20172017–2018Latin AmericaAAcordes intergaláticos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaBBrincadeira—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaCCigarras periódicas—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaDDespojados—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaEEscala musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaFFase—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaGGinástica—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaHHipercampo—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaIImposto Real—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaJJogo de Boca—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaKK-ésimo—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaLLaboratório de biotecnologia—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2017brazil-20172017–2018Latin AmericaMMáquina de café—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2018brazil-20182018–2019Latin AmericaAAventurando-se no Slackline—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaBBolinhas de Gude—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaCCortador de Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaDDesvendando Monty Hall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaEEnigma—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaFFestival—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaGGasolina—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaHHipótese Policial—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaIInterruptores—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaJJuntando Capitais—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaKKepler—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaLLinhas de Metrô—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2018brazil-20182018–2019Latin AmericaMModificando SAT—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2019brazil-20192019–2020Latin AmericaAArtwork—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaBBuffoon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaCCrossings With Danger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaDDenouncing Mafia—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaEExhibition of Clownfish—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaFForests in Danger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaGGetting Confidence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaHHour for a Run—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaIInterplanetary—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaJJar of Water Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaKKeep Calm and Sell Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaLLess Coin Tosses—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2019brazil-20192019–2020Latin AmericaMMaratona Brasileira de Popcorn—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2020brazil-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2021brazil-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
brazil-2022brazil-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2022brazil-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaAAmusement Park Adventure—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaBBest Fair Shuffles—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaCChallenging Hike—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaDDetour—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaEExtracting Pollen—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaFFatigue-Fighting Vacation—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaGGreat Treaty of Byteland—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaHHonest Worker—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaIInvestigating Zeroes and Ones—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaJJumping to Victory—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaKK for More, K for Less—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaLLexicographical Challenge—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2023brazil-20232023–2024Latin AmericaMMaximizing Flight Efficiency—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-2025brazil-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaAZero or One—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaBBalloon—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaCBoss—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaDFolding Machine—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaEDangerous Dive—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaFTriangles—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaGLines of Containers—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaHBuses—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaIPatches—Codeforces Gym
brazil-first-phase-2013brazil-first-phase-20132013–2014Latin AmericaJTrucks—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaASlackline Adventure—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaBMarbles—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaCPizza Cutter—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaDUnraveling Monty Hall—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaEEnigma—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaFMusic Festival—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaGGasoline—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaHPolice Hypothesis—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaISwitches—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaJJoining Capitals—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaKKepler—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaLSubway Lines—Codeforces Gym
brazil-first-phase-2018brazil-first-phase-20182018–2019Latin AmericaMModifying SAT—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaAArtwork—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaBBuffoon—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaCCrossings With Danger—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaDDenouncing Mafia—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaEExhibition of Clownfish—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaFForests in Danger—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaGGetting Confidence—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaHHour for a Run—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaIInterplanetary—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaJJar of Water Game—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaKKeep Calm and Sell Balloons—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaLLess Coin Tosses—Codeforces Gym
brazil-first-phase-2019brazil-first-phase-20192019–2020Latin AmericaMMaratona Brasileira de Popcorn—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaASticker Album—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaBBattleship—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaCConcatenating Teams—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaDDivisibility Dance—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaEParty Company—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaFFastminton—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaGGame Show!—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaHSBC's Hangar—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaIInteractivity—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaJCollecting Data—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaKBetween Us—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaLLavaspar—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaMMachine Gun—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaNNumber Multiplication—Codeforces Gym
brazil-first-phase-2020brazil-first-phase-20202020–2021Latin AmericaOVenusian Shuttle—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaAAssigning Prizes—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaBBeautiful Words—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaCCreating Multiples—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaDDividing the Kingdom—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaEEscalator—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaFFreedom from Prison—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaGGetting in Shape—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaHHandling the Blocks—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaIInverting Everything—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaJJust Bootfall—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaKKathmandu—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaLListing Passwords—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaMMonarchy in Vertigo—Codeforces Gym
brazil-first-phase-2021brazil-first-phase-20212021–2022Latin AmericaNNo Luck—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaAFinding Maximal Non-Trivial Monotones—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaBFun with Stones—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaCCutting with Lasers—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaDDisplacing Particles—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaEEliminating Ballons—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaFMultidimensional Hangman—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaGGeometry of Triangles—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaHHelping the Transit—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaIIntercepting Information—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaJPlaying 23—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaKKalel, the Jumping Frog—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaLListing Tedious Paths—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaMHopscotch Marathon—Codeforces Gym
brazil-first-phase-2022brazil-first-phase-20222022–2023Latin AmericaNNumbers on both Sides—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaAAmusement Park Adventure—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaBBest Fair Shuffles—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaCChallenging Hike—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaDDetour—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaEExtracting Pollen—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaFFatigue-Fighting Vacation—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaGGreat Treaty of Byteland—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaHHonest Worker—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaIInvestigating Zeroes and Ones—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaJJumping to Victory—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaK$K$ for More, $K$ for Less—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaLLexicographical Challenge—Codeforces Gym
brazil-first-phase-2023brazil-first-phase-20232023–2024Latin AmericaMMaximizing Flight Efficiency—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaAA healthy menu—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaBBaralho Alho—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaCCollatz polynomial—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaDDominoes—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaEExpansion of the road network—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaFFrangolino ali na mesa—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaGGenerating patterns—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaHHow many teams?—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaIInvestigating Quadradômeda—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaJJoão João—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaKKnockout, swiss and other kinds of tournaments—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaLLLMs—Codeforces Gym
brazil-first-phase-2025brazil-first-phase-20252025–2026Latin AmericaMMinas Gerais' walls—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaAHigh Frequency—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaBSequences—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaCExchange Rate—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaDDragons in Harmony—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaENetwork Editing—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaFFlower—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaGGenes—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaHTraffic Lights—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaIInside the Guinea Pig Playpen—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaJPhone Lines—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaKContingency—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaLMaze—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaMMicrowave—Codeforces Gym
brazil-first-phase-2026brazil-first-phase-20262026–2027Latin AmericaNNlogônia's Keys—Codeforces Gym
caribbean-2009caribbean-2009Latin AmericaAAnother Crisis—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaBBrothers—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaCCode Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaDDinner Hall—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaFFile Recover—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaGGrapevine—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaHHooligan—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaIIsosceles Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaJJingle Composing—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2009caribbean-2009Latin AmericaKKlingon Levels—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaAAnts Colony—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaBBingo!—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaEElectric Needs—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaFTautogram—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaHHyperactive Girl—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaIIngenious Metro—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaJJollo—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2010caribbean-20102010–2011Latin AmericaKKids’ Wishes—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2011caribbean-20112011–2012Latin AmericaAArmy buddies—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaBBall Stacking—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2011caribbean-20112011–2012Latin AmericaCCandy’s Candy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaDDiccionário Portuñol—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaEElectrical Pollution—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaFFile Retrieval—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2011caribbean-20112011–2012Latin AmericaGGarden Fence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaHHedge Mazes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaIIn Braille—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaJJupiter Attacks!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaKKing’s Poker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaLGates—Codeforces Gym
caribbean-2011caribbean-20112011–2012Latin AmericaMGame—Codeforces Gym
caribbean-2012caribbean-20122012–2013Latin AmericaAArranging Heaps—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaBBoxes and Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaCCellphone Typing—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaEEnvironment Protection—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaFFix the Pond—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaGGame of Tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2012caribbean-20122012–2013Latin AmericaJJoining Couples—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaBBlogger language—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaDDisjoint water supply—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaFFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaGGo up the Ultras—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaHHide and seek—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaIInverting Huffman—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2013caribbean-20132013–2014Latin AmericaJJoin two kingdoms—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaAAt most twice—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaBBlood groups—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaCCake cut—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaDD as in Daedalus—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaEExposing corruption—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaFFence the vegetables fail—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaGGalactic taxes—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaHHeight map—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaIIdentifying tea—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaJJust a bit sorted—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaKKeep it energized—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2015caribbean-20152015–2016Latin AmericaPCompetition—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaBBack to the Future—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaCCounting Self-Rotating Subsets—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaDDating On-Line—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaEEmission Spectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaFFarm robot—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaGGame of Matchings—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaHHotel Rewards—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaIInternet Trouble—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaJJust in Time—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2016caribbean-20162016–2017Latin AmericaKKill the Werewolf—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaAArranging tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaBBuggy ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaCComplete Naebbirac’s sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaDDaunting device—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaEEnigma—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaFFundraising—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaGGates of uncertainty—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaHHard choice—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaIImperial roads—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaJJumping Frog—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaKKeep it covered—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaLLinearville—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2017caribbean-20172017–2018Latin AmericaMMarblecoin—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaAA Symmetrical Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaBBuilding a Field—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaCCheap Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaDDatabase of Clients—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaEEscape, Polygon!—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaFFantastic Beasts—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaGGathering Red-Black Fruits—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaHHighway Decommission—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaIInk Colors—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaJJeopardized Election—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaKKryptoLocker Ate my Homework—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaLLooking for the Risk Factor—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2018caribbean-20182018–2019Latin AmericaMMount Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaAAlgorithm Teaching—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaBBuild the Perfect House—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaCCut Inequality Down—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaDDazzling Stars—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaEEggfruit Cake—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaFFabricating Sculptures—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaGGluing Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaHHold or Continue?—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaIImprove SPAM—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaJJumping Grasshopper—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaKKnow your Aliens—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaLLeverage MDT—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2019caribbean-20192019–2020Latin AmericaMMountain Ranges—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2020caribbean-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28
caribbean-2021caribbean-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2021caribbean-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2022caribbean-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaAAnalyzing Contracts—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaBBlackboard Game—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaCCandy Rush—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaDDeciphering WordWhiz—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaEElevated Profits—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaFForward and Backward—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaGGPS on a Flat Earth—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaHHealth in Hazard—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaIInversions—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaJJourney of the Robber—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaKKeen on Order—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaLLatam++—Codeforces Gym
caribbean-2023caribbean-20232023–2024Latin AmericaMMeeting Point—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaAAppend and Panic!—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaBBiketopia's Cyclic Track—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaCCindy's Christmas Challenge—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaDDiverse T-Shirts—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaEEvereth Expedition—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaFFinding Privacy—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaGGrand Glory Race—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaHHeraclosures—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaIInversion Insight—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaJJigsaw of Shadows—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaKKool Strings—Codeforces Gym
caribbean-2024caribbean-20242024–2025Latin AmericaLLatin Squares—Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
caribbean-2025caribbean-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-1997central-america-19971997–1998Latin America?Heads—ICPC Live Archive
central-america-1997central-america-19971997–1998Latin America?Image Recognizer—ICPC Live Archive
central-america-1997central-america-19971997–1998Latin America?DDF—ICPC Live Archive
central-america-1997central-america-19971997–1998Latin America?Tree—ICPC Live Archive
central-america-1997central-america-19971997–1998Latin America?Evaluating an Equations Board—ICPC Live Archive
central-america-1998central-america-19981998–1999Latin America?Visible Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2000central-america-20002000–2001Latin America?Convoy—ICPC Live Archive
central-america-2000central-america-20002000–2001Latin America?Digital Lab—ICPC Live Archive
central-america-2000central-america-20002000–2001Latin America?Generating permutations—ICPC Live Archive
central-america-2000central-america-20002000–2001Latin America?Island's Vegetation—ICPC Live Archive
central-america-2000central-america-20002000–2001Latin America?Treasure Hunt—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?Anthrax Lab Studies—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?Postfix—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?WEB Reservation Application—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?Cheap Fence—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?Hypercube Routing—ICPC Live Archive
central-america-2001central-america-20012001–2002Latin America?BST in a matrix—ICPC Live Archive
central-america-2002central-america-20022002–2003Latin AmericaBThis Sentence is False—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2005central-america-20052005–2006Latin AmericaATornado!—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2005central-america-20052005–2006Latin AmericaCPascal Library—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2005central-america-20052005–2006Latin AmericaEOptical Fiber—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaAAmbiguous Codes—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaBBallroom Lights—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaCCar Plates Competition—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaDDrop the Triples—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaEEmoticons :-)—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaFFinding Seats—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaGGalou is back!—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaHHe is offside!—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaIICPC Scoreboard—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2007central-america-20072007–2008Latin AmericaJJustice League—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2008central-america-20082008–2009Latin AmericaEElectricity—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2008central-america-20082008–2009Latin AmericaGPole Position—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2008central-america-20082008–2009Latin AmericaHHiggs Boson—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2008central-america-20082008–2009Latin AmericaITraveling Shoemaker Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2008central-america-20082008–2009Latin AmericaJBora Bora—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaAAnother Crisis—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaBBrothers—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaCCode Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaDDinner Hall—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaFFile Recover—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaGGrapevine—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaHHooligan—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaIIsosceles Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaJJingle Composing—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2009central-america-20092009–2010Latin AmericaKKlingon Levels—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaAAnts Colony—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaBBingo!—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaEElectric Needs—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaFTautogram—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaHHyperactive Girl—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaIIngenious Metro—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaJJollo—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2010central-america-20102010–2011Latin AmericaKKids’ Wishes—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2011central-america-20112011–2012Latin AmericaAArmy buddies—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaBBall Stacking—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2011central-america-20112011–2012Latin AmericaCCandy’s Candy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaDDiccionário Portuñol—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaEElectrical Pollution—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaFFile Retrieval—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2011central-america-20112011–2012Latin AmericaGGarden Fence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaHHedge Mazes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaIIn Braille—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaJJupiter Attacks!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaKKing’s Poker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaLGates—Codeforces Gym
central-america-2011central-america-20112011–2012Latin AmericaMGame—Codeforces Gym
central-america-2012central-america-20122012–2013Latin AmericaAArranging Heaps—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaBBoxes and Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaCCellphone Typing—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaEEnvironment Protection—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaFFix the Pond—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaGGame of Tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2012central-america-20122012–2013Latin AmericaJJoining Couples—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaBBlogger language—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaDDisjoint water supply—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaFFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaGGo up the Ultras—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaHHide and seek—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaIInverting Huffman—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2013central-america-20132013–2014Latin AmericaJJoin two kingdoms—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaAAt most twice—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaBBlood groups—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaCCake cut—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaDD as in Daedalus—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaEExposing corruption—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaFFence the vegetables fail—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaGGalactic taxes—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaHHeight map—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaIIdentifying tea—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaJJust a bit sorted—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaKKeep it energized—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2015central-america-20152015–2016Latin AmericaPCompetition—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaBBack to the Future—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaCCounting Self-Rotating Subsets—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaDDating On-Line—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaEEmission Spectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaFFarm robot—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaGGame of Matchings—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaHHotel Rewards—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaIInternet Trouble—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaJJust in Time—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2016central-america-20162016–2017Latin AmericaKKill the Werewolf—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2017central-america-20172017–2018Latin AmericaAArranging tiles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaBBuggy ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaCComplete Naebbirac’s sequence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaDDaunting device—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaEEnigma—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaFFundraising—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaGGates of uncertainty—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaHHard choice—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaIImperial roads—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaJJumping Frog—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaKKeep it covered—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaLLinearville—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2017central-america-20172017–2018Latin AmericaMMarblecoin—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2018central-america-20182018–2019Latin AmericaAA Symmetrical Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaBBuilding a Field—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaCCheap Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaDDatabase of Clients—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaEEscape, Polygon!—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaFFantastic Beasts—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaGGathering Red-Black Fruits—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaHHighway Decommission—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaIInk Colors—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaJJeopardized Election—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaKKryptoLocker Ate my Homework—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaLLooking for the Risk Factor—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2018central-america-20182018–2019Latin AmericaMMount Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
central-america-2019central-america-20192019–2020Latin AmericaAAlgorithm Teaching—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaBBuild the Perfect House—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaCCut Inequality Down—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaDDazzling Stars—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaEEggfruit Cake—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaFFabricating Sculptures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaGGluing Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaHHold or Continue?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaIImprove SPAM—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaJJumping Grasshopper—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaKKnow your Aliens—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaLLeverage MDT—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2019central-america-20192019–2020Latin AmericaMMountain Ranges—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2020central-america-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2021central-america-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2022central-america-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaAAnalyzing Contracts—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaBBlackboard Game—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaCCandy Rush—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaDDeciphering WordWhiz—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaEElevated Profits—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaFForward and Backward—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaGGPS on a Flat Earth—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaHHealth in Hazard—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaIInversions—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaJJourney of the Robber—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaKKeen on Order—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaLLatam++—Codeforces Gym
central-america-2023central-america-20232023–2024Latin AmericaMMeeting Point—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaAAppend and Panic!—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaBBiketopia's Cyclic Track—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaCCindy's Christmas Challenge—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaDDiverse T-Shirts—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaEEvereth Expedition—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaFFinding Privacy—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaGGrand Glory Race—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaHHeraclosures—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaIInversion Insight—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaJJigsaw of Shadows—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaKKool Strings—Codeforces Gym
central-america-2024central-america-20242024–2025Latin AmericaLLatin Squares—Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-america-2025central-america-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
central-russia-2000central-russia-20002000–2001Northern Eurasia?Pinocchio—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Tower of Hanoi—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Combinations—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Centers of the Net—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Amount of Degrees—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Chocolate—Timus Online Judge
central-russia-2000central-russia-20002000–2001Northern Eurasia?Expression—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Fibonacci Sequence—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Cards—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Recruits—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Parliament—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Bus Routes—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Integer Percentage—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?City Blocks—Timus Online Judge
central-russia-2001central-russia-20012001–2002Northern Eurasia?Swamp Incident—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Fractional Arithmetic—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Knights of the Round Table—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Train—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Cops and Thieves—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?“… Connecting People”—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Warehouse—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Topological Sorting—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?River Basin—Timus Online Judge
central-russia-2003central-russia-20032003–2004Northern Eurasia?Game Tree—Timus Online Judge
central-russia-2012central-russia-20122012–2013Northern EurasiaAHanoi Tower—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaBIsland—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaCSequence—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaDSelection—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaEMultiplication Puzzle—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaFGCDs—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaGFunction—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaHMilestones—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaIDunno—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaJComputer Network—Codeforces Gym
central-russia-2012central-russia-20122012–2013Northern EurasiaKTriangles—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaANormal Magic Square—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaBRectangles—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaCMagic football—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaD38 parrots—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaEBlack Box—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaFSpying Game—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaGAlice And Bob—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaHExam—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaIHole Punch—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaJMultidimensional Points—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaKTower of Hanoi—Codeforces Gym
central-russia-2017central-russia-20172017–2018Northern EurasiaLFence—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaAA lazy controller—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaBGremlins attack!—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaCDimensions—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaDWe were trying to share an orange ...—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaEHanoi Tower—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaFPebbles—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaGNon-random numbers—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaHA self-describing sequence—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaINoughts and crosses—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaJR u really ready?—Codeforces Gym
central-russia-2018central-russia-20182018–2019Northern EurasiaKMeson Collider—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaAGreen tea—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaBMysterious Resistors—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaCEmoticons—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaDPower play—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaEPrinted circuit board—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaFA word game—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaGHourglass—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaHMen's showdown—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaIAndrew and Python—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaJSomething that resembles Waring's problem—Codeforces Gym
central-russia-2019central-russia-20192019–2020Northern EurasiaKParabolic sorting—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaAMotivation problems—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaBTime to reap the harvest—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaCLucky or not?—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaDProfessor R's. Median—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaEThe Highlanders' Tournament—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaFSquare transit—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaGProgress bar—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaHChess knight on the curb stone—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaIPharaoh hEx—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaJConnect and Disconnect 1—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaKDivide and Connect 2—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaLCipher—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaMBeautiful hockey—Codeforces Gym
central-russia-2020central-russia-20202020–2021Northern EurasiaNContest with bug—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaAPuzzle generator—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaBShooting—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaCPisano period—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaDBucket of sand—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaEBrass Birmingham: coins—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaFBrass Birmingham: cities—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaGBrass Birmingham: beer—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaHBrass Birmingham: roads—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaIProblem 3n+1—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaJInteresting numbers—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaKTo-do list—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaLPermutations and sums—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaMThree cushion carom—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaNJust another array problem—Codeforces Gym
central-russia-2021central-russia-20212021–2022Northern EurasiaOSea Battle—Codeforces Gym
cerc-1995cerc-19951995–1996EuropeAMaya Calendar—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1995cerc-19951995–1996EuropeBTransportation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1995cerc-19951995–1996EuropeCJohn's trip—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1995cerc-19951995–1996EuropeFJoseph—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1995cerc-19951995–1996EuropeGCipher—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1995cerc-19951995–1996Europe?Sticks 4fc13711-5299-4f2f-b88c-e433e603c000—ICPC Live Archive
cerc-1995cerc-19951995–1996Europe?Pipe—ICPC Live Archive
cerc-1995cerc-19951995–1996Europe?Department—ICPC Live Archive
cerc-1996cerc-19961996–1997EuropeATin Cutter—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeBFORCAL—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeCL--system—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeDPackets—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeECrosswords (II)—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeFIntervals—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeGRobot—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1996cerc-19961996–1997EuropeHNetwork—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1997cerc-19971997–1998Europe?King 3cc0411a-bbd0-4345-88cb-9f4b2e2f93ca—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Prime Land 69664edb-a594-49f5-8044-0662cb73c423—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Rails—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Word—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Time—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Puzzle (II)—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Append—ICPC Live Archive
cerc-1997cerc-19971997–1998Europe?Gossiping—ICPC Live Archive
cerc-1998cerc-19981998–1999EuropeAAdding Reversed Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeBCopying Books—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeCSubstitution Cipher 82ac90cf-a539-4037-8be3-00ad9d467222—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeDCommedia dell' arte—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeFSkyscraper Floors 5f09b2b1-60fb-4b1e-a558-64719beb288c—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeGGlass Beads—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999EuropeIInvitation Cards—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1998cerc-19981998–1999Europe?Calculating Expressions on Turing Machine—ICPC Live Archive
cerc-1998cerc-19981998–1999Europe?Hares and Foxes—ICPC Live Archive
cerc-1999cerc-19991999–2000EuropeARun Away—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeBEquipment Box—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeCSecret Code—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeDThe Proper Key—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeELabyrinth—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeFPiggy-Bank—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeGLifting the Stone—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-1999cerc-19991999–2000EuropeHPlay on Words—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeASimple Arithmetics—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeBThe Bulk—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeCComplete the sequence!—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeDDirect Visibility—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeEComplicated Expressions—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeGThe Game of Master-Mind—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeHHotline—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2000cerc-20002000–2001EuropeII-Keyboard—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2001cerc-20012001–2002EuropeHHorizontally visible segments—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2001cerc-20012001–2002Europe?Alice and Bob—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Binary Stirling Numbers—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Calendar of Maya—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Decoding Morse sequences—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Exchanges—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Fill the cisterns!—ICPC Live Archive
cerc-2001cerc-20012001–2002Europe?Gates—ICPC Live Archive
cerc-2002cerc-20022002–2003EuropeAFamily—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2002cerc-20022002–2003EuropeBIntervals—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2002cerc-20022002–2003EuropeESerious Cow Tag—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2002cerc-20022002–2003EuropeFSolitaire—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2002cerc-20022002–2003EuropeGTimetable—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2002cerc-20022002–2003EuropeHVoracious Steve—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeAEasy Task—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeBBundling—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeCShortcut—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeDDice Contest—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeENovember Rain—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2003cerc-20032003–2004EuropeGWhich is Next—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2004cerc-20042004–2005EuropeAArt of War—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeBStrange Billboard—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeCPhone Cell—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeHHexagonal Parcels—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeKKey Task—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeLGates of Logic—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeNWeird Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeRReaux! Sham! Beaux!—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeSRobotic Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2007cerc-20072007–2008EuropeWTough Water Level—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2008cerc-20082008–2009EuropeAYAPTCHA—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2008cerc-20082008–2009EuropeBSkyscrapers—Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2010cerc-20102010–2011EuropeAArdenia—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeBBeasts—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeCCasting Spells castingspells 090cb348-1ff7-4bfa-89ea-f9d08ca25764—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeDDefense Lines—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2010cerc-20102010–2011EuropeEEnter The Dragon—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2010cerc-20102010–2011EuropeFFields and Farmers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeGGame—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeHHanging Hats—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeIInsults—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2010cerc-20102010–2011EuropeJJustice for All—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeABoring Card Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeBVigenère Cipher Encryption—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeCUnique Encryption Keys—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeDRacing Car Trail—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeEStack Machine Programmer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeFStrange Regulations—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2011cerc-20112011–2012EuropeGVigenère Cipher Analysis—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeHThe Grille—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeIUnchanged Picture—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2011cerc-20112011–2012EuropeJStack Machine Executor—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeAKingdoms kingdoms 48c2a9d1-83c6-4807-b8b9-3ae4e070916b—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeBWho Wants to Live Forever? whowantstoliveforever a8d61009-629f-4222-b9e4-d49a65a300cd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2012cerc-20122012–2013EuropeCChemist's vows chemistsvows 790848d7-6680-4b2e-bb17-524242d95467—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeDNon-boring sequences nonboringsequences e0b2908e-220d-402f-b65b-79efcc8f6ecf—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeEWord Equations wordequations 9b41a4d7-caa7-42ec-b7fc-41a443c56edd—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeFFarm and factory—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeGJewel Heist jewelheist 0d72899e-6427-40b2-99e8-2e3ee4f5fe78—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2012cerc-20122012–2013EuropeHDarts dartscores f384d602-d6d9-4aad-a4d9-529a6327a9ed—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2012cerc-20122012–2013EuropeIThe Dragon and the Knights thedragonandtheknights 2381ddc8-3df6-4755-a9c2-de72511e5c12—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2012cerc-20122012–2013EuropeJConservation conservation 47ad6f6f-c95c-4119-b34a-dba158e2d314—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2012cerc-20122012–2013EuropeKGraphic Madness graphicmadness 3497ab1f-bea5-48b4-b6d3-b01b5473ce49—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeARubik's Rectangle rubikrectangle 8c3cefbb-4b53-4c6f-b424-3cf30e310654—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeBWhat does the fox say? whatdoesthefoxsay 7c247232-b155-4ef2-b746-4022c4750cf1—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2013cerc-20132013–2014EuropeCMagical GCD magicalgcd 211af451-9f05-4d55-a81f-fa91afd10aa2—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2013cerc-20132013–2014EuropeDSubway subway3 5cc485e9-4891-40a2-abe0-97a4e789b474—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeEEscape escape 6039c2c7-51c2-4bef-bbc1-8cd1e4c59b9a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeFDraughts draughts 198bc1d2-8bab-44aa-90fb-63dea9d52a98—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeGHistory course—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2013cerc-20132013–2014EuropeHChain & Co. chainco 0111dff5-82d0-473c-b5ec-f97ccfd19561—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeICrane crane2 1b4d8c95-be9d-420c-95d2-5775992a6f77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeJCaptain Obvious and the Rabbit-Man captainobvious d48da54f-3597-4d33-b920-326480cd85c3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2013cerc-20132013–2014EuropeKDigraphs digraphs 0b246e4e-5ebc-4e56-9770-cf02ad87cfb7—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2013cerc-20132013–2014EuropeLBus bus 9f247af7-1487-41e4-8b34-e7469279abbb—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2014cerc-20142014–2015EuropeAParades parades 9d139de8-e2f1-4b18-bf3b-988f3e85956c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeBMountainous Landscape mountainouslandscape 0f184691-fd0f-47a7-9916-7bb79b1149a8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeCSums consecutivesums 1b22a18e-cf68-43d9-97ad-5bc52b94a90c—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2014cerc-20142014–2015EuropeDWheels wheels 3e6c2603-6f8b-4ea4-89f8-27482cf52cb8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeECan't Stop Playing cantstopplaying 123d49ec-0b08-4d40-8524-95e7aef9caa7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeFVocabulary vocabulary 9076694a-5684-481e-bf50-bee62ba9fcd4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeGVirus Synthesis virussynthesis 278833e0-83c2-4f18-8584-d9ba46eb94a3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeHGood Morning! goodmorning 28e8db9a-83cd-4dbc-8d5c-a1ea43064394—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeIBricks brickpartition d589443d-e7ca-41da-af1a-6c49be2346db—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeJPork Barrel porkbarrel 10e8a33d-4091-4507-8dac-3e1af4c62ffd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeKThe Imp theimp bf0d5398-2903-4207-8672-4279a8a42663—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2014cerc-20142014–2015EuropeLOuter Space Invaders spaceinvaders db889bd0-fd7a-4099-b050-14365d15c2a0—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2015cerc-20152015–2016EuropeAASCII Addition asciiaddition 6754e3da-78cd-4c5e-95b8-6329d84b68bf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeBBook Borders—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeCCow Confinement—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeDDigit Division digitdivision 3bed56c0-e39d-485c-a26c-cfd2d3ff18c7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeEExport Estimate—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeFFrightful Formula—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeGGreenhouse Growth—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeHHovering Hornet—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeIIce Igloos—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeJJuice Junctions d433ee37-2906-48fa-968f-fc6f650922fe—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeKKernel Knights—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2015cerc-20152015–2016EuropeLLooping Labyrinth—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeAAppearance Analysis—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeBBipartite Blanket—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeCConvex Contour convexcontour 29ef6e33-06b0-47fc-a8be-1ed6a03027fd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeDDancing Disks—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeEEasy Equation—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
cerc-2016cerc-20162016–2017EuropeFFree Figurines—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeGGeohash Grid—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeHHangar Hurdles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeIInvisible Integers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeJJazz Journey jazzjourney 9a4eec13-3f9d-484f-b789-6a1c6133a445—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeKKey Knocking—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2016cerc-20162016–2017EuropeLLost Logic—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeAAssignment Algorithm—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeBBuffalo Barricades—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeCCumulative Code—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeDDonut Drone—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeEEmbedding Enumeration—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeFFaulty Factorial—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeGGambling Guide—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeHHidden Hierarchy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeIIntrinsic Interval—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeJJustified Jungle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeKKitchen Knobs—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2017cerc-20172017–2018EuropeLLunar Landscape—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeAThe ABCD Murderer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeBThe Bridge on the River Kawaii—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeCClockwork ||ange—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeDReservoir Dog—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeGTrees Gump—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeHIncredible Hull—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeIShooter Island—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeKThe Lord of the Kings—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeLThe Silence of the Lamps—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeMMatrice—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeRMirrority Report—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2018cerc-20182018–2019EuropeSGame of Stones—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeAABB—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeBBe Geeks!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeCCrimson Sexy Jalapeños—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeDDeep800080—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeGZeldain Garden—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeHLight Emitting Hindenburg—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeKK==S—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropePPonk Warshall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeSSaba1000kg—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020EuropeTThe Bugs—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020Europe?Bob in Wonderland—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2019cerc-20192019–2020Europe?Screamers in the Storm—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
cerc-2020cerc-20202020–2021EuropeAArt Transaction—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeBBank Robbery—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeCPizzo Collectors—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeDExcavation—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeETobacco Growing—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeFRescue Mission—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeGOffices—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeHPickpockets—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeIStorage Problems—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeJRoof Escape—Codeforces Gym
cerc-2020cerc-20202020–2021EuropeKScreamers—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeAAirline—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeBBuilding on the Moon—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeCCactus cutting—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeDDJ Darko—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeEFishing—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeFLetters—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeGLines in a grid—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeHRadar—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeIRegional development—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeJRepetitions—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeKSingle-track railway—Codeforces Gym
cerc-2021cerc-20212021–2022EuropeLSystematic salesman—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeABandits—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeBCombination Locks—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeCConstellations—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeDDeforestation—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeEDenormalization—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeFDifferences—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeGGreedy Drawers—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeHInsertions—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeIMoney Laundering—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeJMortgage—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeKSkills in Pills—Codeforces Gym
cerc-2022cerc-20222022–2023EuropeLThe Game—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeAAttendance—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeBBall Passing—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeCCakes—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeDDrying Laundry—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeEEqual Schedules—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeFPhylogenetics—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeGGoing to the Moon—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeHHuman Resources—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeIInteractive Reconstruction—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeJJumbled Stacks—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeKKeys—Codeforces Gym
cerc-2023cerc-20232023–2024EuropeLLabelled Paths—Codeforces Gym
changchun-2015changchun-20152015–2016Asia EastAToo Rich—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastBCount a * b—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastCPlay a game—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastDPipes selection—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastERebuild—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastFAlmost Sorted Array—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastGDancing Stars on Me—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastHPartial Tree—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastIChess Puzzle—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastJChip Factory—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastKMaximum Spanning Forest—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastLHouse Building—HDU Online Judge (acm.hdu.edu.cn)
changchun-2015changchun-20152015–2016Asia EastMSecurity Corporation—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastAAssignment For Princess—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastBBeautiful Soup—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastCClumsy Algorithm—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastDDinner Coming Soon—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastEExhausted Robot—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastFFibonacci Tree—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastGGRE Words Revenge—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastHHard Disk Drive—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastIICPC Ranking—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2013chengdu-20132013–2014Asia EastJJust Random—HDU Online Judge (acm.hdu.edu.cn)
chengdu-2024chengdu-20242024–2025Asia East?Arrow a Row—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Athlete Welcome Ceremony—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Chinese Chess—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Closest Derangement—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Disrupting Communications—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Double 11—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Expanding Array—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Friendship is Magic—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Good Partitions—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Grand Prix of Ballance—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Magical Set—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Recover Statistics—Luogu 洛谷 (Luògǔ)
chengdu-2024chengdu-20242024–2025Asia East?Two Convex Holes—Luogu 洛谷 (Luògǔ)
chennai-2015chennai-20152015–2016Asia West?Malvika conducts her own ACM-ICPC contest series—CodeChef
chennai-2015chennai-20152015–2016Asia West?Animesh decides to settle down—CodeChef
chennai-2015chennai-20152015–2016Asia West?Animesh practices some programming contests—CodeChef
chennai-2015chennai-20152015–2016Asia West?Malvika gets bored along with her Cats—CodeChef
chennai-2015chennai-20152015–2016Asia West?Malvika conducts a Programming Camp—CodeChef
chennai-2015chennai-20152015–2016Asia West?King Animesh decides to have a voyage to the sun—CodeChef
chennai-2015chennai-20152015–2016Asia West?Malvika and Animesh play Red-Blue cards Game—CodeChef
chennai-2015chennai-20152015–2016Asia West?Crazy Malvika discovers Crazy Fibonacci function—CodeChef
chennai-2015chennai-20152015–2016Asia West?Malvika is peculiar about color of balloons—CodeChef
chennai-2015chennai-20152015–2016Asia West?Animesh does not gift Malvika on her birthday—CodeChef
chennai-2015chennai-20152015–2016Asia West?Animesh has a war with tribal leader Malvika—CodeChef
chennai-2015chennai-20152015–2016Asia West?Praveen falls from a tall tree—CodeChef
chennai-2016chennai-20162016–2017Asia West?Mancunian and Sonu Generate Strings—CodeChef
chennai-2016chennai-20162016–2017Asia West?Mancunian Candidate Master Forever—CodeChef
chennai-2016chennai-20162016–2017Asia West?Birthday Pizza Party—CodeChef
chennai-2016chennai-20162016–2017Asia West?ATM Queue—CodeChef
chennai-2016chennai-20162016–2017Asia West?Moving Clams—CodeChef
chennai-2016chennai-20162016–2017Asia West?ACM ICPC World Finals Accommodation—CodeChef
chennai-2016chennai-20162016–2017Asia West?Voting Fraud—CodeChef
chennai-2016chennai-20162016–2017Asia West?Sum and Xor—CodeChef
chennai-2016chennai-20162016–2017Asia West?Alice and Bob play Contact—CodeChef
chennai-2016chennai-20162016–2017Asia West?Kingdom of Chef—CodeChef
chennai-2025chennai-20252025–2026Asia West?A - All Distinct—CodeChef
chennai-2025chennai-20252025–2026Asia West?B - Connect 3—CodeChef
chennai-2025chennai-20252025–2026Asia West?C - Deletion Minimization—CodeChef
chennai-2025chennai-20252025–2026Asia West?D - Game of Three—CodeChef
chennai-2025chennai-20252025–2026Asia West?E - Mex and Max—CodeChef
chennai-2025chennai-20252025–2026Asia West?F - Minimum Divides Maximum—CodeChef
chennai-2025chennai-20252025–2026Asia West?G - Palindrome and Permutation—CodeChef
chennai-2025chennai-20252025–2026Asia West?H - Robin Hood—CodeChef
chennai-2025chennai-20252025–2026Asia West?I - Set Merging—CodeChef
chennai-2025chennai-20252025–2026Asia West?J - Vertex Separation—CodeChef
chennai-2025chennai-20252025–2026Asia West?K - X Makes the Difference—CodeChef
croatia-2007croatia-20072007–2008EuropeAArhitekt—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeBBinarni—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeCČuvar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeDKalendar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeEKemija—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeFPekar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeGSpoj—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeHSuma—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2007croatia-20072007–2008EuropeITorta—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeABomboni—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeBCeste—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeCČestice—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeDIgra—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeEPrekidač—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeFRiva—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeGRSA—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeHTrokut—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2008croatia-20082008–2009EuropeIZmija—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeAĆevapi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeBFiltar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeCIzviðači—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeDLunapark—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeEMajstor—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeFMaxplus—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeGŠkola—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeHŽabe—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2009croatia-20092009–2010EuropeIŽetva—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeADuzžine—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeBKugle—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeCMravi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeDOkret—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeEŠibice—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeFSličice—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeGSretan—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeHTrokut—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2010croatia-20102010–2011EuropeIVišekratnici—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeAAnadrom—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeBBanane—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeCHaker—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeDIzlet—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeEStruja—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeFTelefon—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeHVanzemaljci—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2011croatia-20112011–2012EuropeIZone—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeAAgresor—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeBKreditna—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeCKvadrati—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeDLubenice—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeEMatematika—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeFPermutacije—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeGRestorani—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeHTartufi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2012croatia-20122012–2013EuropeIVirus—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeAArhimed—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeBFormula—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeCHaker—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeDHNL—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeEIvo—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeFMnogokut—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeGSort—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeHUmnozak—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2013croatia-20132013–2014EuropeIZvonimir—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeABitstock—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeBČetverokut—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeCDvaput—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeDHyperloop—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeELijepi Putevi—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeFParket—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeGProsjek—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeHRAM—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2014croatia-20142014–2015EuropeIŠetnja—Baekjoon Online Judge (wayback) closed 2026-04-28 · Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeABitovni—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeBKratki—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeCLuhn—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeEParada—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeFPiramida—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeGR9K—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeHSjeckanje—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeISlika—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2015croatia-20152015–2016EuropeJTablica—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeABlokada—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeBCaki—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeCGorivo—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeDKocka—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeEMarica—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeFOgrada—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeGPčele—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeHRoj—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeIRudar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2016croatia-20162016–2017EuropeJVjerojatnost—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeAAsfalt—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeBCod—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeCKaktus—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeDKalendar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeELetovi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeFNKD—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeGPloča—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeHPresjek—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeISretan—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2017croatia-20172017–2018EuropeJStablo—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeAAlloc—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeBFlauta—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeCGhost leg—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeDHulja—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeELuka—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeFMenza—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeGNačitan—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeHPloča—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeIReality—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2018croatia-20182018–2019EuropeJStablo u stablu—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeAAlergični Aron—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeBBliski Brojevi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeCCrni Ceh—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeDDramatični Dvoboj—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeEElokventni Evaluator—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeFFantastični Fožgaj—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeGGolema Gozba—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeHHerojski Histogram—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeIIdilični Instagram—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2019croatia-20192019–2020EuropeJJaki Jovsi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeAASCII Art—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeBBrzi Biljar—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeCCarska Civilizacija—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeDDrugi Dio—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeEEkstremna Ekspedicija—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeFFenomenalni Fenjer—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeGGospodar Gljiva—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeHHvalevrijedan Hitac—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeIIzvanredna Isplata—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeJJači Jovsi—Baekjoon Online Judge (wayback) closed 2026-04-28
croatia-2020croatia-20202020–2021EuropeKKlasična Karantena—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeDZpětné inženýrství—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeGGnome—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeHHerci—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeILinie—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropePPočítáme ponorky—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeRRozejděte se!—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeSPražská spojka—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2000ctuo-20002000–2001EuropeTTokeny—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeAKomunikace—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeBSměrnice—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeCMatematické cvičení—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeDČervotoči—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeEAlgebra—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeFPřeprava materiálu—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeGDámy—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2001ctuo-20012001–2002EuropeHNástěnky—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeBSea Battle—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeCThe Die Is Cast—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeDDefragmentation—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeFFormatting Text—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeHHole Cutter—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeMInteresting Maze Game—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeRComplicated Route—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeSThe Perfect Symmetry—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeVMysterious Villa—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2002ctuo-20022002–2003EuropeWToo Much Water—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeBBridge Hands—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeDBuilding a New Depot—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeHTruck History—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeNBase Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropePPaper Cutting—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeRHexagonal Routes—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeSStorehouse—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2003ctuo-20032003–2004EuropeTTraffic Jam—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2004ctuo-20042004–2005EuropeAAgents—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeBBoatherds—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeCC Looooops—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeDDeath to Binary?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeEElectricity—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeFFirepersons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeGGod of the Vile Baskers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeHHerbalists—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeIInglish-Number Translator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2004ctuo-20042004–2005EuropeJJapan Plotter Driver—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2005ctuo-20052005–2006EuropeAAll Friends friends 5bf039e0-75cb-4bbf-b2ce-f432f86ce5c9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2005ctuo-20052005–2006EuropeEEmag Eht Htiw Em Pleh empleh 1356c5db-654b-44a6-b4f0-1c34b814021b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2005ctuo-20052005–2006EuropeFFailing Roads roads 2822fe69-a3ca-49cf-9202-8a273b257889—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2005ctuo-20052005–2006EuropeHHelp Me With The Game helpme 48d0c607-102b-4de5-b20e-f14ab8a43215—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2005ctuo-20052005–2006Europe?Divisors divisors eddf13b0-8c64-4f6e-90e0-ab4096d2342e—Kattis
ctuo-2007ctuo-20072007–2008EuropeBCatch the Bus!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeCCalendar of Events—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeERoman Expressions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeGGeometric Shapes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeICorporate Identity—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeMMoney Money Money, Must Be Funny—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeRRailway Transportation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeSSoccer Tournament—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2007ctuo-20072007–2008EuropeTHypertheseus—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2008ctuo-20082008–2009EuropeAAlea iacta est alea 81edc3d7-d394-483c-938e-6c7c9924ffbd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2008ctuo-20082008–2009EuropeDCareful Declaration declaration e10a24b1-0b44-4985-a791-83993e99dd9f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2008ctuo-20082008–2009EuropeFWooden Fence fence 8314de49-b7c9-41da-90c3-a14c9b8858f5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2008ctuo-20082008–2009EuropeHGovernment Help help 9f5f98f4-81d7-41a6-aa88-45c5bbb310cb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2008ctuo-20082008–2009Europe?Tree Insertion insert 9c536f37-c000-4bb1-a6b6-1b86bbc5ff28—Kattis
ctuo-2009ctuo-20092009–2010EuropeAArable Area arable d807957f-6172-41c0-9c20-a0cfb0db920e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeCClock Captcha—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeDDigital display display 6ec1b964-eae7-44ac-a5fc-365494e8a1d7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeIIntriguing Identifiers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeLLetter Lies—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeOOdd Opportunities—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropePPeculiar primes primes c1a09136-9344-445c-91a4-2e94400af485—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeRRobotic Rails—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2009ctuo-20092009–2010EuropeSSuspicious Stocks—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeAArbitrage? arbitrage 3c5ec72f-8429-44cc-95f8-0615cbc02b1c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeBBus Schedules busschedules 7fdc434b-ddb6-4657-9c61-f79d2c7876b7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeCBus Clock Display busclock 3d49f6f2-fdc3-4def-a433-335791773574—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeDMeasuring Problem Difficulty difficult 05201a36-2910-4a5c-aa86-db4502fe6052—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeEThe Easiest Problem Is This One easiest 85df4a8a-cab0-433c-96cf-19a3051234bc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeFProhibición de fumar—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeGPyramid Guards—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeHHack Around the Lock hack ecb46828-bba9-4cfc-99b9-c18427c050c2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2010ctuo-20102010–2011EuropeIGod Save the i-th Queen ith 8be6931c-658c-4735-9d89-a60c19e33c39—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2011ctuo-20112011–2012EuropeDMine the Gradient gradient af9c9e98-4330-4050-8c3f-23ca8f37a187—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012EuropeEInvasion invasion 7b1a9011-bbe3-4583-b029-f460979e9c18—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012EuropeFIntergalactic Mortgage mortgage 0f30be19-87f9-4ef7-a374-15645ff2ef90—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012EuropeGSimple Polygon polygon 20d847ee-4a30-4ab7-a48c-9d678e2b28d4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012EuropeHAmbiguous Result result e0d2e313-8f5d-4c08-bcf2-f22dd0136529—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012EuropeIDomino Tiling tiling 8df93e5e-6d12-435e-bcb0-d7888d55589c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2011ctuo-20112011–2012Europe?Collatz Conjecture collatz 047bb492-76f4-4a8d-b1b6-6eb454dafa36—Kattis
ctuo-2011ctuo-20112011–2012Europe?Text Encryption textencryption 6b3a242e-732d-426f-a75b-79b4a38da7ec—Kattis
ctuo-2012ctuo-20122012–2013EuropeAAndrew the Ant andrewant a379778b-579c-498f-b22d-f5912ec49c90—Kattis · Codeforces Gym · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2012ctuo-20122012–2013EuropeBSoftware Bugs bugs 5aa8b72f-6795-498c-97a3-c59fad443791—Kattis · Codeforces Gym · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2012ctuo-20122012–2013EuropeCCharlie the Cockchafer cockchafer 02a402a9-4d1e-44d9-aa91-065551422ef6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
ctuo-2012ctuo-20122012–2013EuropeDGregory the Grasshopper grasshopper 727b486d-f1ba-43eb-95a6-55a2e96da3d4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
ctuo-2012ctuo-20122012–2013EuropeELisa the Ladybug ladybug cc64bf29-da0f-4d19-aaf8-c12ff389e46a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
ctuo-2012ctuo-20122012–2013EuropeFMosquito Multiplication mosquito adfd902b-2262-49cc-8bf2-050e9e2f65f1—Kattis · Codeforces Gym · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2012ctuo-20122012–2013EuropeGRhinoceros Beetle rhino 39ee0c67-9b2a-4568-a40e-64a422647a6c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
ctuo-2012ctuo-20122012–2013EuropeHSimon the Spider spider 043c41c7-eb34-4628-8402-fcf9f972338e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym · Codeforces Gym
ctuo-2013ctuo-20132013–2014EuropeSFalse Sense of Security falsesecurity ca74a1d3-7a0c-4486-a708-d330f118e259—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2013ctuo-20132013–2014Europe?Fence Orthogonality fenceortho 43ebd7c1-b502-4add-adf4-3a0a746d04cf—Kattis
ctuo-2013ctuo-20132013–2014Europe?Flower Pots flowerpots 8655acfc-7d64-4e53-9030-7c3791b00e80—Kattis
ctuo-2013ctuo-20132013–2014Europe?Folded Map foldedmap 64cbe4ad-a510-413b-a0e0-9d0a82a3994f—Kattis
ctuo-2013ctuo-20132013–2014Europe?Fractional Lotion fractionallotion 67f3e19d-8a81-4fc2-a8c4-80c8206c0048—Kattis
ctuo-2013ctuo-20132013–2014Europe?Frozen Rose-Heads frozenrose cbc427d7-8f01-4566-90b6-f2f4cd53cd4d—Kattis
ctuo-2013ctuo-20132013–2014Europe?Frustrated Queue frustratedqueue dc55d1fd-6daa-400a-b825-b65198f1ea1f—Kattis
ctuo-2013ctuo-20132013–2014Europe?Furry Nuisance furrynuisance a4392e05-6964-45aa-bf72-47c13099124c—Kattis
ctuo-2014ctuo-20142014–2015EuropeAKolonie—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeBMost—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeCStavitel—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeDLodê—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeEDirect Visibility—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeFKarel the Robot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeGMore or Less Accurate—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeHSelf-Intersecting Path—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeILengthy Traveling Salesman—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2014ctuo-20142014–2015EuropeJPicture Validator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeCChasing the Cheetahs cheetahs 250253f4-76f4-4423-92f6-350467d8dc13—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeDFalcon Dive falcondive 6fdc2075-d74f-4076-bd54-62ffdac0969c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeFThe Fox and the Owl foxandowl 8e7f869e-2ea1-4525-b216-0837521cfe9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeHFeeding the Herrings herrings 19e1f61b-fe17-47b1-a628-afb0a813a9f8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeJJumping Yoshi jumpingyoshi 1d5de5fc-7f31-4449-8d70-5db446988e36—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeLLunch Menu—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeOThe Owl and the Fox owlandfox 76f2c5d0-b1e0-43d3-8f8c-65da0b47053f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropePPlankton Food plankton fa1b5fb5-31de-408a-83b0-b8a60356abfd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeSHacking the Screen screen de91b742-61e7-4ebe-b2d1-6be69405f9ce—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2015ctuo-20152015–2016EuropeTVisitors Train visitorstrain 3d91bdc2-a679-4a12-a373-4b7fde77677a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeAAerial Archeology—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeBHot Air Ballooning—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2016ctuo-20162016–2017EuropeCCable Connection—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeDRotating Display—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeFFence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeHTree Stands—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeJColorful Tribune—Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeKEtnetera Brevity Challenge—Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeOOrchard Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeRIt’s Raining, Man—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2016ctuo-20162016–2017EuropeSSuspicious Samples—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeAAmusement Anticipation—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeCPond Cascade—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeDChessboard Dancing—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeEEquinox Roller Coaster—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeFForest Picture—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeGShooting Gallery—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeIIce cream samples—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeMDark Ride with Monsters—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeNGo Northwest!—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropePPunching Power—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2017ctuo-20172017–2018EuropeWTreetop Walkway—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeDDie—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeEEscalators—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeFMoving Furniture—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeGSplit Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeHHorsemeet—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeILighting—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeLLocker Room—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeNNumbers Generator—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeRRullete—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2018ctuo-20182018–2019EuropeSSecurity Guards—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeBBeer Barrels—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeCBeer Coasters—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeFBeer Flood System—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeGBeer Can Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeMBeer Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeSScreamers in the Storm—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeVBeer Vision—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeB2Beer Bill—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeM2Beer Mugs—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2019ctuo-20192019–2020EuropeS2Sixpack—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeASilver Star Stands Alone silverstarstandsalone 090a1685-ac7b-402a-a523-4a8bc733975a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeCTomTom Cruise tomtomcruise f1c44bf0-5b2c-49d2-b5f8-2d174a2506f1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeDMad Diamond maddiamond 9062a968-a14d-40bd-b11e-c07258fb0b95—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeFBurizon Fort burizonfort 931b4186-9921-44c5-8595-ef5869e5f42f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeHTerrace Hill terracehill ee4a8365-28fe-4878-b021-25c33c59c97c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeIEidam-Sand Lair eidamsandlair 8448340c-6485-452a-bb45-90bd75008582—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeOOrgan-free Man organfreeman 3186d289-4ecc-4be7-9059-05b62e38d2f1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropePBread Pit breadpit 2b1c3830-d0e2-4b86-8a4c-86223b278cab—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeRCyanide Rivers cyaniderivers d3fca1c4-02fb-495c-b8c4-4d82539969c0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeSScreamers in the Storm screamersinthestorm 4534b3a9-fc19-4576-a5c6-f863aab61926—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeTTone Banks tonebanks b1e43820-59cc-4ef5-bb18-24bf507df2ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2021ctuo-20212021–2022EuropeWWin Diesel windiesel 1be290ea-60fa-447f-99a7-cb85edcfa562—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeAArray—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeCCanoes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeEEarthquake—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeJJournals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeMMower—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeNNeedle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropePPatio—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeRRobots—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeSShamans—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeTTransmitter—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeVVolcanoes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2022ctuo-20222022–2023EuropeWWagon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeABeth's Cookies—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeBClubbing—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeCDigitalisation—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeDExpressions—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeEFragmentation—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeFGolem Coordinated Derby—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeGHamster—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeHMovers—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeINatatorium—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeJProglute—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeKScreamers in the Storm—Codeforces Gym
ctuo-2023ctuo-20232023–2024EuropeLWall—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeAFlag Bearer—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeBCowpproximation—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeCReptile Eggs—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeDFishception—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeEPigpartite Giraffe—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeFHamster—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeGPray Mink—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeHOrnithology—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeIP||k Cutting—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeJRabid Rabbit—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeKFellow Sheep—Codeforces Gym
ctuo-2024ctuo-20242024–2025EuropeLWatchdogs—Codeforces Gym
ctuo-2025ctuo-20252025–2026EuropeAArchery—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeBBook Burning—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeCConstantine of Thessaloniki—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeDDucks—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeEEmigrants—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeGGrooves—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeHHussites—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeJJJ the Almighty—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeMMeetings—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeOOrnithology—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeSSnow—Baekjoon Online Judge (wayback) closed 2026-04-28
ctuo-2025ctuo-20252025–2026EuropeTTheatre—Baekjoon Online Judge (wayback) closed 2026-04-28
dalian-2016dalian-20162016–2017Asia EastAWrestling Match—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastBRegular Number—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastCGame of Taking Stones—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastDA Simple Math Problem—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastEAninteresting game—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastFDetachment—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastGGarden of Eden—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastHTo begin or not to begin—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastIConvex—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastJFind Small A—HDU Online Judge (acm.hdu.edu.cn)
dalian-2016dalian-20162016–2017Asia EastKGuess the number—HDU Online Judge (acm.hdu.edu.cn)
dhaka-1998dhaka-19981998–1999Asia West?Walk an Equation—Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2001dhaka-20012001–2002Asia West?A Benevolent Josephus—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?A General Recurrence Relation—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?The Juice Shop—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?Minimal Cover of Prime Implicants—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?Perfect Numbers—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?Rubik's Cube—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?Sequence Alignment—ICPC Live Archive
dhaka-2001dhaka-20012001–2002Asia West?Turn All the Lights Off—ICPC Live Archive
dhaka-2002dhaka-20022002–2003Asia WestAAir Raid—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia WestCDiamonds—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia WestDEnigmatic Travel—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia WestFGet Them All—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia WestGHermes' Colony—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia WestHChat Rooms—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
dhaka-2002dhaka-20022002–2003Asia West?Big Number—ICPC Live Archive
dhaka-2002dhaka-20022002–2003Asia West?Find The Multiple—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Palindrome Numbers—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Mazes in Higher Dimensions—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Cyber cafe—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Unbreakable Floor—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Find the Project—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Strange Research—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Circle Strafing—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Prefix Codes—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Highway Monitor—ICPC Live Archive
dhaka-2003dhaka-20032003–2004Asia West?Volume Measurement—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?All Integer Average—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Overlaying Maps—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Reverse Assignment—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Zeros and Ones—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Count the Points Inside—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Permutation Primes—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?The Fairy Tale of ICPC—ICPC Live Archive
dhaka-2004dhaka-20042004–2005Asia West?Guinea Rats—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Mobile Casanova—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Potentiometers—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Collecting Marbles—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Expression—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?The Luncheon—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Counting Zeroes—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Multiplication—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Paint the Roads—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Protecting Zonk—ICPC Live Archive
dhaka-2006dhaka-20062006–2007Asia West?Battle of the Triangle—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Bachelor Arithmetic—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Nested Squares—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?The Dumb Grocer—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?ACM Puzzles—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Inspector's Dilemma—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?The Bells are Ringing—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Photographic Tour—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?You are around me ...—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Infinite Matrix—ICPC Live Archive
dhaka-2007dhaka-20072007–2008Asia West?Magnetic Train Tracks—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Find the Format String—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Switch Bulbs—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Schedule of a Married Man—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Puzzles of Triangles—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Chemical Plant—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Clicking Checkboxes—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Magic Rings—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Line Chart—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Mobile Tower—ICPC Live Archive
dhaka-2008dhaka-20082008–2009Asia West?Stopping Doom's Day—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Emoogle Balance—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?A Digital Satire of Digital Age—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Hyper Box—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?OmniGravity—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Halloween Costumes—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Digital Matrix—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Knockout Tournaments—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Optimal Store—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Network Flow—ICPC Live Archive
dhaka-2010dhaka-20102010–2011Asia West?Hyper Knights—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Binary Matrix—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Candles—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Cards—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Game of Connect—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Guards—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Packing for Holiday—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Pair of Touching Circles—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Treasure Hunt—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?Truchet Tiling—ICPC Live Archive
dhaka-2011dhaka-20112011–2012Asia West?As Long as I Learn, I Live—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Divisibility—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Wedding of Sultan—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Memory Overflow—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Laptop Chargers—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Poker End Games—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Overlapping Characters—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Reduce the Maintenance Cost—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Team Mathematics Olympiad—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Learning Vector—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Guards II—ICPC Live Archive
dhaka-2012dhaka-20122012–2013Asia West?Beauty of Regular Polyhedron—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Falling Ants—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Game of MJ—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Game of Throne—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Pattern Locker—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Pearl Chains—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Two Points Revisited—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Watching the Kangaroo—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?GCD XOR—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Fiasco—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Dromicpalin Substrings—ICPC Live Archive
dhaka-2013dhaka-20132013–2014Asia West?Fill the Cuboid—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Decoding Baby Boos—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?And Or—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?A game for kids—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Flood in Gridland—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Refraction—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Reverse Polish Notation—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Just Some Permutations—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Load Balancing—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Volume of Revolution—ICPC Live Archive
dhaka-2014dhaka-20142014–2015Asia West?Maximum Score—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Automatic Cheater Detection—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Counting Weekend Days—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Toll Management IV—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Owllen—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Sum of MSLCM—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Unique Party—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Honey King—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Design New Capital—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?Numbered Cards—ICPC Live Archive
dhaka-2015dhaka-20152015–2016Asia West?The Hypnotic Spirals—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?A Giveaway—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Game of XOR—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?National Bomb Defusing Squad—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Rational Grading—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Balanced String—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Number of Connected Components—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Extreme XOR Sum—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Harmonic Matrix—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?In the Kingdom of Hirak—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?Prime Distance—ICPC Live Archive
dhaka-2016dhaka-20162016–2017Asia West?8-ball Rack—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Brick Walls—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Bracket Sequence—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Making a Team—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Christmas Tree—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Leap Birthdays—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Megamind—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?XOR Path—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Angry Birds Transformers—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Divisors—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Substring Sorting—ICPC Live Archive
dhaka-2017dhaka-20172017–2018Asia West?Bermuda Polygon—ICPC Live Archive
dhaka-2025dhaka-20252025–2026Asia WestAMission Hexa—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestBBoulevard of Broken Cars—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestCGas Reservoir—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestDSave the Wonderland—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestELove Marriage—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestFMorning Walk—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestGNonogram—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestHOptimal Balancing Strategy—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestITwo Strings Attached—Codeforces Gym
dhaka-2025dhaka-20252025–2026Asia WestJC-Style String Length—Codeforces Gym
east-na-2023east-na-20232023–2024North AmericaAA Pivotal Question apivotalquestion 64627e11-4e5e-4191-b606-620ef04a9c20—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaBB Road Band broadband bf56aff0-af33-4af6-b1a4-55712b4b4645—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaCProf. Fumblemore and the Collatz Conjecture coltype 577cc4e5-c2e7-41b9-9e9f-6d33fd91ed10—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaDConvex Hull Extension convexhullextension b04616a8-e17b-44d7-b810-31ae9eafa566—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaECornhusker cornhusker 4c2802f0-3bc5-4d7e-9cc6-f634cc2a5e89—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaFDouble Up doubleup 2c597894-5b81-4408-ad4f-60b2e5378b64—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaGForest for the Trees forestforthetrees2 574db6a7-cd14-4c45-87f6-eb4a49775e3a—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaHImpartial Strings impartialstrings 5c52d35c-818a-42ea-81dc-d133a55bfa97—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaIISBN Conversion isbnconversion 02ebcd17-1a7d-41bd-a178-7779f909c94f—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaJPearls pearls 6a776ede-23e3-4074-b214-71bee5f56e33—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaKSplit Decisions splitdecisions 29de33ed-1484-4c6a-bba4-0705a0c22514—Kattis · Kattis
east-na-2023east-na-20232023–2024North AmericaLA (Fast) Walk in the Woods walkinthewoods 890ef1c3-cc8b-415e-b812-5a52a4ee879e—Kattis · Kattis
east-na-2024east-na-20242024–2025North America?A Stack of Gold astackofgold fd688acd-482e-49d7-b6e4-71231f6343c8—Kattis
east-na-2024east-na-20242024–2025North America?Average Substring Value averagesubstringvalue 09c7f420-0b02-40d0-8f77-f999048a1bc8—Kattis
east-na-2024east-na-20242024–2025North America?Balancing Art balancingart 41537926-8f10-4fc9-8be6-f211101d4d19—Kattis
east-na-2024east-na-20242024–2025North America?Brownian Bears brownianbears 39df157c-661c-4a88-97b3-fc64b0fd3f00—Kattis
east-na-2024east-na-20242024–2025North America?Fences Make Good Neighbors fencesmakegoodneighbors bf6f9781-717b-4449-a241-7741227e1473—Kattis
east-na-2024east-na-20242024–2025North America?Leapfrog Encryption leapfrogencryption a6c8e6ac-97fc-4c75-b50c-0105ed4b6e08—Kattis
east-na-2024east-na-20242024–2025North America?Marching Orders marchingorders 283dc2a5-5c56-464f-b02b-0fa7cbd02401—Kattis
east-na-2024east-na-20242024–2025North America?Oooh I See ooohisee 85a1c66c-39c1-4f88-a9fa-e355a7d68a5d—Kattis
east-na-2024east-na-20242024–2025North America?Pascal Meets Boole pascalmeetsboole 48ed5045-b45c-4939-bb7f-dd438f14ae26—Kattis
east-na-2024east-na-20242024–2025North America?Pony-less Express ponylessexpress 6ccf4819-ebf6-4e0f-a029-ea14f9832db0—Kattis
east-na-2024east-na-20242024–2025North America?Repetitive Routes repetitiveroutes 3876393a-13be-4dd1-8b9c-0d267642984e—Kattis
east-na-2024east-na-20242024–2025North America?Smart Password Validation smartpasswordvalidation e46dde8d-3e1c-4ada-8c49-d05da35f2b6c—Kattis
east-na-2025east-na-20252025–2026North America?A Little Leftover Pizza alittleleftoverpizza d03a62f0-5dba-4c4b-b72d-a6a6b4a5db5c—Kattis
east-na-2025east-na-20252025–2026North America?Andor Strikes Again andor 40f5d972-a87c-4d6d-b0aa-c70b97720a83—Kattis
east-na-2025east-na-20252025–2026North America?AROD arod 5f9057a0-d501-492d-881d-e9ebc61f485b—Kattis
east-na-2025east-na-20252025–2026North America?But I Want to Win butiwanttowin 82fac984-c5aa-46f5-afc2-f50c3463935e—Kattis
east-na-2025east-na-20252025–2026North America?Chess Solitaire chesssolitaire 99f110a9-8702-4c21-9765-4e1be1bfdc9f—Kattis
east-na-2025east-na-20252025–2026North America?Fractional Sequence fractionalsequence 22f38676-a9d9-477a-853a-97ce7e6c9ec8—Kattis
east-na-2025east-na-20252025–2026North America?How Many Balls? howmanyballs cc7e41f7-0fe8-4e72-b82a-ff070863b544—Kattis
east-na-2025east-na-20252025–2026North America?Move It, Slowpoke! moveitslowpoke 6c3edcd9-6276-42fa-a47e-bf8830654062—Kattis
east-na-2025east-na-20252025–2026North America?Number Pyramid numberpyramid a2c55dbb-a794-44a9-afc2-5536f3fcd779—Kattis
east-na-2025east-na-20252025–2026North America?Polyomino Tiling polyominotiling 6ad48456-53b1-4c94-b9dd-69b32b43a404—Kattis
east-na-2025east-na-20252025–2026North America?Triptych triptych 7ecac1e0-fd73-4972-8e69-adc830847ca5—Kattis
east-na-2025east-na-20252025–2026North America?Valley Gulls valleygulls a9211a0d-0845-4800-a5a5-5c2fd12b49d8—Kattis
ecna-1988ecna-19881988–1989North America?Baudot Data Communication Code—ICPC Live Archive
ecna-1988ecna-19881988–1989North America?Exponentiation—ICPC Live Archive
ecna-1988ecna-19881988–1989North America?Machine Repair Simulation—ICPC Live Archive
ecna-1988ecna-19881988–1989North America?8 Queens Chess Problem—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Lakes—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Comment Removal—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Reverse—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Division—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Decode—ICPC Live Archive
ecna-1990ecna-19901990–1991North America?Equation—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?Scatter Point Plot—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?The Hamming Distance Problem—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?Morse Code Generation—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?Numerical Summation of a Series—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?Anagrams by Stack—ICPC Live Archive
ecna-1991ecna-19911991–1992North America?Follow the Folding Dot—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Pinball Wizard—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Freeze Frame—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?The Search Is Over—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Hip to be Square—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Money For Nothing—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Draggin' The Line—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Pump Up The Volume—ICPC Live Archive
ecna-1992ecna-19921992–1993North America?Bad To The Bone—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Counting Patterns 6c0eeb10-ec2d-474b-a901-6e2132937592—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Transferable Voting—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Number Chains—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Count on Cantor—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Dining Diplomats—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Stamping Out Stamps—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Of(f) Course!—ICPC Live Archive
ecna-1993ecna-19931993–1994North America?Double Trouble—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?TeX Quotes db65c0eb-0631-4271-ad50-08274edb02dc—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Lining Up—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Simply Syntax—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Jack Straws—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Cat and Mouse—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Expanding Fractions—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Egyptian Multiplication—ICPC Live Archive
ecna-1994ecna-19941994–1995North America?Cabinets—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Pi—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Up and Down Sequences—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Machined Surfaces—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Sunrise—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?LED Test—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Word Index—ICPC Live Archive
ecna-1995ecna-19951995–1996North America?Molecules—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Matching Meetings—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Supercomputer Selection, The Sequel—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Polygonal Puzzle—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Word-Search Wonder—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?MPI Maelstrom—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Integer Inquiry—ICPC Live Archive
ecna-1996ecna-19961996–1997North America?Enigmatic Encryption—ICPC Live Archive
ecna-1997ecna-19971997–1998North America?Word Search Wonder 87710345-3e9c-4dea-ba6a-2b991e192629—
ecna-1998ecna-19981998–1999North America?Keeps Going and Going and ...—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Scheduling Lectures—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Counterfeit Dollar—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Metal Cutting—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Street Directions—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Parallel Deadlock—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?DNA Sorting—ICPC Live Archive
ecna-1998ecna-19981998–1999North America?Numbers That Count—ICPC Live Archive
ecna-1999ecna-19991999–2000North AmericaAA Plug for UNIX 310e00fb-af2b-435d-9821-3bae24121a03—ICPC Live Archive
ecna-1999ecna-19991999–2000North AmericaBBiorhythms b02c014d-7403-4bb8-a436-de08bededa84—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-1999ecna-19991999–2000North America?Triangle War—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-1999ecna-19991999–2000North America?Unscrambling Images—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-1999ecna-19991999–2000North America?Treasure Hunt—ICPC Live Archive
ecna-1999ecna-19991999–2000North America?487--3279—ICPC Live Archive
ecna-1999ecna-19991999–2000North America?Gone Fishing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-1999ecna-19991999–2000North America?The Same Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2000ecna-20002000–2001North AmericaAPicnic Planning—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaBPoly-polygonal Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaCRational Approximation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaDStacking Cubes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaEChecker's Check—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaFTo Bet or Not To Bet—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
ecna-2000ecna-20002000–2001North AmericaGBSP Trees—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2000ecna-20002000–2001North AmericaHDouble Trouble—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaAWhat's In A Name?—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaBSorting It All Out—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaCWeb Navigation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaDTrees Made to Order—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaESpace Station Shielding—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaFRoads Scholar—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaGRobots—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2001ecna-20012001–2002North AmericaHSquare Ice—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2004ecna-20042004–2005North AmericaAAlphacode—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2004ecna-20042004–2005North AmericaBAnti-prime Sequences—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2004ecna-20042004–2005North AmericaCHit or Miss—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2004ecna-20042004–2005North AmericaDI Conduit!—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2004ecna-20042004–2005North AmericaERoll Playing Games—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2004ecna-20042004–2005North AmericaFTeam Rankings—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2004ecna-20042004–2005North AmericaGTo and Fro—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2004ecna-20042004–2005North AmericaHTranslations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaAACM (ACronym Maker)—DMOJ · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaBCountdown—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaCThe Game of Efil—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaDQueens, Knights and Pawns—DMOJ · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaEReliable Nets—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaFSquare Count—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaGSwamp Things—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2005ecna-20052005–2006North AmericaHTwo Ends—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
ecna-2006ecna-20062006–2007North AmericaACaterpillar—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2006ecna-20062006–2007North AmericaBHie with the Pie—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2006ecna-20062006–2007North AmericaCMahershalalhashbaz, Nebuchadnezzar, and Billy Bob Benjamin Go to the Regionals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2006ecna-20062006–2007North AmericaDThe Mastermind Master’s Mind—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2006ecna-20062006–2007North AmericaEPlaque Pack—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2006ecna-20062006–2007North AmericaFRoofing It—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2006ecna-20062006–2007North AmericaGSnakes on a Plane—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2006ecna-20062006–2007North AmericaHStake Your Claim—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaACIVIC DILL MIX—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaBA Foldy but a Goody—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaCGive Me an E—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaDLemmings, Lemmings Everywhere. But Not For Long.—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaEOnce Around the Lock—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaFA Puzzling Problem—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaGAnd Now, a Remainder from Our Sponsor—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2007ecna-20072007–2008North AmericaHTarget Practice—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaABordering on Madness—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaBJack of All Trades—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaCLCR—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaDParty Party Party—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2008ecna-20082008–2009North AmericaESu-Su-Sudoku—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2008ecna-20082008–2009North AmericaFTanks a Lot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaGThe Worm Turns—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2008ecna-20082008–2009North AmericaHYou’ll be Working on the Railroad—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaAArithmetically Challenged—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2009ecna-20092009–2010North AmericaBCover Up—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaCDecompressing in a GIF—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaDFlipper—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaEThe Flood—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaFHere’s a Product Which Will Make You Tensor—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2009ecna-20092009–2010North AmericaGTrip the Lights Fantastic—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2009ecna-20092009–2010North AmericaHWindows—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaACut It Out!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaBFlip It!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaCMaze—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaDPhoto Shoot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaEPolar Bear—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaFPro-Test Voting—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaGVampires!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2010ecna-20102010–2011North AmericaHWe’ve Got Chemistry, Babe—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaAThe Agency—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaBChain of Fools—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaCCondorcet Winners—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2011ecna-20112011–2012North AmericaDEveryone out of the Pool—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2011ecna-20112011–2012North AmericaEThe Banzhaf Buzz-Of—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaFGPS I Love You—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaGHave You Driven a Fjord Lately?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaHMobile—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2011ecna-20112011–2012North AmericaIWally World—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2012ecna-20122012–2013North AmericaABabs’ Box Boutique—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaBFlash Mob—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaCHexagon Perplexagon—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaDI’ve Got Your Back(gammon)—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaEParencedence!—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaFRoad Series—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaGShow Me the Money—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaHSofa, So Good—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2012ecna-20122012–2013North AmericaITown Square—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaABattleships—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaBCuckoo for Hashing—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaCPlaying Fair with Cryptography—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaDRent-A-Pixel—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaEStampede!—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaFSuper Phyllis—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaGTree Lighting—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaHThe Urge to Merge—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2013ecna-20132013–2014North AmericaIXenospeak—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaA\(\text{Con}+\cfrac{\text{tin}}{\text{ued}+\cfrac{\text{Frac}}{\text{tions}}}\)—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaBA Cure for the Common Code—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaCDomiyahtzee!—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaDGeneralized Roman Numerals—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaEInspectors—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaFPath of Least Persistence—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaGSpeed Skills—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaHTime Warp—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2014ecna-20142014–2015North AmericaIWatch, Man!—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaABeing Solarly Systematic solarly 64926be9-58cd-4c75-b4fe-6e322c53cacd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaBDelete This! deletethis 2cfaccfd-8ac3-4f67-b4dd-883c85673cf7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaCKenKen You Do It? kenken 46926197-954d-4cc3-96a3-d15d652e22df—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaDRings rings2 a11e1f42-679a-43cd-b254-cd11387a7144—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaESquawk Virus squawk 72bf59b4-c16a-496a-b5a9-9e0a4563c985—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaFTransportation Delegation transportation 49675c43-32d5-4cc5-aee1-0c40d0768196—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaGTray Bien tray 874ee598-33c0-472e-9cc7-431301e52413—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaHTrick Shot trickshot 62c7cf80-1592-4766-b924-e3f1f862bf64—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2015ecna-20152015–2016North AmericaIWhat's on the Grille? grille 4385a816-be4a-42d4-ab54-a82b009dd133—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2016ecna-20162016–2017North AmericaABubbly Troubly bubblytroubly—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaBFoosball Dynasty foosball—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaCThe Key to Cryptography keytocrypto—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaDLost in Translation lost—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaERed Rover redrover—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaFRemoval Game removalgame—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaGThat’s One Hanoi-ed Teacher thathanoi—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaHVin Diagrams vindiagrams—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaIWaif Until Dark waif—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2016ecna-20162016–2017North AmericaJYes, Yes, It’s Nonograms yesyes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · DMOJ · Codeforces Gym
ecna-2017ecna-20172017–2018North AmericaAAbstract Art abstractart 3843526e-b8ef-4cd2-89e3-626220b5889e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaBCraters craters 84d2c332-193e-4a25-bf02-d98a30a736f4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaCDRM Messages drmmessages e06e4108-0652-405d-a39b-e84065f3d54e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaDGame of Throwns throwns 90c915fb-11c2-4210-a152-8409d8137611—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaEIs-A? Has-A? Who Knowz-A? isahasa 73a189e5-0494-4bc4-ae51-87b93812c52a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaFKeeping On Track ontrack d0420981-13fb-47a2-8d6c-a16ad5b2246f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaGA Question of Ingestion ingestion 026368c4-03e1-4899-a575-8d7c9d3e0afe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaHSheba's Amoebas amoebas c4d771a3-eb0d-4c15-b81a-63046a888af0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaITwenty Four, Again twentyfour 4c5ce4c5-1717-4940-847e-0ba257d63dbf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2017ecna-20172017–2018North AmericaJWorkout for a Dumbbell workout 08574e98-026d-475b-b630-0c4d77d29d50—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaACar Vet carvet ae401c17-40ee-464d-8a25-1a2629e71a2e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaBDifference difference 77c960ff-3cd2-41e5-8f65-ae28ceb8b7b1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaCPear-wise Voting pearwise 500f7498-3144-408a-b663-a504df966b02—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaDPizza Cutting pizzacutting 4d00bcff-4607-44b0-9e6b-bf631e5b8d99—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaEThe Punctilious Cruciverbalist punctiliouscruciverbalist caeb1d17-a8c7-47f0-b127-c989a0cadd38—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaFA Random Problem randomproblem 51530326-e612-43b5-a281-db3c31cdf8af—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaGRoman Holidays romanholidays 114dc3c2-df01-428f-b6d6-e13be13f7896—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaHSequential Yahtzee sequentialyahtzee a2aa6cf9-0be0-40a3-bff8-f445786ca2e2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaITours de Sales Force toursdesalesforce 5b23b859-8e1e-4b46-8a58-7e7239227107—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2018ecna-20182018–2019North AmericaJWatch Where You Step watchyourstep 0b6e0a5b-61c8-4c04-896b-add0a6ea167f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2019ecna-20192019–2020North AmericaARetribution! retribution—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaBBio Trip biotrip—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaCCheese, If You Please cheeseifyouplease—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaDFollow the Bouncing Ball followthebouncingball—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaEJust Passing Through justpassingthrough—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaFMusical Chairs musicalchairs—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaGOut of Sorts outofsorts—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaHRemainder Reminder remainderreminder—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaISquare Rooms squarerooms—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaJTaxed Editor taxededitor—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2019ecna-20192019–2020North AmericaKWhere Have You Bin? wherehaveyoubin—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaAAll in the Family allinthefamily e7308f4c-db1f-427b-864e-0e924aaa0796—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaBKinky Word Search kinkywordsearch 49d24ae0-8f63-4766-8141-0000983972ae—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaCMath Trade mathtrade 716d7958-40ed-4b34-a14d-22014d62f9f3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaDOreperations Research oreperationsresearch ccc1a905-8dd2-433b-a525-8cd50b4db9a7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaEOver the Hill, Part 1 overthehill1 3a5b2a5c-b306-456f-a0b8-e588de5c1661—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaFOver the Hill, Part 2 overthehill2 0af8a8fa-6b5e-4b61-bfa2-ce8d187fc68c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaGA Rank Problem rankproblem b140759b-2094-44a1-9ded-a4bdf72ed0e1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaHRestroom Monitor restroommonitor 8f955c9b-9808-4fe3-bdb8-462c851c3d6a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaIScholar's Lawn scholarslawn 7d78684b-a358-4e4c-b083-84547916b3ad—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaJSimply Sudoku simplysudoku 9472a8db-9155-4116-ae6c-65da35df51b1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaKWeighty Tomes weightytomes 4c4d2a57-240a-4c75-8870-0cb8053246a1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2020ecna-20202020–2021North AmericaLWorkers of the World Unite! Just Not Too Close. workers f4552a39-43d2-4c5c-8990-f32025447db2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaA1's For All 1sforall 7ffda769-d494-4a36-9e76-93e6450c7051—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaBAbridged Reading abridgedreading 5eebaea1-0427-442f-8b4f-10792dfa576a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaCBall of Whacks ballofwhacks dc067246-ad6f-4e56-8a03-ebbdbf723295—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaDDownsizing downsizing 12ea5bbc-e4f7-487c-93f3-2bdbd24285f6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaEGambling Game gamblinggame 2a33e6dd-9302-465f-8e85-d792e3533aa8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaFGrowing Some Oobleck growingsomeoobleck 4f1b3f5d-7ba1-411c-8096-3e8a39fbf13d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaGNoonerized Spumbers noonerizedspumbers 5340d02e-f41b-42e9-a10f-f809ca0395e4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaHNumble numble 35658e0c-f16e-4938-890f-f306e82ca1bd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaIPinned Files pinnedfiles 442bc586-3841-42e3-8b26-87944da97ec6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaJRecycling recycling 50949b26-7c63-43d1-8da4-e9b20f20d83e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaKStable Table stabletable 8d684290-b368-4731-a584-2b56bd600454—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaLStatues statues 549bfb93-0e58-415d-a6d2-cb0cef70c8e3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2021ecna-20212021–2022North AmericaMTomb Hater tombhater 558fe49f-87fc-469a-9c7b-770180571701—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaAA-Mazing Puzzle amazingpuzzle—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaBA Musical Question amusicalquestion—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaCCribbage On Steroids cribbageonsteroids—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaDDetermining Nucleotide Assortments nucleotides—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaEHilbert's Hedge Maze hilbertshedgemaze—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaFIt's About Time itsabouttime—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaGPea Pattern peapattern—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaHPicking Up Steam pickingupsteam—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaIRoad To Savings roadtosavings—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaJSimple Solitaire simplesolitaire—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaKTwo Charts Become One twochartsbecomeone—Kattis · Codeforces Gym
ecna-2022ecna-20222022–2023North AmericaLWhich Warehouse? whichwarehouse—Kattis · Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaAA Pivotal Question—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaBB Road Band—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaCConvex Hull Extension—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaDCornhusker—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaEProf.~Fumblemore and the Collatz Conjecture—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaFDouble Up—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaGForest for the Trees—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaHImpartial Strings—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaIISBN Conversion—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaJPearls—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaKSplit Decisions—Codeforces Gym
ecna-2023ecna-20232023–2024North AmericaLA (Fast) Walk in the Woods—Codeforces Gym
ecna-2024ecna-20242024–2025North America?Letter Balloons letterballoons 980da337-3631-4e33-bf40-cb33c56b1d11—Kattis
ecna-2025ecna-20252025–2026North AmericaAA Little Leftover Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaBAndor Strikes Again—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaCAROD—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaDBut I Want to Win—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaEChess Solitaire—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaFFractional Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaGHow Many Balls?—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaHMove It, Slowpoke!—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaINumber Pyramid—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaJPolyomino Tiling—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaKTriptych—Baekjoon Online Judge (wayback) closed 2026-04-28
ecna-2025ecna-20252025–2026North AmericaLValley Gulls—Baekjoon Online Judge (wayback) closed 2026-04-28
egypt-2017egypt-20172017–2018Africa & ArabAAssessments—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabBBreaking the Curse—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabCCheering Parabolas—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabDDream Team—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabEEvaluations—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabFForgot the Flag!—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabGGlorious Stadium—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabHHalf Nice Years—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabIImportant matches—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabJJacked Tickets—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabKKatryoshka—Codeforces Gym · Codeforces Gym
egypt-2017egypt-20172017–2018Africa & ArabLLazy ERCD—Codeforces Gym · Codeforces Gym
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erc-1989erc-19891989–1990Europe?Nesting a Bunch of Brackets—ICPC Live Archive
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erc-1989erc-19891989–1990Europe?Simply proportion—ICPC Live Archive
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euc-2024euc-20242023–2024EuropeBCharming Meals—Codeforces Gym
euc-2024euc-20242023–2024EuropeCAnnual Ants' Gathering—Codeforces Gym
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euc-2024euc-20242023–2024EuropeEDamage per Second—Codeforces Gym
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euc-2025euc-20252024–2025EuropeDMorse Code—Codeforces Gym
euc-2025euc-20252024–2025EuropeEPorto Vs. Benfica—Codeforces Gym
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germany-2010germany-20102010–2011EuropeBCheating or Not—Baekjoon Online Judge (wayback) closed 2026-04-28
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germany-2010germany-20102010–2011EuropeFLast Minute Constructions—Baekjoon Online Judge (wayback) closed 2026-04-28
germany-2010germany-20102010–2011EuropeISoccer Bets—Baekjoon Online Judge (wayback) closed 2026-04-28
germany-2010germany-20102010–2011EuropeJThe Two-ball Game—Baekjoon Online Judge (wayback) closed 2026-04-28
germany-2010germany-20102010–2011EuropeKTo score or not to score—Baekjoon Online Judge (wayback) closed 2026-04-28
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germany-2012germany-20122012–2013Europe?BrainFsckVM brainfsckvm abbdf384-566e-4b27-bf5a-9f0b9ca7b90a—Kattis
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germany-2013germany-20132013–2014EuropeHThe King of the North thekingofthenorth 34f5a758-85f6-44a0-b951-adf9f55eee05—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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germany-2023germany-20232023–2024EuropeGGerman Conference for Public Counting germanconferenceforpubliccounting 660c3795-abd4-4d4b-800b-a3662bcfda93—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeHHighway Combinatorics highwaycombinatorics 55c9134f-0386-4910-866c-24c5d2db9c38—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeIInvestigating Frog Behaviour on Lily Pad Patterns investigatingfrogbehaviouronlilypadpatterns 4fb10631-cb27-477a-aeb3-35717a94f35e—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeJJapanese Lottery japaneselottery 60d39a71-5c28-47ba-94c6-bacef22a2205—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeKKaldorian Knights kaldorianknights 60d39a71-5c28-47ba-94c6-bacef22a2206—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeLLoop Invariant loopinvariant b168aa78-b910-407d-b6f1-a21f08ec342c—Kattis · Codeforces Gym
germany-2023germany-20232023–2024EuropeMMischievous Math mischievousmath cd9e9039-d20d-438f-a1d4-3e2c3656550d—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeAAlien Attack 2 alienattack2 8ee7605a-ac60-80a5-1951-2c9536aabd9c—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeBBookshelf Bottleneck bookshelfbottleneck 8ee7605a-8e12-8763-20f2-cfc6feb9260c—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeCCopycat Catcher copycatcatcher 8ee7605a-39c4-8f6b-01aa-2db4151cea7b—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeDDark Alley darkalley 8ee7605a-65aa-84d7-3602-aedf7577c21b—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeEEven Odd Game evenoddgame 8ee7605a-4eb1-8d67-1d25-b1231ddb69cb—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeFFair Fruitcake Fragmenting fairfruitcake 8ee7605a-5dc8-840a-3976-ac00daf2087a—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeGGeometric Gridlock geometricgridlock 8ee7605a-3fa0-8f55-2b6f-210f77c62819—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeHHeadline Heat headlineheat 8ee7605a-7881-8cff-003f-3b431f4b1e68—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeIInterference interference 8ee7605a-9add-8bda-015a-1c55130dbcb9—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeJJigsaw Present jigsawpresent 8ee7605a-a0c0-8415-2f5a-9a1b2bebe7da—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeKKitten of Chaos kittenofchaos 8ee7605a-b82d-88a3-0f96-77678044a754—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeLLaundry laundry 8ee7605a-fa18-8cfa-3de6-fef57797b8fd—Kattis · Codeforces Gym
germany-2024germany-20242024–2025EuropeMMusical Mending musicalmending 76463973-1815-491b-8b5a-dc182105aa10—Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeAAround the Table aroundthetable 8ee7605a-261a-87c5-3c15-2c1b7b4e4af4—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeBBustling Busride bustlingbusride 8ee7605a-6c46-80dc-0b3c-0eb041e8c2a6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeCCongklak congklak 8ee7605a-9562-80a8-18dc-7b5ef642cb4d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeDDemand for Cycling demandforcycling 8ee7605a-4286-888f-0bb9-e58c75c97924—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeEEngineering Excellence engineeringexcellence 8ee7605a-407e-89bd-05d3-648e0527ab73—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeFFair and Square fairandsquare 8ee7605a-c554-8248-3270-f651becfa244—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeGGenerating Cool Passwords Company generatingcoolpasswordscompany 8ee7605a-523a-856a-358c-fc9760f83e69—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeHHappy Hookup happyhookup 8ee7605a-40ce-8c04-04c8-f183c4650863—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeIIsland Urbanism islandurbanism 8ee7605a-1545-8102-1be5-8ef2be275754—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeJJumbled Packets 8ee7605a-21bd-8a71-30ce-4ff82eca204f—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
germany-2025germany-20252025–2026EuropeKKarlsruhe Skyline karlsruheskyline 8ee7605a-b81b-8fb7-27fc-e31d81dc4dfb—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeLLabour Laws labourlaws 8ee7605a-7cc9-8d39-0435-547cf48e4732—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2025germany-20252025–2026EuropeMMex Hex mexhex 8ee7605a-7f95-888e-3be5-2b88ee551e8a—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeAAttracting Attendees attractingattendees 8ee7605a-fec7-8e87-01a8-f6ae686a42fb—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeBBye Bye Bilbo byebyebilbo 8ee7605a-1df3-84a0-3fe2-bc7f23d55bf6—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeCCrosses and Circles crossesandcircles 8ee7605a-4e03-82f2-2085-2492b8997749—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeDDelphi Danger delphidanger 8ee7605a-e271-87a2-2767-99e9ef721b26—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeEEgocentric Expedition egocentricexpedition 8ee7605a-66ab-867c-2e15-aa0a6bf99522—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeFFighting Fraud fightingfraud 8ee7605a-e95e-830f-3c6b-6d48ee1c8545—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeGGarbled Garden garbledgarden 8ee7605a-5d3e-8a5d-2639-6e07bdb49c51—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeHHistorical Hits historicalhits 8ee7605a-c804-8f3b-1b73-3b6370a93a66—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeIIncremented Itinerary incrementeditinerary 8ee7605a-6670-8230-3fef-7a6aeb63dde4—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeJJunior Joining juniorjoining 8ee7605a-3628-8d48-3009-29f9877664f0—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeKKeeping Cows keepingcows 8ee7605a-6455-8d54-3769-6822fd156620—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeLLyrical Leisure lyricalleisure 8ee7605a-1b86-85f2-04c1-fd6fb6887db8—Kattis · Codeforces Gym
germany-2026germany-20262026–2027EuropeMMirror Magic mirrormagic 8ee7605a-dac0-8d89-3bcd-1372dbaaec92—Kattis · Codeforces Gym
gny-1997gny-19971997–1998North America?One Little, Two Little, Three Little Endians—ICPC Live Archive
gny-1997gny-19971997–1998North America?A Major Problem—ICPC Live Archive
gny-1997gny-19971997–1998North America?The Incredible Hull—ICPC Live Archive
gny-1997gny-19971997–1998North America?Last Name First, Please—ICPC Live Archive
gny-1997gny-19971997–1998North America?Bundling Newspapers—ICPC Live Archive
gny-1997gny-19971997–1998North America?The Forrest for the Trees—ICPC Live Archive
gny-2000gny-20002000–2001North AmericaBProblem Bee—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North AmericaDScramble Sort—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North AmericaEA Well-Formed Problem—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North AmericaFEntropy—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North AmericaGN-Credible Mazes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North AmericaHSPF—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2000gny-20002000–2001North America?u Calculate e—ICPC Live Archive
gny-2000gny-20002000–2001North America?Digital Roots—ICPC Live Archive
gny-2001gny-20012001–2002North AmericaAColor Me Less—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaBP,MTHBGWB—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaCPlato's Blocks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaDBode Plot—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaEFollow My Logic—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaFMicroprocessor Simulation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaGRound and Round We Go—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaHTo The Max—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2001gny-20012001–2002North AmericaISet Me—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2002gny-20022002–2003North America?The Drunk Jailer 2f2c3a3c-f028-4763-8842-d4f008c32af2—
gny-2003gny-20032003–2004North America?Biker's Trip Odometer c328df25-6700-4c14-97e7-5a8d66cd10f0—
gny-2004gny-20042004–2005North AmericaHHistology Assistant—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2005gny-20052005–2006North AmericaDKindergarten Graduation—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2005gny-20052005–2006North AmericaEBrainf*ck—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2005gny-20052005–2006North AmericaGNo Fold’em Hold’em—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2006gny-20062006–2007North AmericaCShuffle’m Up—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2007gny-20072007–2008North AmericaGModel Rocket Height—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2008gny-20082008–2009North AmericaBCryptoquote—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2010gny-20102010–2011North AmericaFI²C—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2011gny-20112011–2012North AmericaFQR—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2012gny-20122012–2013North AmericaCPen Counts—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2012gny-20122012–2013North AmericaGMad Veterinarian—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2012gny-20122012–2013North AmericaHWindmill Animation—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2012gny-20122012–2013North AmericaIPush-To Telescope—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2012gny-20122012–2013North AmericaXMystery—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2013gny-20132013–2014North AmericaAIslands in the Data Stream—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2013gny-20132013–2014North AmericaFChomp—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2013gny-20132013–2014North AmericaIContraband—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2014gny-20142014–2015North America?A Rational Sequence rationalsequence ad6bf244-9c8f-44f9-9bb7-a8be8a73d04a—Kattis
gny-2014gny-20142014–2015North America?Farey Sums fareysums 01bb4e98-65cf-4973-a9ea-ae834eb87486—Kattis
gny-2014gny-20142014–2015North America?Floating-Point Format Conversion conversion b5b80652-0567-4baf-a216-41efad4330d2—Kattis
gny-2014gny-20142014–2015North America?Growing Rectangular Spiral rectangularspiral be9e9750-3ec5-4b55-a721-f941a247397c—Kattis
gny-2014gny-20142014–2015North America?Happy Happy Prime Prime happyprime 6686ff49-c834-498f-899c-814e85cf8c4c—Kattis
gny-2014gny-20142014–2015North America?Height Ordering height 821e2d45-9e6f-4cba-8c71-6f57372a0546—Kattis
gny-2014gny-20142014–2015North America?Islands in the Data Stream islands 3d16d710-8ee7-4ccb-9516-fc231d7cdc83—Kattis
gny-2014gny-20142014–2015North America?Mancala mancala 9cb3bae7-a702-41ae-bf65-6008baeefd06—Kattis
gny-2014gny-20142014–2015North America?The Queen's Super-circular Patio queenspatio c94b359e-83ab-4fd9-906f-6cdbb0680261—Kattis
gny-2015gny-20152015–2016North AmericaASum Kind of Problem sumkindofproblem 86c47871-3db8-46bc-8bbf-4cd8fd2e5dc0—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaBRunning Steps runningsteps 191e034c-8976-48aa-a6d5-258b144d552d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaCImmortal Porpoises porpoises bb5f6277-ca9f-423e-8748-4a3e3cf5622d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaDFarey Sequence Length farey 82e9d8f6-0f61-4b9a-84e1-5c300362bcf6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaEA Rational Sequence 2 rationalsequence2 b4e240a3-f93f-4d3a-a60a-a25b37f187ae—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaFRobots robots 8f750140-e1bf-47f5-a093-4f06ce8291dd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaGCompositions compositions a7427ccc-fa8a-47c6-b615-4c39a6cf14f4—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaHBrocard Point of a Triangle brocard 57ac2140-a494-433f-a30b-9bbc41f39841—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2015gny-20152015–2016North AmericaIRATS rats 06a786c5-0f90-452e-9539-be2a47bdf790—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaBFBI Universal Control Numbers fbiuniversal de75463d-c444-4867-8fa5-53802cd9a7f6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaCm-ary Partitions marypartitions f45f0262-62d0-421f-9edc-a3613dc26fb2—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaDA Rational Sequence (Take 3) rationalsequence3 fffeeb4b-11b1-4612-9a20-1894e21c5ab9—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaEPermutation Descent Counts permutationdescent e36a3728-6718-42d7-a8c1-e2de3e74cbd1—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaFTight-Fit Sudoku tightfitsudoku f2bcb2aa-8a74-44a0-bf2c-85e3a5a54920—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaGMagical Mystery Knight's Tour magicalmysteryknight 0fda1f1f-c4dc-4fb0-b81e-81a551de53c3—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North AmericaJSmoothed Gardens smoothedgardens 8ecf4e97-486f-4275-9fe1-a68bb6aecd27—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2016gny-20162016–2017North America?A Mazing! amazing 2747403d-9934-42e7-bd7d-489e594014ca—Kattis
gny-2016gny-20162016–2017North America?DA-Sort dasort 762332b3-b2f5-4186-ad0d-234903e35a92—Kattis
gny-2016gny-20162016–2017North America?Which Base is it Anyway? whichbase 7d32f34d-9488-4b85-b52b-e5dfcfbe7ab9—Kattis
gny-2017gny-20172017–2018North AmericaAChanukah Challenge chanukah 8f5db7d6-cbb7-4574-9fff-602b16f38b73—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaBSum Squared Digits Function sumsquareddigits 071a7640-e0fc-413d-9499-11cb524bec9d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaCCapsules capsules 332c651f-187f-4042-8155-f4a3a4434bb5—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaDPavers pavers ce3a04c0-fa46-4493-a464-d89a01ddd548—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaEBest Rational Approximation bestrational 1713b332-f454-433a-b17a-6f899cba8e74—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaFThe Components Game componentsgame 96ef8822-cb6c-42d0-92d7-27ce317f6672—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaGSocial Resistance socialresistance cefed910-2013-452b-bbbb-4f0b0186d8ba—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaHTriangle To Hexagon triangle2hexagon 895a37a4-3929-468c-af01-50748cfa51e8—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaISumdoku sumdoku 61203010-14cc-46a3-a40d-6c1fefbccfc0—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2017gny-20172017–2018North AmericaJLittle Toys littletoys 267d6d36-ee22-442b-94ea-2e46cb1729a3—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2018gny-20182018–2019North AmericaAPotato Sacks—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaBMoving Buildings—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaCHedwig’s Ladder—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaDTanks and Pipes—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaEWhat time is it anyway?—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaFLeft-Right-Win—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaGThe Erdös-Straus Conjecture—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaHSubprime Fibonacci Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaIAirspace Regulations—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2018gny-20182018–2019North AmericaJPinemi Puzzles—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaAFYI fyi 40ed8b3c-a183-4127-8c2c-4941c87e2513—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
gny-2019gny-20192019–2020North AmericaBRemdoku—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaCPass the Buck—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaDGerrymandering Criterion—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaECircle Garden—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaFOrigami Fold—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaGSimple Collatz Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaHProblematic Public Keys—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaIIntegers in Rational Bases—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaJHow Many Unicycles in a Wheel?—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2019gny-20192019–2020North AmericaKRegional Team Names—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaABottle Return—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaBComfy Deviations—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaCArthur's Table—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaDMagic Drone—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaEMarbles—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaFChocolate Bar Game—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaGThree Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaHICPC Standings—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaITernary Machine—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaJCardinal Adjacencies—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaKStern’s Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2020gny-20202020–2021North AmericaLEvenly Separated Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaAFootball Scoring—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaBTri-Color Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaCChecker Slide—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaDSequinary Numerals—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaEHow Many Unicycles in a Broken Wheel—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaFSpider-Fly—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaGSimple Collatz Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaHCIDR—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaIThree Spheres and a Tetrahedron—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaJMorse Code Palindromes—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaKPooling PCR Tests—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaLLetterle—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaM7 Segments You Say?—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaNNeighbors—Baekjoon Online Judge (wayback) closed 2026-04-28
gny-2021gny-20212021–2022North AmericaOTransporting Spaghetti—Baekjoon Online Judge (wayback) closed 2026-04-28
guangzhou-2014guangzhou-20142014–2015Asia EastADogs' Candies—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastBThe E-pang Palace—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastCYong Zheng's Death—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastDSignal Interference—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastESong Jiang's rank list—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastFTrain Scheduling—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastGSquared Frequency—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastHHighway—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastILittle Zu Chongzhi's Triangles—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastJYue Fei's Battle—HDU Online Judge (acm.hdu.edu.cn)
guangzhou-2014guangzhou-20142014–2015Asia EastKHow Many Maos Does the Guanxi Worth—HDU Online Judge (acm.hdu.edu.cn)
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Guess the Middle—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Inverse Knapsack—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Inequality Reduction—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Binary Palindrome—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Disconnecting Cities—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Yet Another Balanced Parenthesis Problem—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?F - Beautiful Walk—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Game on Tree—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Telephone Network—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Expected Area—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Mean Problem—CodeChef
gwalior-pune-2019gwalior-pune-20192019–2020Asia West?Safe Robots—CodeChef
hangzhou-2013hangzhou-20132013–2014Asia EastALights Against Dudely—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastBStealing Harry Potter's Precious—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastCZhuge Liang's Password—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastDProblem of Apollonius—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastERandom Number Generator—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastFInfinite Go—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastGAnts—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastHRabbit Kingdom—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastIGems Fight!—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastJTower Defense—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2013hangzhou-20132013–2014Asia EastKCandy Factory—HDU Online Judge (acm.hdu.edu.cn)
hangzhou-2022hangzhou-20222022–2023Asia EastAModulo Ruins the Legend—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastBUseful Algorithm—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastCNo Bug No Game—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastDMoney Game—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastEOscar is All You Need—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastFDa Mi Lao Shi Ai Kan De—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastGSubgraph Isomorphism—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastHRPG Pro League—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastIGuess Cycle Length—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastJPainting—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastKMaster of Both—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastLLevenshtein Distance—Codeforces Gym
hangzhou-2022hangzhou-20222022–2023Asia EastMPlease Save Pigeland—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastASubmissions—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastBFestival Decorating—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastCYet Another Shortest Path Query—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastDOperator Precedence—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastEPeriod of a String—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastFTop Cluster—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastGSnake Move—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastHSugar Sweet II—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastIDreamy Putata—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastJMysterious Tree—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastKCard Game—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastLMaster of Both V—Codeforces Gym
hangzhou-2023hangzhou-20232023–2024Asia EastMV-Diagram—Codeforces Gym
hangzhou-2024hangzhou-20242024–2025Asia East?AUS—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Barkley III—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Catch the Star—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Dividing Sequence—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Elevator II—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Fuzzy Ranking—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Gathering Mushrooms—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Heavy-light Decomposition—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Identify Chord—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Japanese Bands—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Kind of Bingo—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Let's Go! New Adventure—Luogu 洛谷 (Luògǔ)
hangzhou-2024hangzhou-20242024–2025Asia East?Make It Divisible—Luogu 洛谷 (Luògǔ)
hefei-2015hefei-20152015–2016Asia EastABus Routes—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastBAdvanced Calculator—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastCAutopilot System—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastDImmortality of Frog—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastELand of Farms—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastFMatching Compressed String—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastGAlice's Classified Message—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastHFrog and String—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastIThe Shields—HDU Online Judge (acm.hdu.edu.cn)
hefei-2015hefei-20152015–2016Asia EastJKingdom of Tree—HDU Online Judge (acm.hdu.edu.cn)
hefei-2023hefei-20232023–2024Asia EastASQRT Problem—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastBQueue Sorting—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastCCyclic Substrings—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastDBalanced Array—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastEMatrix Distances—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastFColorful Balloons—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastGStreak Manipulation—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastHComputational Complexity—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastILinguistics Puzzle—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastJTakeout Delivering—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastKCampus Partition—Codeforces Gym
hefei-2023hefei-20232023–2024Asia EastLInformation Spread—Codeforces Gym
hong-kong-2000hong-kong-20002000–2001Asia East?Multiple Exponentiation—ICPC Live Archive
hong-kong-2000hong-kong-20002000–2001Asia East?Complex Arithmetic—ICPC Live Archive
hong-kong-2000hong-kong-20002000–2001Asia East?The Moving Problem—ICPC Live Archive
hong-kong-2000hong-kong-20002000–2001Asia East?Network Watcher—ICPC Live Archive
hong-kong-2000hong-kong-20002000–2001Asia East?Tiling a Board—ICPC Live Archive
hong-kong-2000hong-kong-20002000–2001Asia East?Switch Toggling—ICPC Live Archive
hong-kong-2016hong-kong-20162016–2017Asia East?Colourful Graph colourful 1d63bdf4-674e-4489-81ab-69f4f18bd649—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Doors doors 8cee54b7-750b-4549-a804-dd52d560402d—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Peak Tower peaktower a2745ab3-56a2-4544-8196-b24031d53e7e—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Peak Tram peaktram 2db2dd58-c4b4-44a7-940d-f93878bd0219—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Perfect k-ary Tree perfecttree b325dab9-7266-421a-aa95-22da833d85ba—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Playing with Numbers playingwithnumbers 19cb7149-9bc9-4f75-9718-c71ea6e606fd—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Scaffolding scaffolding 5ec6aef2-2f0c-43fb-ac7f-01a9265f52ce—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Slim Cut slimcut 6ff55ddc-d363-403a-8f59-dd395d0a4bf8—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Special Tour specialtour 1f5767b1-cdf2-4f13-a941-fe6bc3905175—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Taboo taboo 0b0e311a-639e-449f-8ce8-b53d02c1bae8—Kattis
hong-kong-2016hong-kong-20162016–2017Asia East?Team Up teamup 7b8f2a0d-8c5d-46b2-9291-3dfd44288d85—Kattis
hong-kong-2017hong-kong-20172017–2018Asia EastAFermat's Optimization Problem—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastBBlack and White—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastCEquivalence of Sudoku—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastDCard collection—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastEBase Station Sites—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastFNearby Bicycles—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastGOptimal Coin Change—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastHSets—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastICount the Even Integers—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastJTriangle—Luogu 洛谷 (Luògǔ)
hong-kong-2017hong-kong-20172017–2018Asia EastKMarine—Luogu 洛谷 (Luògǔ)
hong-kong-2019hong-kong-20192019–2020Asia EastAAxis of Symmetry—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastBBinary Tree—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastCConstructing Ranches—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastDDefining Labels—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastEErasing Numbers—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastFFalling Objects—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastGGame Design—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastHHold the Line—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastIIncoming Asteroids—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastJJunior Mathematician—Codeforces Gym
hong-kong-2019hong-kong-20192019–2020Asia EastKKey Project—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastATreeScript—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastBBig Picture—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastCPainting Grid—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastDShortest Path Query—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastEGoose, Goose, DUCK?—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastFSum of Numbers—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastGPaddle Star—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastHAnother Goose Goose Duck Problem—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastIRange Closest Pair of Points Query—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastJDice Game—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastKMaximum GCD—Codeforces Gym
hong-kong-2022hong-kong-20222022–2023Asia EastLPermutation Compression—Codeforces Gym
india-2016india-20162016–2017Asia West?Forming Teams Again—CodeChef
india-2016india-20162016–2017Asia West?Robbery 101—CodeChef
india-2016india-20162016–2017Asia West?Maximizing Minimum Distance—CodeChef
india-2016india-20162016–2017Asia West?Pinocchio—CodeChef
india-2016india-20162016–2017Asia West?Jumping Frogs III—CodeChef
india-2016india-20162016–2017Asia West?Lost in the Cave—CodeChef
india-2016india-20162016–2017Asia West?Employee Voice Surveys—CodeChef
india-2016india-20162016–2017Asia West?Pacman—CodeChef
india-2016india-20162016–2017Asia West?Robots of Robin—CodeChef
india-2016india-20162016–2017Asia West?Road Maintenance—CodeChef
india-2016india-20162016–2017Asia West?WiFi Expenses—CodeChef
jakarta-2010jakarta-20102010–2011Asia PacificAWorst Locations—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificBCounting BST—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificCPlaying With Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificDArm Wrestling Tournament—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificELightning Energy Report—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificFTransitive Closure—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificHSerial Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificIRomantic Date—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2010jakarta-20102010–2011Asia PacificJFire Drill—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificAWinning ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificBTravelling Businessmen Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificCNon-Interactive Guessing Number—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificDMake a Forest—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificEParks of Jakarta—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificFRandom Number Generator—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificGNational Disaster: Two Towers—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificHANTS—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificIXEN 3166—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificJMeeting—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificKPermutation—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2017jakarta-20172017–2018Asia PacificLSacred Scarecrows—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2018jakarta-20182018–2019Asia PacificAEdit Distance—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificBRotating Gears—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificCSmart Thief—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificDIcy Land—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificEArtilleries and Defensive Walls—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificFPopping Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificGGo Make It Complete—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificHLexical Sign Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificILie Detector—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificJFuture Generation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificKBoomerangs—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2018jakarta-20182018–2019Asia PacificLBinary String—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificACopying Homework—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificBCleaning Robots—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificCEven Path—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificDFind String in a Grid—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificESongwriter—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificFRegular Forestation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificGPerformance Review—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificHTwin Buildings—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificIMission Possible—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificJTiling Terrace—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificKAddition Robot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2019jakarta-20192019–2020Asia PacificLRoad Construction—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jakarta-2020jakarta-20202020–2021Asia PacificAComic Binge—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificBMoon and Sun—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificCCul-De-Sac Parades—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificDForbidden Card—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificEExchange Bottleneck—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificFShopping Changes—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificGPermutation Transformation—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificHWriting Tasks—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificIRed Black Ball—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificJToken Distance—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificKTree Beauty—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificLRobust Defense—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2020jakarta-20202020–2021Asia PacificMPolice Stations—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificAXOR Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificBBicycle Tour—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificCEnergy Generation—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificDUniform Maker—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificEConcerto de Pandemic—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificFNot One—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificGGreedy Knapsack—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificHCell Game—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificIStable Planetary System—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificJFeeder Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificKWhite-Black Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificLHappy Travelling—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2021jakarta-20212021–2022Asia PacificMMaxdifficent Group—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2023jakarta-20232023–2024Asia PacificAEasy As ABC—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificBButton Pressing—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificCCursed Game—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificDSpaceship Exploration—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificEMerge Not Sort—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificFMaximize The Value—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificGGrid Game 2—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificHTwin Friends—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificIContingency Plan 2—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificJCount BFS Graph—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificKDeck-Building Game—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificLPalindromic Parentheses—Codeforces Gym
jakarta-2023jakarta-20232023–2024Asia PacificMTriangle Construction—Codeforces Gym
jakarta-2025jakarta-20252025–2026Asia PacificAA. Nihilation—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificBBurning Blocks—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificCBinary Grid—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificDCount DFS Graph—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificEMugen E—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificFTwo Sets—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificGGrid Game 2×2—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificHMaximeter—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificIInternational Olympiad in ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificJAND and/or OR—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificKTravelling Taro Trains—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificLDown Right Chips—Baekjoon Online Judge (wayback) closed 2026-04-28
jakarta-2025jakarta-20252025–2026Asia PacificMPredisposed—Baekjoon Online Judge (wayback) closed 2026-04-28
japan-1998japan-19981998–1999Asia PacificBLattice Practices—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia PacificCMobile Phone Coverage—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia PacificDNapoleon's Grumble—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia PacificEPipeline Scheduling—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia PacificFTriangle Partition—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia PacificGBUT We Need a Diagram—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-1998japan-19981998–1999Asia Pacific?Goldbach's Conjecture (II)—ICPC Live Archive
japan-1998japan-19981998–1999Asia Pacific?Digital Racing Circuit—ICPC Live Archive
japan-1999japan-19991999–2000Asia PacificARational Irrationals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificBSquare Coins—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificCDie Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificDTrapezoids—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificEMirror Illusion—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificFHeavenly Jewels—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificGWalking Ant—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-1999japan-19991999–2000Asia PacificHCo-occurrence Search—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificALost in Space—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificBFamily Tree—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificCPush!!—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificDPump up Batteries—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificEThe Devil of Gravity—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificFNumoeba—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia PacificGTelescope—ICPC Live Archive · Aizu Online Judge (AOJ)
japan-2000japan-20002000–2001Asia Pacific?Ether Geometry—ICPC Live Archive
japan-2001japan-20012001–2002Asia PacificAStarship Hakodate-maru—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificBe-Market—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificCFishnet—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificD77377—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificEBeehives—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificFYoung, Poor and Busy—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificGNim—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2001japan-20012001–2002Asia PacificHSuper Star—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificACalling Extraterrestrial Intelligence Again—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificBEquals are Equals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificCGIGA Universe Cup—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificDLife Line—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificEMap of Ninja House—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificFShredding Company—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2002japan-20022002–2003Asia PacificGTrue Liars—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2002japan-20022002–2003Asia PacificHViva Confetti—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificAUnreliable Messengers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificBLagrange's Four-Square Theorem—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2003japan-20032003–2004Asia PacificCArea of Polygons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificDWeather Forecast—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2003japan-20032003–2004Asia PacificEMolecular Formula—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificFGap—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificGConcert Hall Scheduling—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2003japan-20032003–2004Asia PacificHMonster Trap—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificAThe Balance—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2004japan-20042004–2005Asia PacificBMake a Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificCLeaky Cryptography—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2004japan-20042004–2005Asia PacificDPathological Paths—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificEConfusing Login Names—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificFDice Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificGColor the Map—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificHInherit the Spheres—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2004japan-20042004–2005Asia PacificICrossing Prisms—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificASum of Consecutive prime Numbers—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2005japan-20052005–2006Asia PacificBBook Replacement—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificCColored Cubes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificDOrganize Your Train—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificEMobile Computing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificFAtomic Car Race—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificGNetwork Mess—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificHBingo—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2005japan-20052005–2006Asia PacificIShy Polygon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2006japan-20062006–2007Asia PacificAHow I Wonder What You Are!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2006japan-20062006–2007Asia PacificBHow I Mathematician Wonder What You Are!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2006japan-20062006–2007Asia PacificCCubic Eight-Puzzle—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2006japan-20062006–2007Asia PacificDSum of Different Primes—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2006japan-20062006–2007Asia PacificEManhattan Wiring—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2006japan-20062006–2007Asia PacificFPower Calculus—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2006japan-20062006–2007Asia PacificGPolygons on the Grid—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2006japan-20062006–2007Asia PacificHThe Best Name for Your Baby—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2006japan-20062006–2007Asia PacificIEnjoyable Communication—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2007japan-20072007–2008Asia PacificAAnd Then There Was One—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificBPrime Gap—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificCMinimal Backgammon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificDLowest Pyramid—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificEGeometric Map—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificFSlim Span—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificGThe Morning after Halloween—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificHBug Hunt—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificIMost Distant Point from the Sea—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2007japan-20072007–2008Asia PacificJThe Teacher's Side of Math—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2008japan-20082008–2009Asia PacificAGrey Area—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2008japan-20082008–2009Asia PacificBExpected Allowance—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2008japan-20082008–2009Asia PacificCStopped Watches—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2008japan-20082008–2009Asia PacificDDigits on the Floor—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2008japan-20082008–2009Asia PacificESpherical Mirrors—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2008japan-20082008–2009Asia PacificFTraveling Cube—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2008japan-20082008–2009Asia PacificGSearch of Concatenated Strings—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2008japan-20082008–2009Asia PacificHTop Spinning—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2008japan-20082008–2009Asia PacificICommon Polynomial—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2008japan-20082008–2009Asia PacificJZigzag—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2009japan-20092009–2010Asia PacificACubist Artwork—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificBRepeated Substitution with Sed—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificCSwimming Jam—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificDSeparate Points—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificEOrigami Through-Hole—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificFChemist's Math—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificGMalfatti Circles—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificHTwenty Questions—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificIHobby on Rails—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2009japan-20092009–2010Asia PacificJInfected Land—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificAMembership Management—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificBBalloon Collecting—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificCTowns along a Highway—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificDAwkward Lights—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificEThe Two Men of the Japanese Alps—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificFFind the Multiples—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificGTest Case Tweaking—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificHWhere’s Wally—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificIIntersection of Two Prisms—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2010japan-20102010–2011Asia PacificJMatrix Calculator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificAGift from the Goddess of Programming—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificBThe Sorcerer’s Donut—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificCWeaker than Planned—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificDLong Distance Taxi—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificEDriving an Icosahedral Rover—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificFCity Merger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificGCaptain Q’s Treasure—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificHASCII Expression—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificIEncircling Circles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2011japan-20112011–2012Asia PacificJRound Trip—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificAGinkgo Numbers—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificBStylish—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificCOne-Dimensional Cellular Automaton—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificDFind the Outlier—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificESliding Block Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificFNever Wait for Weights—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificGLet There Be Light—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificHCompany Organization—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificIBeautiful Spacing—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2012japan-20122012–2013Asia PacificJCubic Colonies—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificAEqual Sum Sets—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificBThe Last Ant—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificCCount the Regions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificDClock Hands—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificEDragon’s Cruller—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificFDirectional Resemblance—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificGLongest Chain—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificHDon’t Burst the Balloon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificIHidden Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2013japan-20132013–2014Asia PacificJC(O|W|A*RD*|S)* CROSSWORD Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificABit String Reordering—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificBMiscalculation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificCShopping—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificDSpace Golf—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificEAutomotive Navigation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificFThere is No Alternative—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificGFlipping Parentheses—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificHCornering at Poles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificISweet War—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificJExhibition—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2014japan-20142014–2015Asia PacificKL∞ Jumps—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2015japan-20152015–2016Asia PacificADecimal Sequences—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2015japan-20152015–2016Asia PacificBSqueeze the Cylinders—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificCSibling Rivalry—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2015japan-20152015–2016Asia PacificDWall Clocks—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificEBringing Order to Disorder—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificFDeadlock Detection—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificGDo Geese See God?—Aizu Online Judge (AOJ) · Baekjoon Online Judge (wayback) closed 2026-04-28
japan-2015japan-20152015–2016Asia PacificHRotating Cutter Bits—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificIRouting a Marathon Race—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificJPost Office Investigation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2015japan-20152015–2016Asia PacificKMin-Max Distance Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2016japan-20162016–2017Asia PacificARearranging a Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificBQuality of Check Digits—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificCDistribution Center—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificDHidden Anagrams—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificEInfallibly Crack Perplexing Cryptarithm—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificFThree Kingdoms of Bourdelot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificGPlacing Medals on a Binary Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificHAnimal Companion in Maze—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificISkinny Polygon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificJCover the Polygon with Your Disk—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2016japan-20162016–2017Asia PacificKBlack and White Boxes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificASecret of Chocolate Poles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificBParallel Lines—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificCMedical Checkup—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificDMaking Perimeter of the Convex Hull Shortest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificEBlack or White—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificFPizza Delivery—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificGRendezvous on a Tetrahedron—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificHHomework—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificIStarting a Scenic Railroad Service—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificJString Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2017japan-20172017–2018Asia PacificKCounting Cycles—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificADigits Are Not Just Characters—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificBArithmetic Progressions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificCEmergency Evacuation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificDShortest Common Non-Subsequence—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificEEulerian Flight Tour—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificFFair Chocolate-Cutting—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificGWhat Goes Up Must Come Down—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificHFour-Coloring—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificIRanks—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificJColorful Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2018japan-20182018–2019Asia PacificKSixth Sense—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2019japan-20192019–2020Asia PacificAFast Forwarding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificBEstimating the Flood Risk—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificCWall Painting—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificDTwin Trees Bros.—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificEReordering the Documents—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificFHalting Problem—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificGAmbiguous Encoding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificHParentheses Editor—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificIOne-Way Conveyors—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificJFun Region—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2019japan-20192019–2020Asia PacificKDraw in Straight Lines—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificAThree-Axis Views—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificBSecrets of Legendary Treasure—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificCShort Coding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificDColorful Rectangle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificEJewelry Size—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificFSolar Car—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificGTo be Connected, or not to be, that is the Question—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificHLCM of GCDs—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificIHigh-Tech Detective—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificJFormica Sokobanica—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2020japan-20202020–2021Asia PacificKSuffixes may Contain Prefixes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificALoop of Chocolate—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificBLottery Fun Time—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificCReversible Compressio—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificDWireless Communication Network—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificEPlanning Railroad Discontinuation—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificFIt’s Surely Complex—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificGGenealogy of Puppets—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificHCancer DNA—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificIEven Division—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificJThe Cross Covers Everything—Aizu Online Judge (AOJ)
japan-2021japan-20212021–2022Asia PacificKDistributing the Treasure—Aizu Online Judge (AOJ)
japan-2022japan-20222022–2023Asia PacificAHasty Santa Claus—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificBInteractive Number Guessing—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificCSecure the Top Secret—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificDMove One Coin—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificEIncredibly Cute Penguin Chicks—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificFMake a Loop—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificGRemodeling the Dungeon—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificHCake Decoration—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificIQuiz Contest—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificJTraveling Salesperson in an Island—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2022japan-20222022–2023Asia PacificKNew Year Festival—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificAYokohama Phenomena—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificBRank Promotion—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificCFerris Wheel—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificDNested Repetition Compression—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificEChayas—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificFColor Inversion on a Huge Chessboard—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificGFortune Telling—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificHTask Assignment to Two Employees—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificILiquid Distribution—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificJDo It Yourself?—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2023japan-20232023–2024Asia PacificKProbing the Disk—Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificARibbon on the Christmas Present—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificBThe Sparsest Number in Between—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificCOmnes Viae Yokohamam Ducunt?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificDTree Generators—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificEE-Circuit Is Now on Sale!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificFThe Farthest Point—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificGBeyond the Former Explorer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificHRemodeling the Dungeon 2—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificIGreatest of the Greatest Common Divisors—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificJMixing Solutions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificKScheduling Two Meetings—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2024japan-20242024–2025Asia PacificLPeculiar Protocol—Baekjoon Online Judge (wayback) closed 2026-04-28 · Aizu Online Judge (AOJ) · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificATatami Renovation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificBMinimizing Wildlife Damage—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificCSeagull Population—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificDDecompose and Concatenate—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificECutting Tofu—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificFAstral Geometry—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificGCharity Raffle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificHU-Shaped Panels—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificIGame of Names—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificJICPC Board—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificKMembership Structure of a Secret Society—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
japan-2025japan-20252025–2026Asia PacificLCommon Tangent Lines—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
jiaozuo-2018jiaozuo-20182018–2019Asia EastAXu Xiake in Henan Province—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastBUltraman vs. Aodzilla and Bodzilla—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastCSupreme Command—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastDKeiichi Tsuchiya the Drift King—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastEResistors in Parallel—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastFHoneycomb—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastGShortest Paths on Random Forests—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastHCan You Solve the Harder Problem?—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastIDistance—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastJCarpets Removal—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastKCounting Failures on a Trie—Luogu 洛谷 (Luògǔ)
jiaozuo-2018jiaozuo-20182018–2019Asia EastLConnected Subgraphs—Luogu 洛谷 (Luògǔ)
jinan-2020jinan-20202020–2021Asia EastAMatrix Equation—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastBNumber Game—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastCStone Game—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastDFight against involution—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastETree Transform—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastFGcd Product—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastGXor Transformation—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastHPath Killer—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastIRandom Walk On Tree—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastJTree Constructer—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastKKth Query—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastLBit Sequence—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2020jinan-20202020–2021Asia EastMCook Pancakes!—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
jinan-2022jinan-20222022–2023Asia EastATower—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastBTorch—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastCDFS Order 2—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastDFrozen Scoreboard—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastEIdentical Parity—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastFGrid Points—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastGQuick Sort—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastHSet of Intervals—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastIShortest Path—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastJSkills—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastKStack Sort—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastLTree Distance—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2022jinan-20222022–2023Asia EastMBest Carry Player—Luogu 洛谷 (Luògǔ) · Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastAMany Many Heads—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastBGraph Partitioning 2—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastCTurn on the Light 2—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastDLargest Digit—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastEI Just Want... One More...—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastFSay Hello to the Future—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastGGifts from Knowledge—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastHBasic Substring Structure—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastIStrange Sorting—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastJComputational Intelligence—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastKRainbow Subarray—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastLTicket to Ride—Codeforces Gym
jinan-2023jinan-20232023–2024Asia EastMAlmost Convex—Codeforces Gym
jordan-2012jordan-20122012–2013Africa & ArabAFegla and the Bed Bugs—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabBDo Not Disturb!—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabCCasino—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabDFundraised—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabEYou Shall Not Pass!!—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabFIt Is Cold—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabGPasswords—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabHSkill—Baekjoon Online Judge (wayback) closed 2026-04-28
jordan-2012jordan-20122012–2013Africa & ArabIEligibility—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West1SHOP—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West2TRIP—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West3DUP—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West4CHROM—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West5BNKQ—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West6LTBL—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West7HOMWRK—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West8SENTI—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West9DISPER—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West10DISH—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West11RUN—Baekjoon Online Judge (wayback) closed 2026-04-28
kabul-2019kabul-20192019–2020Asia West12KABISA—Baekjoon Online Judge (wayback) closed 2026-04-28
kanpur-2000kanpur-20002000–2001Asia WestBSki Slopes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
kanpur-2000kanpur-20002000–2001Asia West?Boundary Walls—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?The Monkey Dance—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?Error Correcting Polynomials—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?Spaceship Travel—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?Maze—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?Terrain Traversal—ICPC Live Archive
kanpur-2000kanpur-20002000–2001Asia West?Acid Containers—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?A Round Table Conference—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?A Reputed Doctor's Prescription—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?Marriages in DAMPU community—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?Road Network in a New Township—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?Viewer's Prize in F-TV—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?Execution of a Will—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?Editing a Book—ICPC Live Archive
kanpur-2001kanpur-20012001–2002Asia West?The Most Wanted Man in the History of Mankind—ICPC Live Archive
kanpur-2013kanpur-20132013–2014Asia West?Hard Disk—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Walking Path—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Rich Rhyme—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Family of Recurrences—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Chocolate Division—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Merging Files—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Changing Money—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Multi-Peg Tower of Hanoi—CodeChef
kanpur-2013kanpur-20132013–2014Asia West?Rewarding the Priests—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Convolution—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Beauty and The Array—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Is This a Give Away—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Nicks Landing—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Weighted Necklace—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?B - Prime-partite Graph—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?IPL Begins—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Minimize the Distance—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?Walk 4 steps—CodeChef
kanpur-2019kanpur-20192019–2020Asia West?K-Prob—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?A - Array Balancing—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?B - Bicycle Coloring—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?C - Edge Elimination—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?D - Empty Intersection—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?E - Merging Maximum—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?F - Minimize Minimum—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?G - Penny Pinching—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?H - Prefix Game—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?I - Prefix MEX Equation—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?J - Recursion—CodeChef
kanpur-2025kanpur-20252025–2026Asia West?K - Tree Hail Conjecture—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Election Campaign—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Olympic Village—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Stairway Reduction—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Building Township—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?One-Way Roads—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Ant Colony—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Message Coding—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Toy Exchange—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Sequence Alignment—CodeChef
kharagpur-2013kharagpur-20132013–2014Asia West?Nomad Camp—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Drawing Contest—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Sequence Containment—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Kings Dinner—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Interview Scheduling—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Robot Movement—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?BlindDate Contest—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Tour Planning—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Pilgrimage—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Irrigating Farms—CodeChef
kharagpur-2014kharagpur-20142014–2015Asia West?Finding Exponent—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Finding Seats—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Path by a Castle—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Timestamps—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Sweet Shops of Kolkata—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Coal mines of Kharagpur—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Optimal Partition—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Painting a Town—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Coal Mafia and Toll Tax—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Monetize Mania—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Bus Routes—CodeChef
kharagpur-2016kharagpur-20162016–2017Asia West?Cookie Flavors—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?E - Make it Zero—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Mafia Syndicate—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?A Triangle and Two Squares—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Count Periodic Numbers—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Play Piano—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?1-2 Game—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Pseudo Sorting Algorithm—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Maximise the Sum—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Subset Sums Revisited—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Another Game of Life—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?Points, Lines, Triangles and Graphs—CodeChef
kharagpur-2018kharagpur-20182018–2019Asia West?AND on Graph—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Colliding Balls—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Special Graph Construction—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Minimum Variance—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Colorful Balloons—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Awkwardness Minimization—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?C - Recover Array—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Train or Walk—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Direct Segments—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Substring Matching—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Maximize Diversity of an Array—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Chef and Diamonds—CodeChef
kharagpur-2019kharagpur-20192019–2020Asia West?Analytics Load Jobs—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?In a planet far far away—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?The Christmas Gift—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?The Parenthesis Tree—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?The making of a cake—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?Jalebi Bai and Decks of Sweets—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?Samosa Bhai and his Courier Company—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?The Christmas Cookies—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?Antichains—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?Save The Trees—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?The Revenge of Jalebi Bai—CodeChef
kolkata-2015kolkata-20152015–2016Asia West?Wait for it—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Playing World War II—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Extreme Encoding—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Zeroes VII—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Men and Horses—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Divide Me Please—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Precious Stones—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Optimal use of Nuclear Power plant—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Mr Wireless—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Roads—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Quentin Tarantino—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Chef and Points—CodeChef
kolkata-2016kolkata-20162016–2017Asia West?Optimal BST Revisited—CodeChef
korea-2000korea-20002000–2001Asia Pacific?Car Racing—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Work at a library is tough—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Moving Pegs—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Rectangle Coloring—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Match Maker—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Taekwondo—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Lost Lists—ICPC Live Archive
korea-2000korea-20002000–2001Asia Pacific?Coins—ICPC Live Archive
korea-2001korea-20012001–2002Asia PacificACalendar Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia PacificBWooden Sticks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia PacificDHuman Gene Functions—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia PacificEFlip and Shift—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia PacificFMoving Tables—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia PacificGFarmland—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2001korea-20012001–2002Asia Pacific?Modular Multiplication of Polynomials—ICPC Live Archive
korea-2001korea-20012001–2002Asia Pacific?Square Destroyer—ICPC Live Archive
korea-2002korea-20022002–2003Asia PacificANearest Common Ancestors—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2002korea-20022002–2003Asia PacificBMultiply—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2002korea-20022002–2003Asia PacificCFinding Liars—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2002korea-20022002–2003Asia PacificDChristmas Gifts—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2002korea-20022002–2003Asia PacificGThe K-League—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2004korea-20042004–2005Asia PacificDSecret Sharing—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2006korea-20062006–2007Asia PacificBDNA—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2008korea-20082008–2009Asia PacificBMCS—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2012korea-20122012–2013Asia PacificCCritical 3-Path—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2012korea-20122012–2013Asia PacificFPandora—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2012korea-20122012–2013Asia PacificGPattern Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2012korea-20122012–2013Asia PacificJSlicing Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2012korea-20122012–2013Asia PacificLSquare Annulus—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificAAlgorist Club—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificCEureka Theorem—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificFPermutation Cycles—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificHString Transformation—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificIThree Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificJTorus—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2014korea-20142014–2015Asia PacificKTravel Card—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2015korea-20152015–2016Asia PacificBEquilibrium State—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2015korea-20152015–2016Asia PacificDKernel—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2015korea-20152015–2016Asia PacificGPath—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2015korea-20152015–2016Asia PacificHPolynomial—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2015korea-20152015–2016Asia PacificKTree Edit—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificABridge Park—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificCHouse Rental—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificDIndependent Edges—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificEMemory Cell—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificFMeteorites—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificHPower Supply—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificJRoom—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificKRounding—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2016korea-20162016–2017Asia PacificLVirus—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2017korea-20172017–2018Asia PacificABroadcast Stations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificBConnect3—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificCGame Map—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificDHappy Number—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificEHow Many to Be Happy?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificFPhilosopher’s Walk—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificGRectilinear Regions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificHRock Paper Scissors—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificISlot Machines—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificJStrongly Matchable—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificKUntangling Chain—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2017korea-20172017–2018Asia PacificLVacation Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificACircuits—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificBCosmetic Survey—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificCDisks Arrangement—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificDGo Latin—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificELED—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificFParentheses—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificGSecret Code—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificHSimple Polygon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificISquare Root—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificJStarwars—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificKTV Show Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2018korea-20182018–2019Asia PacificLWorking Plan—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2019korea-20192019–2020Asia PacificAFire on Field—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificBGene Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificCIslands—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificDLadder Game—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificENetwork Vulnerability—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificFQuadrilaterals—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificGSame Color—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificHStrike Zone—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificIThread Knots—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificJTriangulation—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificKWasher—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2019korea-20192019–2020Asia PacificLWhat’s Mine is Mine—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2020korea-20202020–2021Asia PacificAAutonomous Vehicle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificBCommemorative Dice—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificCDessert Café—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificDElectric Vehicle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificEImprecise Computer—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificFInk Mix—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificGMobile Robot—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificHNeedle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificIStock Analysis—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificJSwitches—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificKTiling Polyomino—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2020korea-20202020–2021Asia PacificLTwo Buildings—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
korea-2021korea-20212021–2022Asia PacificAAnt Colonies—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificBDouble Rainbow—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificCFind the House—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificDFriendship Graphs—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificEGrid Triangle—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificFJohn’s Gift—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificGLogistical Warehouse 2—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificHPostman—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificISecurity System—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificJSquid Game—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificKStock Price Prediction—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2021korea-20212021–2022Asia PacificLTrio—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificACard Game—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificBCastle Design—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificCEmpty Quadrilaterals—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificDFolding Stick—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificEForbidden Turns—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificFFrog Jump—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificGLinear Regression—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificHLongest Substring—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificIPalindrome Type—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificJParentheses Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificKShuffle Game—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2022korea-20222022–2023Asia PacificLTwo Choreographies—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificAApricot Seeds—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificBBlack Box—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificCFarm—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificDFraction—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificEK-Lottery—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificFLucky Draws—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificGMagic Cards—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificHM. S. I. S.—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificIProduct Delivery—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificJSpecial Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificKTandem Copy—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2023korea-20232023–2024Asia PacificLWalk Swapping—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificABottles—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificBCards Flipping—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificCColorful Quadrants—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificDLadder Update—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificEMausoleum—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificFPair Sorting—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificGPalindromic Length—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificHProtecting Kingdom—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificISquare Stamping—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificJStreet Development—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificKString Rank—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2024korea-20242024–2025Asia PacificLTriangle—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificAAdventurer Dabi—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificBBadge Relay—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificCBay—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificDBookshelf—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificEClean Arrangements—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificFCPEquivalence—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificGExtraterrestrial Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificHFair Problemset—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificIMagic Door—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificJMex Culpa—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificKQuadrants—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificLSegments—Baekjoon Online Judge (wayback) closed 2026-04-28
korea-2025korea-20252025–2026Asia PacificMTriple Fairness—Baekjoon Online Judge (wayback) closed 2026-04-28
kth-2011 non-mainlinekth-2011non-mainline?Base-2 Palindromes base2palindrome 22917891-19c8-4b75-9d3d-92e47dc6d494—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Coast Length coast 416c46ef-4033-4d23-8906-c8aa99ddff8a—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Getting Rid of Coins ridofcoins 09c1c45b-cce7-4922-b192-afd916dc22a8—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Icons in the Toolbar icons ab3619f7-30d1-419d-8471-553c722c12b8—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Kindergarten Excursion excursion f0c10156-f88e-4472-abd2-c296d73be809—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Paintball paintball 3dcb7f78-a374-45e5-9706-48c095426656—Kattis
kth-2011 non-mainlinekth-2011non-mainline?Reversed Binary Numbers reversebinary 949389e1-983e-40fb-adf4-1041a37c5e9e—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Birds on a Wire birds b49a2672-5eb6-47dd-9bca-ff0d0e477a42—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Lifting Walls walls 9c34158c-3e0c-4fc9-ba1a-d6e7f1d204e3—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Pub-lic Good pubs e1a7a7f5-5260-45fa-85ff-bd23efac95ea—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Restaurant Orders orders 52a40e0a-33ae-4ff3-8b93-08ba68250129—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Toilet Seat toilet 2069b93b-1f60-4ba3-9759-fda02a7187e1—Kattis
kth-2012 non-mainlinekth-2012non-mainline?Xor Maximization xormax 9df9bfcc-787b-43fc-8c4a-b595b27f7f27—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Bank Queue bank 949781ee-0639-475a-93ee-75f96893a51c—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Car Game cargame dfe3376e-16f0-4834-9f8d-663d4adfda88—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Chicken Joggers joggers 5df5b15f-c5a3-4262-b68f-fe07845f2082—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Flag Quiz flagquiz 0b984d84-0bdc-4f53-a2c3-fd339ceff51d—Kattis
kth-2013 non-mainlinekth-2013non-mainline?FreeCell freecell 71c26e54-526f-466a-ade7-9c774bcd789f—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Hogwarts hogwarts ebdd354f-5a4f-46f8-86cf-76fc29bf5be0—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Peragrams peragrams 188b472c-ae26-4b54-8850-3688452bdafc—Kattis
kth-2013 non-mainlinekth-2013non-mainline?Vacuum Tubes vacuum 51365aa1-aca7-42e9-85db-6ccde8b0b0ed—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Absurdistan Roads II absurdistan2 207d96f4-ec34-4093-b84d-5f712f44d0b0—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Count von Walken's Fence vonwalken 55148b3d-4b5f-475f-bb1c-8cabf25b50ed—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Cow Crane cowcrane 590ff3fe-958f-4e6a-ba09-f9e4b6705257—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Falling Mugs falling 59b7ad37-187e-4311-aac4-56639a56ca9e—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Intercept intercept 338b4d12-42f0-4bbf-940d-43192f5b9a88—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Numbers On a Tree numbertree d8a438ed-beef-438c-a812-9b7b910f7bdc—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Pizza Problems pizzaproblems 51c30dc5-1692-4c97-a912-1d69967370d0—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Radar radar 39e77aab-0826-4404-8501-7fcf1b906cb6—Kattis
kth-2014 non-mainlinekth-2014non-mainline?Tomosynthesis tomosynthesis e52d10d3-61a1-45bf-bac8-b9f06f9625c4—Kattis
kth-2015 non-mainlinekth-2015non-mainline?A1 Paper a1paper 99b40b7b-a2f5-4d01-9059-7edd7e2648e0—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Absurdistan Roads III absurdistan3 5df4fd1e-f794-4cd7-b67c-605dd6005a1d—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Black Friday blackfriday 9cbcc7ee-4ab0-47dd-bc71-f20369a1ff75—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Odd Binomial Coefficients oddbinom 11529888-fc9f-483f-8d6c-b2f65cd6aa7d—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Proteins proteins 2a1aea9b-2dbb-4767-be9e-7f55c2aab029—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Shibuya Crossing shibuyacrossing 41f68bc7-85f1-4bae-a279-99e4bdb06cfd—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Spock spock dd0c3b86-b4fc-47d0-82f3-1920db791df4—Kattis
kth-2015 non-mainlinekth-2015non-mainline?The Addition Game additiongame bf468af7-73b3-45b2-9e49-15a4bbe6780c—Kattis
kth-2015 non-mainlinekth-2015non-mainline?Xortris xortris 24dc1d53-3226-4825-9132-c49027ae1862—Kattis
kth-2016 non-mainlinekth-2016non-mainline?Another Brick in the Wall ea77a065-013d-43be-9b68-88a1a0fab843—
kth-2016 non-mainlinekth-2016non-mainline?Climbing 35d00ac5-f02d-4b07-9d3d-09dd8d57f943—
kth-2016 non-mainlinekth-2016non-mainline?Dice Betting eb8ad229-c2c0-4bf1-8958-b11108cc7a8a—
kth-2016 non-mainlinekth-2016non-mainline?Hay Bales ebae0c8e-2701-4b71-b609-a17334f20e26—
kth-2016 non-mainlinekth-2016non-mainline?Ironman 2de5bef5-1570-4f8f-ac04-97a46c5dd966—
kth-2016 non-mainlinekth-2016non-mainline?nnnnn 4014a1c4-1caa-46dd-8b17-727e75944052—
kth-2016 non-mainlinekth-2016non-mainline?Racetrack 417c4c3c-ec8e-45ef-8128-74c64f48fc08—
kth-2016 non-mainlinekth-2016non-mainline?Zoning zoning 9e84f821-f359-4ca7-8702-486dd0801d61—Kattis
kth-2017 non-mainlinekth-2017non-mainline?3D Printed Statues 3dprinter 2c6f77fb-5496-4bf3-9760-4497a7a2b753—Kattis
kth-2017 non-mainlinekth-2017non-mainline?EvenOdd evenodd cffc096d-54d8-4de1-904b-d93cadb9619f—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Global Warming globalwarming 959d80fd-2af6-47c8-992b-262bcc49100f—Kattis
kth-2017 non-mainlinekth-2017non-mainline?House of Cards houseofcards 225430b1-cb40-4d56-882a-e468ed0b6d80—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Islands islands2 3b1c7eb3-04c4-4b28-85a2-f2ab718b04de—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Lights Out lightsout e5a7ff61-1d0e-46ba-9cac-ef3604386fda—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Restaurant Bribes restaurantbribes 7d932e34-4746-47cb-babb-8bd1a6c141b9—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Saturn Bees saturnbees 0137a541-a939-4202-b361-e6eaa29cc17b—Kattis
kth-2017 non-mainlinekth-2017non-mainline?Wolf wolf 88e1ade1-f558-4e09-bdd8-485500f78cc0—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Bus Planning busplanning 5b4653db-cb76-4637-bcd3-237921fc144f—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Cars cars 2b355562-f669-4fe6-9bd5-e821896fd1ee—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Color Codes colorcodes 2969d5b9-3213-4d56-9e2b-9372a15341d8—Kattis
kth-2018 non-mainlinekth-2018non-mainline?#exclude<scoring> excludescoring c6701310-e40b-4301-9d98-e51c91cda768—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Mars Window marswindow 3c39c01c-2979-4f3d-9432-8fb25834859d—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Mathemagicians mathemagicians 5597eb0f-4827-4db9-ae0c-1a83f378dea3—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Pairing Socks pairingsocks 6bdcbf0d-6063-4f98-a213-da27324efa9e—Kattis
kth-2018 non-mainlinekth-2018non-mainline?Tree Hugging treehugging 118824a4-f552-4afa-bcb1-9e6f4dd3467e—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Assassins assassins 52b641e2-5aa5-4492-a0fd-a65bc72b07af—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Espresso Bucks espressobucks c406c4a4-0a04-4789-91f3-8b6aa137430f—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Loo Rolls loorolls 6c91360e-f220-43bb-b759-9bc24fd0944b—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Meow Factor 2 meowfactor2 17f27c45-3bb0-4aed-ab50-5cbba965bf08—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Pea Soup and Pancakes peasoup d775eed1-6f01-4c91-a3bb-59477495c66d—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Ski Lifts skilifts cc7fee59-d87d-47ac-8e67-b47a28981e18—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Symmetric Polynomials symmetricpolynomials 38adf22c-8633-463d-83a1-07a27a48c2bf—Kattis
kth-2019 non-mainlinekth-2019non-mainline?Type Charts typecharts 41e833a5-6c09-40cb-b3f2-ba145588372a—Kattis
kth-2020 non-mainlinekth-2020non-mainline?AI Jeopardy aijeopardy 0f3cf213-ead1-4c8f-8b0b-647e8f191d5c—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Bling bling df20c163-8818-4f32-8ab0-61f98ba67981—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Friendly Fire friendlyfire 93f8920a-79df-4cb4-88f7-61b94b385d5e—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Gaggle gaggle 5dc3b365-12e4-43f2-83b8-45d1db6f2476—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Pitch Performance pitchperformance c0851d7f-7fc3-4d2a-b788-43a8e4a08adf—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Proofs proofs 83d4d223-7612-4a4b-8e06-6bc9586b6f76—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Triple Texting tripletexting 8417d024-26ac-498e-8fc5-96c1c3fd05a6—Kattis
kth-2020 non-mainlinekth-2020non-mainline?Winning the Vote winningthevote 9e6a7b03-3b61-4649-b002-0290adf35b41—Kattis
kth-2021 non-mainlinekth-2021non-mainlineAAlto Singing altosinging 90d06dfe-9cec-4527-8d12-85a19bd16709—Kattis
kth-2021 non-mainlinekth-2021non-mainlineBBus Lines buslines cb838d41-5236-4fba-8fc8-6913839d4e17—Kattis
kth-2021 non-mainlinekth-2021non-mainlineCCostly Contest costlycontest 107fe0a7-92b7-429e-b564-57bf32eae9b6—Kattis
kth-2021 non-mainlinekth-2021non-mainlineDDEX Save dexsave 435a2fd6-e146-4923-a285-edf73559f3b3—Kattis
kth-2021 non-mainlinekth-2021non-mainlineEEven Electricity evenelectricity 98de65bf-0bfe-45e5-9572-4a6bee67049a—Kattis
kth-2021 non-mainlinekth-2021non-mainlineFForgotten Homework forgottenhomework 1db48dde-b917-4315-91e1-16cb622dbb59—Kattis
kth-2021 non-mainlinekth-2021non-mainlineGGuessing Circle guessingcircle 43c0f4b7-0840-451e-992b-188604906f22—Kattis
kth-2022 non-mainlinekth-2022non-mainline?99 Problems 99problems 35a5807f-df7f-438e-ae91-5bcd586c1b0a—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Bar Classification barclassification ea981a7c-c204-43f1-9634-3a6a0cbbae22—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Box and Arrow Diagram boxarrowdiagram 32ea144a-e0d4-4f4f-8056-28522a315ae0—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Efficient Bus Routing efficientbusrouting f66ec198-6727-41bf-a81b-7248d63b3a55—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Emergency Exit emergencyexit e12aedac-fc75-40b4-a294-81a4691f9d95—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Name Generation namegeneration 3b8987ea-4422-4fad-b555-ed8fae26ae81—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Patrick's Triangle patrickstriangle 47470167-a475-429f-8440-b5daae2ed935—Kattis
kth-2022 non-mainlinekth-2022non-mainline?Sperhling spehrling 4a4f2bd3-18e9-42bb-a9b6-ef0fd354a3f7—Kattis
kth-2022 non-mainlinekth-2022non-mainline?The Great Egg Hunt thegreategghunt f6acaf4a-d25f-48cf-b64a-9fb9fb223ac4—Kattis
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificAThe Mountain of Gold?—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificBSequence—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificCTurtle Graphics—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificDCircle and Marble—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificEGroup of Strangers—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificFPantun Grader—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificGHari Merdeka—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificHTúnel de Rata—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificIBest Position—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificJSpokes Wheel—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificKBall—Baekjoon Online Judge (wayback) closed 2026-04-28
kuala-lumpur-2014kuala-lumpur-20142014–2015Asia PacificLIrrigation Lines—Baekjoon Online Judge (wayback) closed 2026-04-28
kunming-2020kunming-20202020–2021Asia EastAAC—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastBChessboard—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastCCities—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastDCompetition Against a Robot—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastECounting Binary Trees—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastFGenerating Strings—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastGGift—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastHHard Calculation—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastIMr. Main and Windmills—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastJParallel Sort—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastKRiichi!!—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastLSimone and graph coloring—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2020kunming-20202020–2021Asia EastMStone Games—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastAAmino Acids—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastBBlocks—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastCCup of Water—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastDDivisions—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastEEasy String Problem—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastFFind the Maximum—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastGGlass Bead Game—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastHHelesta—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastIInterval Mex—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastJJust Another String Problem—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastKKing of Gamers—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastLLight of Stars—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
kunming-2021kunming-20212021–2022Asia EastMMountain Is Quiet and Alone—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
lac-2024lac-20242023–2024Latin AmericaAAlmost Aligned—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaBBeating the Record—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaCClever Cell Choices—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaDDiviDuelo—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaEExpanding STACKS!—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaFFair Distribution—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaGGreek Casino—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaHHarmonic Operations—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaIInsects, Mathematics, Accuracy, and Efficiency—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaJJoys of Trading—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaKKMOP—Codeforces Gym
lac-2024lac-20242023–2024Latin AmericaLLED Matrix—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaAAnanna—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaBBrazilian FootXOR—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaCCoatless in Yakutsk—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaDDangerous City—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaEExciting Business Opportunities—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaFFestival Signs—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaGGame of Pieces—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaHHorrible Restaurants—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaIInfinite Arrays—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaJJust Look Up—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaKKeep Fighting—Codeforces Gym
lac-2025lac-20252024–2025Latin AmericaLLED Counter—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaAAnts on a Ring—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaBBooksort—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaCCrop Circles—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaDDropshipping—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaEEye Exam—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaFFun with Balls—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaGGATA-CAT—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaHHoles and Tunnels—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaIInversion Game—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaJJaime's Palace—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaKKitten Greetings—Codeforces Gym
lac-2026lac-20262025–2026Latin AmericaLLate and Disobedient—Codeforces Gym
lebanon-2011lebanon-20112011–2012Africa & ArabDManhattan Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
lebanon-2011lebanon-20112011–2012Africa & ArabECipher—Baekjoon Online Judge (wayback) closed 2026-04-28
lebanon-2011lebanon-20112011–2012Africa & ArabGCalculator—Baekjoon Online Judge (wayback) closed 2026-04-28
lebanon-2011lebanon-20112011–2012Africa & ArabHCrank—Baekjoon Online Judge (wayback) closed 2026-04-28
macau-2020macau-20202020–2021Asia EastAAccelerator—Codeforces Gym
macau-2020macau-20202020–2021Asia EastBBoring Problem—Codeforces Gym
macau-2020macau-20202020–2021Asia EastCClub Assignment—Codeforces Gym
macau-2020macau-20202020–2021Asia EastDArtifacts—Codeforces Gym
macau-2020macau-20202020–2021Asia EastEMountain—Codeforces Gym
macau-2020macau-20202020–2021Asia EastFFixing Networks—Codeforces Gym
macau-2020macau-20202020–2021Asia EastGGame on Sequence—Codeforces Gym
macau-2020macau-20202020–2021Asia EastHFly Me To The Moon—Codeforces Gym
macau-2020macau-20202020–2021Asia EastINim Cheater—Codeforces Gym
macau-2020macau-20202020–2021Asia EastJJewel Grab—Codeforces Gym
macau-2020macau-20202020–2021Asia EastKCandy Ads—Codeforces Gym
macau-2020macau-20202020–2021Asia EastLRandom Permutation—Codeforces Gym
macau-2021macau-20212021–2022Asia EastASo I'll Max Out My Constructive Algorithm Skills—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastBthe Matching System—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastCLaser Trap—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastDShortest Path Fast Algorithm—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastEPass the Ball!—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastFSandpile on Clique—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastGCyclic Buffer—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastHPermutation on Tree—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastILCS Spanning Tree—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastJColorful Tree—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2021macau-20212021–2022Asia EastKLink-Cut Tree—Luogu 洛谷 (Luògǔ) · Codeforces Gym
macau-2023macau-20232023–2024Asia EastA(-1,1)-Sumplete—Codeforces Gym
macau-2023macau-20232023–2024Asia EastBBasic Equation Solving—Codeforces Gym
macau-2023macau-20232023–2024Asia EastCBladestorm—Codeforces Gym
macau-2023macau-20232023–2024Asia EastDGraph of Maximum Degree 3—Codeforces Gym
macau-2023macau-20232023–2024Asia EastEInverse Topological Sort—Codeforces Gym
macau-2023macau-20232023–2024Asia EastFLand Trade—Codeforces Gym
macau-2023macau-20232023–2024Asia EastGParity Game—Codeforces Gym
macau-2023macau-20232023–2024Asia EastHRandom Tree Parking—Codeforces Gym
macau-2023macau-20232023–2024Asia EastIRefresher into Midas—Codeforces Gym
macau-2023macau-20232023–2024Asia EastJTeleportation—Codeforces Gym
macau-2023macau-20232023–2024Asia EastKUnderstand—Codeforces Gym
malaysia-national-2013malaysia-national-20132013–2014Asia PacificCFilter And Perform—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificDShow Me The Operators—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificETHE SULTAN'S CHAPATI—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificFSAHUR & IMSA’—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificGRICE SACK—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificHRAINFOREST CANOPY—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificIEVEN POSITIVE CLOSURE SUM—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2013malaysia-national-20132013–2014Asia PacificJLIS—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificAFinancial Tsunami—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificBString Permutation—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificCBirthday Graph—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificDBricks on the Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificEStreet Light Pole—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificFConnectivity Potential—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificGGrid Pattern—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificHRailway Station—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificISpeed Limit—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2016malaysia-national-20162016–2017Asia PacificJOuter Triangle Sum—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificAAku Negaraku—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificBCheap Deliveries—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificCEli's Curious Mind—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificDExplorace—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificEMatrix Multiplication Calculator—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificFSum of Subrectangle Areas—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificGWak Sani Satay—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificHStroop Effect—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificISuper Ball—Baekjoon Online Judge (wayback) closed 2026-04-28
malaysia-national-2018malaysia-national-20182018–2019Asia PacificJVirus Outbreak—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2002manila-20022002–2003Asia PacificHSimilarity—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificAAdoraBalls—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificBBalloon Distribution—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificCConvex Quadrilateral—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificDDisco Dance Debacle—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificEExpression—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificFFrog Pushers—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificGGo Go Go Special Action Force!—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificHHandbags—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificIImelda’s Shopping Spree—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificJJack and Jill and Joe—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificKOff the Rails—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2016manila-20162016–2017Asia PacificLLoL Tournament—Baekjoon Online Judge (wayback) closed 2026-04-28
manila-2022manila-20222022–2023Asia PacificAAn Easy Calculus Problem—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificBBetter than Bitcoin—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificCConform Conforme—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificDDomination Devil—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificEEscape from Markov—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificFFactions vs The Hegemon—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificGGallivanting Merchant—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificHHIIT—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificIItem Crafting—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificJJunior Steiner Three—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificKKapitan Amazing—Codeforces Gym
manila-2022manila-20222022–2023Asia PacificLLCG Manipulation—Codeforces Gym
mausa-1996mausa-19961996–1997North America1Cowculations—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America2Intersecting Lines—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America3Hi-Q—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America4Call Forwarding—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America5Making the Grade—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America6Perfection—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America7Shipping Routes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-1996mausa-19961996–1997North America8Slurpys 3d05a951-a0e0-4795-81bc-a96e53f70470—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2000mausa-20002000–2001North America?Double, Double, Toil and Trouble—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?Houses Divided—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?The Computerized Contractor—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?The "I's" Have It—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?A Committee is a Beast with Many Heads and No Brain—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?The New FAA—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?It's time for change—ICPC Live Archive
mausa-2000mausa-20002000–2001North America?Code name: Double-Omega VII—ICPC Live Archive
mausa-2001mausa-20012001–2002North AmericaHOh, Those Achin' Feet—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2001mausa-20012001–2002North America?Financial Management—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?I Think I Need a Houseboat—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?Start Up The Startup—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?A New Growth Industry—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?Algernon's Noxious Emissions—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?FDNY to the Rescue—ICPC Live Archive
mausa-2001mausa-20012001–2002North America?For the Porsche—ICPC Live Archive
mausa-2002mausa-20022002–2003North AmericaCSpelling Be—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2002mausa-20022002–2003North AmericaDApply a Cold Compress—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2002mausa-20022002–2003North AmericaEA Baron Landscape—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2002mausa-20022002–2003North AmericaFIn Defence of a Garden—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2002mausa-20022002–2003North AmericaHChambers Ceramic Conundrum—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2002mausa-20022002–2003North AmericaPFinancial Management—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2003mausa-20032003–2004North AmericaAA Contesting Decision—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaAFilling Out the Team—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaBAuctions R Us—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaCGHOST—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaDDoggone Moles—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaELine of Sight—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaFTangled in Cables—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaGAll Roads Lead to Albuquerque, er, Rome—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaHBalanced Budget Initiative—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2004mausa-20042004–2005North AmericaPA Contesting Decision—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaATake Your Vitamins 9dad6bd1-3b9a-4bb6-bdd2-066a01092fa1—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaCExtrusion 053b16a8-a8a4-46b9-a672-7c507020dc59—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaEMobiles 4617c889-e13a-4e46-96ed-c5d1450f7498—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaFContext-Free Clock 464f3f43-3f29-4166-9bfd-04a18fc395cc—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaGRight-Hand Rule f7aa0caa-107a-4097-a378-c529576aae27—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North AmericaHWordStack 67db5685-f0f7-48ac-9173-174640152bc9—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2005mausa-20052005–2006North America?Packing Dominoes 1d69f872-780a-4d82-88a4-75801482fc77—
mausa-2005mausa-20052005–2006North America?Pasting Strings 081ded45-e481-4d09-85db-7857bfee032d—
mausa-2006mausa-20062006–2007North AmericaBCrosswords Insider—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaCDoors and Penguins—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaDGypsy Moths—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaEMarbles in Three Baskets—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaFGeneric Units Conversion—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaGZoned Out—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2006mausa-20062006–2007North AmericaHShrew-ology—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaBMobiles Alabama—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaCOut of Sight—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaDWitness Redaction Plan—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaESafety in Alchemy—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaFPotholes—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaGBulls and Cows—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2007mausa-20072007–2008North AmericaHThe Turn of the Shrew—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaAClose Enough Computations—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaBI-Soar—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaCTrie, Again Trie—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaDLawrence of Arabia—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaESeries / Parallel Resistor Circuits—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaFCombination Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaGStems Sell—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2008mausa-20082008–2009North AmericaHSignal Strength—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North AmericaBBlock Game fa97e0ac-4bf8-4307-9d86-217c9dcd474c—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North AmericaCParlay Wagering 8a6b31c5-397c-4c94-96ac-d2c28d791647—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North AmericaDThe Ninja Way 78cae9c7-4b93-4034-b35f-6a7b8c9ee593—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North AmericaEExtended Manhattan Distance 3a7aa433-6872-437e-9247-56528497ae11—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North AmericaHWord Ladder 6a7bdebf-31da-4fe3-b61d-79f6b58a96be—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2009mausa-20092009–2010North America?Euclid e527018e-9162-41fd-99d2-815ac0e08275—
mausa-2009mausa-20092009–2010North America?Off the Wall d5ff6289-45b1-47b7-ae6f-5ad38f3dfdcc—
mausa-2010mausa-20102010–2011North AmericaAPalindrometer e07d7e0a-1471-4043-bf33-1dbeae330f62—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaBBalloons b0ef89cf-94e3-4ef5-85fa-65b50c97ac8b—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaCSelling Cells 3f1d6b7e-626e-4bf8-9dbb-ebc6fd1b4755—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaDNot One Bit More 95085797-ffa3-4e0f-a004-88f714b9c325—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaEAbstract Extract 6dd9e267-d44e-4f3d-a1aa-35d156831977—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaFRoller Coaster 771aa2a6-251a-4f73-8791-459d4ebc54ec—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaGSpy Cam 65f77253-0418-4600-8159-281229a91300—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaHUnderground Cables 11e55380-08bc-4305-b1b0-03a8baff3c46—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2010mausa-20102010–2011North AmericaPLunacy—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaBRaggedy, Raggedy—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaCAAAA—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaDThunk and Plunk—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaELosers Are Winners—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaFLine of Sight—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaGStained Glass—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaHRoad Rally—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2011mausa-20112011–2012North AmericaPRoaming Romans—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaAFifty Coats of Gray—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaCCollision Detection—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaDDueling Philosophers Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaEParty Games—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaFFunhouse—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaHTsunami—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2012mausa-20122012–2013North AmericaPSt. Ives—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaAAround and Around We Go around 5801f852-099f-494a-9710-cfb604826c67—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaCBuggy Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaDEnclosure—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaEConstruction Toy—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaFIslands—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaGGhostbusters 2—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North AmericaHPainting the Floodwall—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2016mausa-20162016–2017North America?Periodic Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaAStar Arrangements stararrangements 4c23d8be-891e-4342-9327-cd57a0f04ada—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaBSecurity Badge securitybadge 92c904e7-7474-490a-8667-4a85e6205f51—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaCPurple Rain purplerain a7a8c4b1-695a-4d42-bd2c-20412339562c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaDAvoiding Airports avoidingairports 59ce59a2-3071-4981-9910-886952a7f47b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaERainbow Roads rainbowroads 7a2976e3-dad2-47d8-a70d-9ab552b343bf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaFSpinning Up Palindromes spinningup 35161df9-651d-4646-b7e1-211c385f56c1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaGLong Long Strings longlongstrings 6510a349-369b-4f8f-b440-633062b414f7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2017mausa-20172017–2018North AmericaHHaiku Formatting haikuformatting 086fa59a-8524-4215-9430-ac15083da4b1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2018mausa-20182018–2019North America?Collusion on Two Wheels collusionontwowheels a0e15c03-f5db-46d3-bbcd-823b0d388551—Kattis
mausa-2018mausa-20182018–2019North America?Find Poly findpoly 51c8ed5a-f82e-42a2-8509-a67d970778f2—Kattis
mausa-2018mausa-20182018–2019North America?Lost is Close to Lose lostisclosetolose 3541ff28-d973-40d9-8962-9e3a768122af—Kattis
mausa-2018mausa-20182018–2019North America?Neutral Ground neutralground be811481-cb5c-40a4-8ee9-af97952180fc—Kattis
mausa-2018mausa-20182018–2019North America?Orphan Backups orphanbackups 63243d28-2c89-4b75-bd00-91da5f62c16a—Kattis
mausa-2018mausa-20182018–2019North America?Picking Up the Dice pickingupthedice be254f12-7cc0-41af-ac83-2dc98f9c8209—Kattis
mausa-2018mausa-20182018–2019North America?Playing the Slots playingtheslots 6e3b1b8a-c2b4-4898-afdd-0ca17211f116—Kattis
mausa-2018mausa-20182018–2019North America?Tightly Packed tightlypacked 6f11a339-b811-4384-9116-e4552dafabd5—Kattis
mausa-2019mausa-20192019–2020North AmericaAKafkaesque kafkaesque—Kattis
mausa-2019mausa-20192019–2020North AmericaBThe Deal of the Day thedealoftheday—Kattis
mausa-2019mausa-20192019–2020North AmericaCThis Ain't Your Grandpa's Checkerboard thisaintyourgrandpascheckerboard—Kattis
mausa-2019mausa-20192019–2020North AmericaDPixelated pixelated—Kattis
mausa-2019mausa-20192019–2020North AmericaENever Jump Down neverjumpdown—Kattis
mausa-2019mausa-20192019–2020North AmericaFWeird Flecks, But OK weirdflecksbutok—Kattis
mausa-2019mausa-20192019–2020North AmericaGOn Average They're Purple onaveragetheyrepurple—Kattis
mausa-2019mausa-20192019–2020North AmericaHDon't Fence Me In dontfencemein—Kattis
mausa-2020mausa-20202020–2021North AmericaARating Problems ratingproblems—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaBUnread Messages unreadmessages—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaCAnt Typing anttyping—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaDDominating Duos dominatingduos—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaEExciting Tournament excitingtournament—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaFBad Packing badpacking—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaGPainted Corridors paintedcorridors—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaHTripTik triptik—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaIBitonic Ordering bitonicordering—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaJBasic Basis basicbasis—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaKKth Subtree kthsubtree—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaLLongest Common Subsequence longestcommonsubsequence—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaMMissing Number missingnumber—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2020mausa-20202020–2021North AmericaNNo Thanks! nothanks—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaAEspresso! espresso—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaBUltimate Binary Watch ultimatebinarywatch—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaCConcert Rehearsal concertrehearsal—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaDLand Equality landequality—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaEEven Substrings evensubstrings—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaFBracket Pairing bracketpairing—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaGParking Lot parkinglot—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaHSubprime subprime—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaIWord Puzzle wordpuzzle—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaJCode Guessing codeguessing—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaKTree Number Generator treegenerator—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaLLone Rook lonerook—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mausa-2021mausa-20212021–2022North AmericaMStream Lag streamlag—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeBDate Bugs—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeCRobbery—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeDDreisam Equations—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeFFormatting Text 2b0718d6-61cb-47cc-80ff-0c1ed10d44c3—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeGThe Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000EuropeIS-Trees—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-1999mcerc-19991999–2000Europe?Slash Maze—ICPC Live Archive
mcerc-1999mcerc-19991999–2000Europe?LC-Display—ICPC Live Archive
mcerc-1999mcerc-19991999–2000Europe?Dividing up—ICPC Live Archive
mcerc-2000mcerc-20002000–2001EuropeAAtlantis—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeBCog-Wheels—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeCErdos Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeDNumber Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeEOuroboros Snake—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeFFold-up Patterns—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeGRailroad—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcerc-2000mcerc-20002000–2001EuropeHSmith Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1993mcpc-19931993–1994North America?Dart-a-Mania 6578c49c-8d8f-4c64-b23d-e3cb94597d43—ICPC Live Archive
mcpc-1993mcpc-19931993–1994North America?The Programmer's Hex—ICPC Live Archive
mcpc-1993mcpc-19931993–1994North America?Lost in Space—ICPC Live Archive
mcpc-1993mcpc-19931993–1994North America?Gleaming the Cubes—ICPC Live Archive
mcpc-1993mcpc-19931993–1994North America?A Logical Problem—ICPC Live Archive
mcpc-1993mcpc-19931993–1994North America?Soundex Indexing—ICPC Live Archive
mcpc-1995mcpc-19951995–1996North America1DNA Translation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America2Perfect Cubes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America3A Puzzling Problem—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America4Galactic Import—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America5Basically Speaking—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America6Letter Sequence Analysis—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1995mcpc-19951995–1996North America7Mark-up—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North AmericaAAnother Puzzling Problem 8803dd22-2c52-43c1-a00e-962a8acfbb44—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?Polynomial Showdown—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?The Doors—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?Mapmaker—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?Board Silly—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?Top Dog—ICPC Live Archive
mcpc-1996mcpc-19961996–1997North America?Equation Elation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1996mcpc-19961996–1997North America?18-Wheeler Caravans (aka Semigroups)—ICPC Live Archive
mcpc-1997mcpc-19971997–1998North AmericaAOil Deposits 2d4599c3-fdcd-47e1-bdce-86a92151dba0—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1997mcpc-19971997–1998North AmericaBThe Snail—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1997mcpc-19971997–1998North AmericaCSum It Up—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1997mcpc-19971997–1998North AmericaDSkew Binary—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1997mcpc-19971997–1998North AmericaEHaiku Review—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1997mcpc-19971997–1998North AmericaFWIMP—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaABooklet Printing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaBFinding Rectangles—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaCDon't Get Rooked—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaDSelf Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaEDo the Untwist—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1998mcpc-19981998–1999North AmericaFWord Amalgamation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaAFind the Winning Move—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaBMyacm Triangles—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaCExchange Rates—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaDLoansome Car Buyer—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaEAutomatic Editing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-1999mcpc-19991999–2000North AmericaFRobot Motion—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2000mcpc-20002000–2001North AmericaCColorville colorville 66eede8b-f8e9-4551-9a11-7ac32178711b—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2000mcpc-20002000–2001North AmericaDFalling Leaves fallingleaves 0fd5f5fa-0e7f-4b48-8baa-d1f67a55b729—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2000mcpc-20002000–2001North AmericaEEdge Detection edgedetection bc0b07d8-b223-477b-9533-e1829f5f919c—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2000mcpc-20002000–2001North AmericaFInstruens Fabulam instruensfabulam 7dc49189-ec4f-4838-baf5-3a49bb8c9fa1—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2000mcpc-20002000–2001North America?Easier Done than Said? easierdonethansaid bd064833-86b5-46c0-9308-42d12ed69fe2—ICPC Live Archive · Kattis
mcpc-2000mcpc-20002000–2001North America?The Triangle Game trianglegame 85267044-860e-4c5b-9f5e-a3b67b05a2d5—ICPC Live Archive · Kattis
mcpc-2001mcpc-20012001–2002North AmericaATransmitters—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaBW's Cipher—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaCSplit Windows—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaDIndex Generation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaEHangover—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaFDouble Vision—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2001mcpc-20012001–2002North AmericaGImage Perimeters—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaAProgrammer, Rank Thyself—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaCMagnificent Meatballs—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaDSafecracker—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaEOil Pipeline—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaFTanning Salon—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2002mcpc-20022002–2003North AmericaGJungle Roads—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaAClay Bully—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaBRobots—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaCBright Bracelet—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaDTreadmill—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaEData Mining?—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaFDoubles—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaGFax Regions—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2003mcpc-20032003–2004North AmericaHTournament Brackets—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaAPrimary X-Subfactor Series pxs d0ba406e-45ba-4836-97a2-d9f21ffbe58c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaBTriangle Cuts trianglecuts 915de89d-7e0d-4766-b399-19b1fc14c9be—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaCSymmetric Order symmetricorder ce7f55d6-fe7f-47b4-baea-d2513e8e53bd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaDFlow Layout flowlayout dc673250-d606-4d53-8524-c045a49919fe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaEPermutation Code permcode 6d37d9c1-ab5f-4642-b71d-f34938b4a420—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaFInk Blots inkblots 8ad3e2df-d88f-4e4d-b21e-4e73f2f498fc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2004mcpc-20042004–2005North AmericaGSpeed Limit speedlimit 153ad5d9-ac54-42fb-b9a5-050323be70c9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaAPascal's Travels—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaBOverflowing Bookshelf—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaCConnect—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaDCopier Reduction—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaETime to Graduate—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaFPainter—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2005mcpc-20052005–2006North AmericaINetiquette—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2006mcpc-20062006–2007North AmericaAQuicksum—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2006mcpc-20062006–2007North AmericaBLinear Pachinko—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2006mcpc-20062006–2007North AmericaDFalling Ice—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2006mcpc-20062006–2007North AmericaEFrugal Search—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2006mcpc-20062006–2007North AmericaFGo Go Gorelians—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaATypesetting—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaBThe Seven Percent Solution—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaCSlink—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaDPersistent Bits—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaEHere We Go(relians) Again—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaFElectronic Document Security—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaGGuard—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2007mcpc-20072007–2008North AmericaHRock Skipping—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaBLampyridae Teleportae lampyridaeteleportae 58e350e4-4aac-4ad3-9234-4563ff526661—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaCHex Tile Equations hextileequations c453ea29-4f61-4991-a495-b154731e7cab—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaEBulletin Board bulletinboard b66a96c6-3239-423b-a5d7-18947354272d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaFSerial Numbers serialnumbers 1e0b393b-9763-4da7-8d6c-a663e2d2ed02—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaGLine & Circle Maze linecirclemaze d57a91c2-0e2c-4b3f-9d9d-6c703c5725dd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North AmericaHSteganography steganography 08b4ef86-e780-42f7-bb39-4f0e71a5cf3b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2008mcpc-20082008–2009North America?Parity parity 77cd9022-073c-4d42-8cc6-26e6dabfce76—Kattis
mcpc-2008mcpc-20082008–2009North America?The Bridges of San Mochti bridgesofsanmochti a75ea18e-bad2-469e-a7f0-c6364468e064—Kattis
mcpc-2009mcpc-20092009–2010North AmericaAUp and Down upanddown2 9df7f7f1-1c55-4c0d-9345-1ccdc85d1434—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaBGnome Sequencing gnomesequencing d58b323d-ca7f-48ac-aff8-446570fb3dba—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaCDuLL dull a6533b71-37aa-4f5f-b7e8-4f58df8175dc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaDBlack Vienna blackvienna2 237b64f6-32a1-44b6-ab3c-5bf096af1bb8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaEDuplicate Removal duplicateremoval 854dbf9b-fdde-45a6-8395-70ff4d0e495b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaFRock, Paper, Scissors rps 0c85ab5a-9e4c-4010-b663-699f29828172—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaGA to Z Numerals a2znumerals a8fe90fa-b3da-42fd-951f-32bf43791601—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaHCell Towers celltowers c0488465-a891-4227-a99e-62fd8015fb32—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2009mcpc-20092009–2010North AmericaIRIPOFF ripoff 7a41149a-b220-4032-911e-125cc0fa6e2e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaAJudges' Time Calculation—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaBMad Scientist—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaCVoting—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaDQueen Collisions—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaFTop This—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaGQuick Search—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2010mcpc-20102010–2011North AmericaHImage Compression—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaAGrade School Multiplication—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaBLaser Tag—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaCPizza Pricing—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaERefrigerator Magnets—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaFShut the Box—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2011mcpc-20112011–2012North AmericaHCrash and Go(relians)—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaCAny Way You Slice It—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaDIs the Name of This Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaEThe Mark of a Wizard—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaFLRU Caching—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaGJugglefest—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2012mcpc-20122012–2013North AmericaHBounce—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaAWelcome Party 07b49532-f297-43dc-861c-31b23f927587—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaBRound Robin ddb6125d-22d8-4abe-a432-4a661d0deaac—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaDProbability Paradox e2e6257d-56f6-418c-8d35-1b193fb96a6e—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaELetter Cubes b788785e-81ef-4851-927b-59514ef27cc0—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaGCash Cow 8dd12e78-7f69-4fdd-b07b-106f58e3fa07—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North AmericaHSort Me f5370733-74f8-45fe-9738-bec44392412c—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2013mcpc-20132013–2014North America?Digit Sum 5e327e5f-10df-4533-8ee1-aa013512427d—
mcpc-2013mcpc-20132013–2014North America?Missing Pages 08b04fa3-6663-4dc3-a31a-57a5a16326ea—
mcpc-2014mcpc-20142014–2015North AmericaA(More) Multiplication multiplication 51d297d2-6517-4c69-bb91-15d8ca9d239f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaBFun House funhouse 5905f19e-e3b7-4ae3-bc6c-63bf9835a94f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaCLexicography lexicography 207cdda0-cecc-483c-af94-48e14d9b4903—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaDThe Leprechaun Hunt leprechaunhunt a10e5cb5-7e27-4534-8878-e2918da3c048—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaEWord Cloud wordcloud 26c2d632-5f1c-4464-9558-28d43a32886e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaFThe Maze Makers mazemakers e6766f70-6d54-429b-8916-6e153e71b491—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaGReverse Rot reverserot 35df3057-1fb6-4bdc-8a97-e870bd84ea24—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaHShrine Maintenance shrine 58079f57-73a5-4679-8cb5-b22267b67ad7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2014mcpc-20142014–2015North AmericaIWet Tiles wettiles 895300e6-cb69-45c6-aa3e-66eb050c5782—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2015mcpc-20152015–2016North AmericaBThe Agglomerator agglomerator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaCDance Recital dancerecital—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaDHidden Password hidden—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaEKitchen Measurements kitchen—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaGMosaic mosaic—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaHPyro Tubes pyro—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2015mcpc-20152015–2016North AmericaIWord Clouds Revisited wordclouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaAAs Easy as CAB easyascab c454575c-2018-4a23-90c6-9f3525999713—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaBFalling Apples apples 09528bc7-e163-4955-b376-26d05f7e63c9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaCSquare Deal squaredeal—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2016mcpc-20162016–2017North AmericaDBuggy Robot buggyrobot a5a8bd2d-1265-4977-8c98-890ca4f1f54f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaEConstruction Toy toy 0c8f112a-4aab-4f30-a4b9-2630d16791b2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaFAround and Around We Go around—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2016mcpc-20162016–2017North AmericaGThe Calculus of Ada ada 910e54f4-ee3a-4863-89d6-2335d3f39e0d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaHGhostbusters 2 ghostbusters a3b248d6-875a-4a67-814c-fdecdabbe62f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaIPostal Delivery delivery 441abba4-a53d-4a8a-a555-19133e2befa3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2016mcpc-20162016–2017North AmericaJWindy Path windypath e6e69d00-6038-47c0-99bb-14c75c875c04—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaANine Knights nineknights 8a9cb0a3-bd15-45e5-9da5-3bd295f26014—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaBBatter Up batterup—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2017mcpc-20172017–2018North AmericaCRing String 623a48de-d437-4592-91bf-37962dd4f361—Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2017mcpc-20172017–2018North AmericaDNo Duplicates nodup a8a1537a-3e96-430c-ad20-751159728e4c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaEHoney Heist honeyheist ff459aec-78ad-4bdd-96ef-fc510e4d13d9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaFOrderly Class orderlyclass 899353d2-1151-42d3-b0fd-4baf258a7030—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaGFaulty Robot faultyrobot 74f106a7-b494-4c6c-a687-be0c8f06fd21—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaHHopscotch hopscotch 0be61ba0-64dd-445a-8296-d520f2bd1723—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2017mcpc-20172017–2018North AmericaIThe Uncertainty of Politics politics 71450a5a-5432-45ec-991a-1b97f68ea9ea—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaATreehouses treehouses 6194aa57-5073-4c30-a445-0cb54813e53d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaBExam exam 3cccf51c-3d31-480d-bd2e-f7abc58108ac—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaCCops and Robbers copsandrobbers 9f783635-926b-4093-8563-2de5a225a3e3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaDPoker Hand pokerhand eb0da984-f45f-4611-9df6-4c95e8dcd310—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaECoprime Integers coprimeintegers b5274f1b-ad7b-4ec2-b6a4-fc91c425e1d2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaFGoat Rope goatrope 5dcf66c8-0c10-419b-a6b1-0b3c0dfb7769—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaGIlliteracy illiteracy 55302ddb-df18-4898-b390-270d7ba83f65—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaHHeir's Dilemma heirsdilemma f3ad6161-c6a4-4194-b997-4f7cd0de15c8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaIRandom Manhattan Distance randommanhattan ad0dcfc5-5ac7-4b27-ba21-1bf00baa32df—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaJMobilization mobilization 1807f0db-3dd0-4024-933b-8c81ef9a6303—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2018mcpc-20182018–2019North AmericaKRepeated Substrings repeatedsubstrings 9d328bcf-9818-4563-b983-32fbefd120a1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaABasketball One-on-One basketballoneonone d3e53feb-72c5-43c1-8c7b-3d607e5fdb2f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaBCommemorative Race commemorativerace a58296fa-9dcd-4f5e-a4c1-b00e58a4485e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaCConvoy convoy 6b80c890-b40d-42fa-9084-63e5f617af57—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaDCrazed Boar crazedboar c6dd774a-0666-4d7d-8d40-026729f0a63b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaEDance Circle dancecircle e8a4545e-353c-407c-a345-28b29d19488f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaFDragon Ball I dragonball1 e0878b6f-83e4-4fc2-9731-b38856d4dfba—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaGDragon Ball II dragonball2 cb8454e0-9666-4a31-8c8a-d058751ed2db—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaHFarming Mars farmingmars 53395d01-8d81-4853-9c0c-3b0bd01861f2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaISoft Passwords softpasswords 3209fd55-5917-4d3c-8162-071b0fa27b3e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaJSum and Product sumandproduct 8f601c57-4759-49c4-b887-2516cfcbae05—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaKTrue/False Worksheet truefalseworksheet faab15cf-9769-45ae-a063-a5194116961b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2019mcpc-20192019–2020North AmericaLUmm Code ummcode 19bf4cc8-a553-4261-b40c-f1b7c181e0fe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
mcpc-2020mcpc-20202020–2021North AmericaAAnt Typing anttyping—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaBExam Manipulation exammanipulation—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaCCondorcet condorcet—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaDRainbow Numbers rainbownumbers—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaEPainted Corridors paintedcorridors—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaFRating Problems ratingproblems—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaGExciting Tournament excitingtournament—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaHTriangular Collection triangularcollection—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaITripTik triptik—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaJBad Packing badpacking—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaKMissing Number missingnumber—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaLLongest Common Subsequence longestcommonsubsequence—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaMUnread Messages unreadmessages—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaNBitonic Ordering bitonicordering—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
mcpc-2020mcpc-20202020–2021North AmericaOSmoothie Stand smoothiestand—Kattis
mcpc-2021mcpc-20212021–2022North AmericaAAverage Character averagecharacter—Kattis
mcpc-2021mcpc-20212021–2022North AmericaBBlack and White blackandwhite—Kattis
mcpc-2021mcpc-20212021–2022North AmericaCProblem Set Construction problemsetconstruction—Kattis
mcpc-2021mcpc-20212021–2022North AmericaDDorm Room Divide dormroomdivide—Kattis
mcpc-2021mcpc-20212021–2022North AmericaEOverdraft overdraft—Kattis
mcpc-2021mcpc-20212021–2022North AmericaFFail Them All! failthemall—Kattis
mcpc-2021mcpc-20212021–2022North AmericaGTetris Generation tetrisgeneration—Kattis
mcpc-2021mcpc-20212021–2022North AmericaHTree Hopping treehopping—Kattis
mcpc-2021mcpc-20212021–2022North AmericaIXOR Island xorisland—Kattis
mcpc-2021mcpc-20212021–2022North AmericaJWho Goes There? whogoesthere—Kattis
mcpc-2021mcpc-20212021–2022North AmericaKDiagonals diagonals—Kattis
mcpc-2022mcpc-20222022–2023North AmericaABlueberry Waffle blueberrywaffle—Kattis
mcpc-2022mcpc-20222022–2023North AmericaBTriangle Containment trianglecontainment—Kattis
mcpc-2022mcpc-20222022–2023North AmericaCEverything Is A Nail everythingisanail—Kattis
mcpc-2022mcpc-20222022–2023North AmericaDChampernowne Count champernownecount—Kattis
mcpc-2022mcpc-20222022–2023North AmericaEColor Tubes colortubes—Kattis
mcpc-2022mcpc-20222022–2023North AmericaFFood Processor foodprocessor—Kattis
mcpc-2022mcpc-20222022–2023North AmericaGDigits of Unity digitsofunity—Kattis
mcpc-2022mcpc-20222022–2023North AmericaHHunt the Wumpus huntthewumpus—Kattis
mcpc-2022mcpc-20222022–2023North AmericaIBranch Manager branchmanager—Kattis
mcpc-2022mcpc-20222022–2023North AmericaJAdvertising ICPC advertisingicpc—Kattis
mcpc-2022mcpc-20222022–2023North AmericaKBog of Eternal Stench bogofeternalstench—Kattis
mcpc-2022mcpc-20222022–2023North AmericaLI Could Have Won icouldhavewon—Kattis
mcpc-2022mcpc-20222022–2023North AmericaMCreative Accounting creativeaccounting—Kattis
mcpc-2023mcpc-20232023–2024North AmericaARampant Growth rampantgrowth—Kattis
mcpc-2023mcpc-20232023–2024North AmericaBRange Editing rangeediting—Kattis
mcpc-2023mcpc-20232023–2024North AmericaCChampernowne Verification champernowneverification—Kattis
mcpc-2023mcpc-20232023–2024North AmericaDTournament Matchmaking tournamentmatchmaking—Kattis
mcpc-2023mcpc-20232023–2024North AmericaESegment Drawing segmentdrawing—Kattis
mcpc-2023mcpc-20232023–2024North AmericaFEccentric Excursion eccentricexcursion—Kattis
mcpc-2023mcpc-20232023–2024North AmericaGTriple Sevens triplesevens—Kattis
mcpc-2023mcpc-20232023–2024North AmericaHDiverse Contest diversecontest—Kattis
mcpc-2023mcpc-20232023–2024North AmericaITraining training—Kattis
mcpc-2023mcpc-20232023–2024North AmericaJBalanced Tree Path balancedtreepath—Kattis
mcpc-2023mcpc-20232023–2024North AmericaKCramming for Finals crammingforfinals—Kattis
mcpc-2023mcpc-20232023–2024North AmericaLMatrix Fraud matrixfraud—Kattis
mcpc-2024mcpc-20242024–2025North America?Cascade Centrality cascadecentrality 357555c7-35c3-4308-a854-962b8b17e360—Kattis
mcpc-2024mcpc-20242024–2025North America?Connectedness connectedness 1774045f-c9c7-497b-bb98-d9e44f174fe7—Kattis
mcpc-2024mcpc-20242024–2025North America?Pascal Multiple pascalmultiple 303192d3-637a-4e7b-9c57-fba2eba1f9b6—Kattis
mcpc-2024mcpc-20242024–2025North America?Up and Down upanddown ec351b08-4f71-4e1c-8316-1aecdf74f8bc—Kattis
mcpc-2025mcpc-20252025–2026North America?10 Kinds of People tenkindsofpeople c9df93a1-598d-44a0-b928-4b6b35391625—Kattis
mcpc-2025mcpc-20252025–2026North America?Array Shifting arrayshift 31b043b5-de80-4bb5-a7b5-627e8db7a6f7—Kattis
mcpc-2025mcpc-20252025–2026North America?Artist Who Shall Not Be Named artistwhoshallnotbenamed 8dd531d2-ca76-4bf6-9ebe-366fbc260748—Kattis
mcpc-2025mcpc-20252025–2026North America?Breaking Maze breakmaze 5958792b-1c4f-453f-ac66-8a46f34c34ff—Kattis
mcpc-2025mcpc-20252025–2026North America?Cascade Centrality cascade 8b1040bc-4387-41c8-accd-bacc3e813a7d—Kattis
mcpc-2025mcpc-20252025–2026North America?Easy As CAB easyascab2 368bffe2-6922-48a5-8cb6-e62e76b911f3—Kattis
mcpc-2025mcpc-20252025–2026North America?Intervals intervals0 6c18dad1-a1af-458d-88c4-b7f63ad9114c—Kattis
mcpc-2025mcpc-20252025–2026North America?Pascal Magic pascalmagic 7b8ca41b-e4eb-49f9-99a3-b86a17ba0621—Kattis
mcpc-2025mcpc-20252025–2026North America?Permanent permanent 45d42491-ce2d-4809-bc39-a33c93cdd4d5—Kattis
mcpc-2025mcpc-20252025–2026North America?Road to Rome roadtorome 2050a1b5-2684-419c-a265-11b874f87cca—Kattis
mcpc-2025mcpc-20252025–2026North America?Skyline Reconstruction skylinereconstruction 1b31e711-e8ef-4e06-beaf-3eb537186c39—Kattis
mexico-2019mexico-20192019–2020Latin AmericaAAlgorithm Teaching—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaBBuild the Perfect House—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaCCut Inequality Down—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaDDazzling Stars—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaEEggfruit Cake—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaFFabricating Sculptures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaGGluing Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaHHold or Continue?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaIImprove SPAM—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaJJumping Grasshopper—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaKKnow your Aliens—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaLLeverage MDT—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2019mexico-20192019–2020Latin AmericaMMountain Ranges—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2020mexico-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2021mexico-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2022mexico-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaAAnalyzing Contracts—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaBBlackboard Game—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaCCandy Rush—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaDDeciphering WordWhiz—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaEElevated Profits—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaFForward and Backward—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaGGPS on a Flat Earth—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaHHealth in Hazard—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaIInversions—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaJJourney of the Robber—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaKKeen on Order—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaLLatam++—Codeforces Gym
mexico-2023mexico-20232023–2024Latin AmericaMMeeting Point—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaAAppend and Panic!—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaBBiketopia's Cyclic Track—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaCCindy's Christmas Challenge—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaDDiverse T-Shirts—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaEEvereth Expedition—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaFFinding Privacy—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaGGrand Glory Race—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaHHeraclosures—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaIInversion Insight—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaJJigsaw of Shadows—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaKKool Strings—Codeforces Gym
mexico-2024mexico-20242024–2025Latin AmericaLLatin Squares—Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mexico-2025mexico-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
mongolia-national-2018mongolia-national-20182018–2019Asia PacificAМонгол ардын үлгэр—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificBХаалт—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificCТоглоом—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificDAnd—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificEЖагсаал—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificFГоё тоо—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificGХоёртын хайлтын мод—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificHБас нэгэн Графын бодлого—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificIГэмт хэрэг—Baekjoon Online Judge (wayback) closed 2026-04-28
mongolia-national-2018mongolia-national-20182018–2019Asia PacificJДайн—Baekjoon Online Judge (wayback) closed 2026-04-28
moscow-2021moscow-20212021–2022Northern EurasiaAA Non-Palindromic Modification—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaBGleb and Liteyny Avenue—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaCSocks Drying—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaDChristmas Children Circle—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaEConstruct The Integer—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaFBuild the Non-Cactus—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaGDouble Elimination—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaHRoman Palindromes—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaI1\%-Euclidean—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaJSpectacular Ending—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaKEfficient Interception—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaLFoodSberry—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaMFine Trip—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaNInteger Perimeter—Codeforces Gym
moscow-2021moscow-20212021–2022Northern EurasiaOTreeshop—Codeforces Gym
nac-2020nac-20202019–2020North AmericaAAnother Coin Weighing Puzzle anothercoinweighingpuzzle 480ed78c-b43b-4063-9b89-b782124cef31—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaBMini Battleship minibattleship d69c8b1b-d612-4e58-a836-7e95a12b94cd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaCBomas bomas 3fd575c7-10fb-452e-a9c2-5076235cb631—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaDAll Kill allkill 50abaf02-5802-44cd-b5ac-94c52ce4dce6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaEGrid Guardian gridguardian b71b00a3-e9ee-48ba-9f83-603fe6aa6383—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaFHopscotch 50 hopscotch50 b42406ac-c8e8-49af-bc9b-288673def660—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaGICPC Camp icpccamp a227dc63-b7c3-430a-890a-273f1027bba0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaHLetter Wheels letterwheels 7d6c7fdb-29ee-4363-b626-72537dbbb2b5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaIEditing Explosion editingexplosion 127fe305-5277-49d5-8bbe-fa5f22782d73—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaJLunchtime Name Recall lunchtimenamerecall e4b04918-1c2b-4171-bdff-0aff4f187a28—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaKRooted Subtrees rootedsubtrees 54249344-eab2-4b85-8c1f-11276554d7d7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2020nac-20202019–2020North AmericaLTomb Raider tombraider 29af7065-f365-4030-9fb6-c81f7b76d44f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaAAND Permutation andpermutation db7191d0-d983-4ccc-b797-d2fb97039893—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaBApple Orchard appleorchard 2d38c8a2-36e5-403b-a3de-0a92732b771d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaCCleaning Robot cleaningrobot 6251c503-65e3-495c-994d-b3e3d93e581a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaDContest Construction contestconstruction 033447f2-1078-4cf1-9a7c-827bc34a7475—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaEKetek Counting ketekcounting ad73dc90-dfc7-4245-85c1-3d83858747ce—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaFMountainous Palindromic Subarray mountainouspalindromesubarray 5677104f-6e7a-4eac-97b8-85ed9b2546be—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaGPermutation CFG permutationcfg 92bbbecd-151c-41e4-ae03-5fa0f437cc91—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaHSpecial Cycle specialcycle e8a62a78-1623-4ea5-9318-92ba71aae8ef—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaIThe King's Guards thekingsguards 41a85ebe-d9a0-430e-a01e-b8166619d59a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaJThe Paladin thepaladin f5af8ce1-b1a3-41a5-8095-bc35570f4244—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaKToken Game tokengame 941bdbf6-619e-4616-85b5-7c778b7ae7c8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaLTraveLog travelog 81db7228-d8ee-4629-ba09-ce803af88bff—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2021nac-20212020–2021North AmericaMYou be The Judge, Again youbethejudge2 d5b87c02-5536-4876-8f2e-ba22270f529e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaAContact Tracing contacttracing2 1f6f0688-8c8d-48f9-bec9-729b24a12e7d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaBCookie Cutter cookiecutter2 85c5ffe3-bef5-495e-ad5e-00651b5e1fca—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaCCram cram cba0f000-b93b-4700-a792-2ed3216162d6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaDDouble Sort doublesort fa17b611-352d-4787-a105-38c1b173200b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaEGCD Harmony gcdharmony 2d331cfc-2b68-4a92-b519-19b40b017546—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaFLeaderboard Effect leaderboardeffect 8e013e25-7361-4f7f-92bc-3069d2393d10—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaGRafting Trip raftingtrip b3754b5d-9160-4bd0-bc88-3c678e1160a9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaHRanked Choice Spoiling rankedchoicespoiling 80bef09f-53a7-4258-a23c-91f525380769—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaIReset reset 9bdc3a0c-de16-4020-8780-342880c66253—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaJTic Tac Toe Counting tictactoecounting 274d89f7-965f-4223-8f0a-3cd2c09d47e7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaKTransparency transparency 8ccb5ce1-99c2-46f7-abd5-ef3f8a133c44—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaLTriangular Logs triangularlogs fcd7815c-aefd-4f64-9240-23d6397c00d0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2022nac-20222021–2022North AmericaMWord Ladder wordladder3 0984395c-3522-4fc7-88b7-2b348bc10c59—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nac-2023nac-20232022–2023North America?Allergen Testing allergentesting 49941b9a-ef14-44b2-98f5-314efe452bb6—Kattis
nac-2023nac-20232022–2023North America?A Tree and Two Edges atreeandtwoedges 9a0fb9fc-9134-4b23-8e13-e63b92700cea—Kattis
nac-2023nac-20232022–2023North America?Broken Minimum Spanning Tree brokenminimumspanningtree 3e5efea0-da77-41cc-8236-b4e212f8d096—Kattis
nac-2023nac-20232022–2023North America?Fail Fast failfast 639aa3f7-c3a7-44da-a207-a0cd684bbb19—Kattis
nac-2023nac-20232022–2023North America?First Last firstlast 56fba513-ef0d-4c4e-8499-cb4f2b7ca7a4—Kattis
nac-2023nac-20232022–2023North America?Four Square foursquare 1bb383cc-0b22-4a63-95a3-bd7cff617e0a—Kattis
nac-2023nac-20232022–2023North America?Frequent Flier frequentflier c590d25b-171a-4b4b-9800-48697ba39df2—Kattis
nac-2023nac-20232022–2023North America?Game Show Elimination gameshowelimination 4db3eaeb-b3e5-467e-b308-8f7346cc20b6—Kattis
nac-2023nac-20232022–2023North America?Power of Divisors powerofdivisors 65b35876-8876-402f-969e-8c9d6fa49a2b—Kattis
nac-2023nac-20232022–2023North America?Repetitive String Invention repetitivestringinvention 994cda66-e6a8-447b-943f-c9d46305cce7—Kattis
nac-2023nac-20232022–2023North America?Space Alignment spacealignment a8401e7d-e6cb-4cea-86cb-e9e963c5e619—Kattis
nac-2023nac-20232022–2023North America?Splitting Pairs splittingpairs 6200e06a-91eb-465b-8422-4e1158165c00—Kattis
nac-2023nac-20232022–2023North America?Who Watches the Watchmen? whowatchesthewatchmen f5606396-739d-4b5d-81b4-2b9b5117f9f3—Kattis
nac-2024nac-20242023–2024North America?Arrested Development arresteddevelopment 8b84acd2-59af-4fc9-a57e-38e833bca02f—Kattis
nac-2024nac-20242023–2024North America?Champernowne Substring champernownesubstring c2c12077-9d3f-4dc1-9c5e-cde14d047e87—Kattis
nac-2024nac-20242023–2024North America?Comparator comparator daba1619-e4a3-4cc3-8790-af5bb23c89ca—Kattis
nac-2024nac-20242023–2024North America?Dihedral Group dihedralgroup 8c68d537-ac23-47a5-ad74-c5cf2644694e—Kattis
nac-2024nac-20242023–2024North America?House Deconstruction housedeconstruction ae2e35a0-c7d0-499b-b7ce-7cc65d5f0867—Kattis
nac-2024nac-20242023–2024North America?Magic Bean magicbeancube 29748c20-a46b-492c-a222-52dacd829450—Kattis
nac-2024nac-20242023–2024North America?Manhattan Walk manhattanwalk 34a195d5-5228-4d62-9352-45a48e12380b—Kattis
nac-2024nac-20242023–2024North America?MountainCraft mountaincraft a63a4ef1-eaa0-48c6-b097-32635c91659b—Kattis
nac-2024nac-20242023–2024North America?Not Another Constructive! notanotherconstructive 773dee70-af97-40ea-8a18-9b5ae3398012—Kattis
nac-2024nac-20242023–2024North America?Passport Stamps passportstamps d68e16c5-7b90-4605-90c5-f7da61c4f187—Kattis
nac-2024nac-20242023–2024North America?Shadow Line shadowline 28362a29-b769-4344-981d-0bbca71f0a1a—Kattis
nac-2024nac-20242023–2024North America?Square of Triangles squareoftriangles d0d47b3b-b602-41f2-a748-c443c0928c96—Kattis
nac-2024nac-20242023–2024North America?Training, Round 2 traininground2 015007d8-727f-403b-b0b2-ff242085922e—Kattis
nac-2025nac-20252024–2025North America?A Totient Quotient atotientquotient 808b1968-e1c4-437a-84d0-6356c1a18f20—Kattis
nac-2025nac-20252024–2025North America?Circle of Leaf circleofleaf 3c3fd2b9-9ff6-4410-a1dd-2d2c9c376ea1—Kattis
nac-2025nac-20252024–2025North America?Entrapment entrapment 2f8d450e-bcb6-4d29-91ab-4790a0e03275—Kattis
nac-2025nac-20252024–2025North America?Geometry Rush geometryrush d2b26f47-dbf5-4699-a8b2-3cb1f6a1e924—Kattis
nac-2025nac-20252024–2025North America?Humans vs AI humansvsai 98978bcb-29db-4f17-991d-935f4b081341—Kattis
nac-2025nac-20252024–2025North America?Mob Grinder mobgrinder 98f02e31-e443-4bd2-93ba-a571108e1628—Kattis
nac-2025nac-20252024–2025North America?Most Scenic Cycle mostsceniccycle 655a9b3c-6ad9-4258-b14c-07bf1917ecdd—Kattis
nac-2025nac-20252024–2025North America?Ornaments on a Tree ornamentsonatree f91acd5f-5e3e-4f76-960b-edab44e46a5b—Kattis
nac-2025nac-20252024–2025North America?Polygon Partition polygonpartition 45746c16-6383-4e19-b8e9-ac7824a47581—Kattis
nac-2025nac-20252024–2025North America?Popping Balloons poppingballoons dc65f3ae-b071-42cf-8575-0f7e9ea6db62—Kattis
nac-2025nac-20252024–2025North America?SLA Tomography slatomography 790b929d-2a77-43bb-95eb-860328743251—Kattis
nac-2025nac-20252024–2025North America?Solar Farm solarfarm cfcb0cce-8da3-494c-86db-6e6af0845238—Kattis
nac-2025nac-20252024–2025North America?This Is Sparta! thisissparta 08e03107-b6ee-4606-aadd-ef9f5e6a1f23—Kattis
nac-2026nac-20262025–2026North AmericaAAcorn Quarrels acornquarrels 0e5ca094-9512-49a8-b3fb-1327cf5f902d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaBBoss Rush bossrush 414a26e6-695f-40f3-ae06-5bca5361f959—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaCCable Pruning cablepruning 91de644e-f6df-4f7f-b61c-1754f62423ef—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaDDraw Your Deck drawyourdeck a765b404-1fa7-4048-b7f9-712854224ac3—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaEEvil Judges eviljudges a23fe5fe-e533-4eb4-89e5-18038b3ab571—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaFFriend Meetup friendmeetup d6ed77c1-b16c-49d3-b54c-880af37e9007—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaGGemstone Dowsing gemstonedowsing 3c58a15e-ae52-4750-9d8e-f60a71123b61—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaHHeist of the Century heistofthecentury 68258611-d39d-44cb-8f0a-db070ab7a1b7—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaII Don't Miss Pennies idontmisspennies 6a3b5ae5-c8be-43a9-9cc6-94da2859c6cb—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaJJelly Fusion jellyfusion f6f51b26-b17c-4aad-9e43-20ffedbc2803—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaKKindergarten Revisited kindergartenrevisited fc7bc2d7-b351-4f25-aad8-e3ad29e12f80—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaLLeaking Santa's Secrets leakingsantassecrets 6323db15-58d3-405f-8f97-572f81f30a55—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nac-2026nac-20262025–2026North AmericaMMaki Conveyor Belt makiconveyorbelt af989c09-a28a-458c-9c3b-20c3e014012e—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nadc-2021nadc-20212020–2021North AmericaAAlien Microwave alienmicrowave 8a4d76c6-e2a8-4774-9a30-24cec7211061—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaBAnother Substring Query Problem anothersubstringqueryproblem d69d4d13-245e-4bf3-8e75-661647cfd916—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaCBorders borders 670ce88a-716b-47c9-aa05-91e16ca8ff1f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaDCircle of Friends circleoffriends f01214dd-3d88-4d2a-ab43-e0b30c0e3c80—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaEFinding Polly findingpolly 00ba8c99-8952-4099-9467-d4fef9d139ed—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaFInvestigating Imposters investigatingimposters ad79a211-3bd5-4d5a-bb14-880925bc2e0f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaGLaptop Sticker laptopsticker ade9ddbb-6820-479a-a6a4-780f9c791e32—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaHLongest Common Substring longestcommonsubstring 2f6e7ed5-c4fa-41a6-b38f-4e19a1f047ac—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaISimple Cron Spec simplecronspec b0d54cb3-4321-4ae4-b589-97ffea207197—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaJSurveillance surveillance2 e8245645-8f8b-4212-ac13-b63009971c16—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaKTrain Line trainline d643f25d-aaad-4dc0-aef8-bc53629ea43d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaLWindow Shopping windowshopping ac9747ff-9b40-4e27-ab75-94bdfc9d728f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nadc-2021nadc-20212020–2021North AmericaMYou Be the Judge! youbethejudge 38141c7f-d902-4fe1-9efa-fec46576fdf5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naipc-2014 non-mainlinenaipc-2014non-mainline?Banjo banjo 99ed8847-a059-489d-bb25-0862ac2c2509—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Cheats cheats 7c0d5525-cfe8-4089-a770-5938912e5bac—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Diplomacy diplomacy b2bc6abd-9863-4f27-8e69-768af3e5ff64—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Fantastic Problem fantasticproblem 9890b888-b4de-40f3-850b-4bcadcb0ab11—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?GCDs gcds 23e83322-24e1-4f9d-9a47-0ec10af533ec—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Gold Bandits goldbandits 50e77948-3bc2-46d2-934e-58db0ee372f7—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Integer Estate Agent estate 78f2891b-63d4-480a-b308-7bd9863725fe—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Reconnaissance reconnaissance 58a1d204-5422-427a-8467-dd9df245a846—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Super Mario 169 supermario169 9526353f-ba59-46d9-8c64-c3bcc7bdff1b—Kattis
naipc-2014 non-mainlinenaipc-2014non-mainline?Two Knights' Poem twoknights 19ff2d05-1650-48a4-b278-1cc8119894f4—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Area of Effect areaofeffect 2a76f521-8f76-4538-b895-1f4c0c0ab7d0—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Canyon Mapping canyon a86bc95c-fe71-4d73-8997-72cf33fdd844—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Extensive Or extensiveor 83e3fea2-70d6-48a5-bab6-e37ee98c86b8—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Magic Checkerboard checkerboard 5eff8cc0-af37-4ce9-b5e4-71f97a5185ca—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Primal Partitions primal 30dda854-51a1-41aa-b196-4e113bedf0b3—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Rainbow Zamboni zamboni a244a59b-1299-47e0-942b-88297aea4ec3—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Sand Art sandart 8b0d0574-981d-4921-9155-aa01c0bac641—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?String Stretching stretching 31449cca-dae3-40dc-85ad-c52cc6128af9—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Vending Machine vending 1e659e82-e280-4138-b69e-b10916169f13—Kattis
naipc-2015 non-mainlinenaipc-2015non-mainline?Zig Zag Nametag zigzag 7836401a-ca0f-4f4f-af86-cac1639a65e1—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Alternative Bracket Notation bracketnotation 6f8211c5-cf3d-498e-a1e2-f3db8bce0cbd—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Fancy Antiques antiques 27e5d116-2d26-4434-bfe8-ec39a6ce57c7—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Greetings! greetings c10fd5ed-9460-4e30-b7f2-880b567bab3a—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Jewel Thief thief 4c2615e4-8da7-4b05-8138-d02bda171b14—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?K-Inversions kinversions 53d59026-a917-44bf-8e05-eae7c2ad0071—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Mountain Scenes scenes b663721e-b3b9-4cf8-8454-8679eeb84c49—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Programming Team programmingteam 56953fb1-aa48-4f03-9086-9665fc4f5baf—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Symmetry symmetry b9dd59e0-5990-4991-9e6b-4c1bacdb6239—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Tourists tourists 71a8e27c-6ff1-4d88-9345-b90e88dfb03b—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?Whiteboard whiteboard 86552bc4-0f68-461d-acfe-b8f0a70f1b45—Kattis
naipc-2016 non-mainlinenaipc-2016non-mainline?YATP yatp f43a4c4f-359e-4dea-a252-8748249450a8—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Apple Market applemarket a6d1a83e-f385-44c3-bc05-360ad3c0cfb3—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Blazing New Trails blazingnewtrails 11a0bab7-c2a3-4698-b6e7-bc63aca80130—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Heaps from Trees heapstrees 173695fc-eb6e-4697-ac29-7886d4a6c382—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Incremental Double Free Strings idf 0264e6e8-d24c-42ec-974a-714fc6e79131—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Maximum Color Clique maxcolorclique 34281f1e-29f1-40fb-8be0-40b9a3af9fc3—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Pieces of Parentheses piecesofparentheses e2c80a2c-b3f7-4a38-ab96-f4fb839fc701—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Ski Resort skiresort ebf469e4-dbde-4234-95e9-cbc556404737—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Stars in a Can starsinacan c2be0ccb-7f0c-4f28-b8bf-5bca6a481bcb—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Stretching Streamers stretchingstreamers 13048b0f-d4a7-406f-ad66-77b790599097—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Unbalanced Parentheses unbalancedparentheses 62e34684-9c8e-4e36-9cd9-bcce5ab479b7—Kattis
naipc-2017 non-mainlinenaipc-2017non-mainline?Yin and Yang Stones yinyangstones 9e791696-2e86-47b0-b0d8-715165674e92—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Cut It Out! cutitout 713c0bfa-b2bf-4084-b1e5-b1dc7d36b89a—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Double Clique doubleclique 4e055e2f-3ec5-4719-88ee-51c17fe17af7—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Flashing Fluorescents flashingfluorescents c495fb00-df45-4f86-9afd-d3e3c22de884—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Missing Gnomes missinggnomes 268e76ca-07e6-4a53-b624-ff08379a5a8c—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Prefix Free Code prefixfreecode 08cd8919-6200-4e44-92b4-a7f544762ac3—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Probe Droids probedroids 9811cf44-0d2c-449e-b473-6187e63ceba5—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Rainbow Graph rainbowgraph 1c37002e-43d9-4e25-8b51-633fcb5cf1d4—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Recovery recovery c7f00af5-23e0-443c-829e-15f3dbab1139—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Red Black Tree redblacktree 7f56393a-7f82-4c47-9edf-9ad98555fbd1—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Winter Festival winterfestival 96bf839e-5f49-487c-9676-ce55a88c43f3—Kattis
naipc-2018 non-mainlinenaipc-2018non-mainline?Zoning Houses zoninghouses 96d215f9-70cc-4406-baa5-7e004984d444—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Busy Board busyboard 9e80cbae-953e-49f5-b026-61dc98296904—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Cost of Living costofliving 63e786b1-8c99-4eb7-823a-588a866a5685—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Cutting Strings cuttingstrings 39e58d4f-dcce-4096-8fe1-7ed129737bee—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Heaps of Fun heapsoffun e73aac02-df4d-496e-a4cb-399332d4fb5e—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Intersecting Rectangles intersectingrectangles 67b6d6d2-3534-4ad5-90a4-d789abb705c9—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?It's a Mod, Mod, Mod, Mod World itsamodmodmodmodworld 906dfa83-c89d-4c32-9aa5-17cbdf5b172b—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Knight of the Tarot Cards knightofthetarotcards 2f27d99e-64b5-4fdb-90fd-d43dffe13e32—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Monotony monotony 1df6764d-722d-49e7-84dd-3afca0dce05b—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Piece of Cake pieceofcake ba649547-fa5c-4e12-bb92-738c7f6fff01—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Planes, Trains, but not Automobiles planestrainsbutnotautomobiles 3990e466-3f4c-4613-ac52-a51d37a616d4—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Rocket Powered Hovercraft rocketpoweredhovercraft 86dc5ab8-dcd9-4396-8bff-ed004a434c91—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?Subsequences in Substrings subsequencesinsubstrings 2a68958b-9e0f-44d9-b447-735c9f867f03—Kattis
naipc-2019 non-mainlinenaipc-2019non-mainline?XOR Sequences xorsequences 2b4f38e0-7e9e-4fb3-8308-fe1bd2953dc2—Kattis
nanchang-2019nanchang-20192019–2020Asia EastA9102—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastBA Funny Bipartite Graph—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastCAnd and Pair—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastDBitwise Tree—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastEBob's Problem—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastFDynamic Suffix Array—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastGEating Plan—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastHPowers of Two—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastIResistance—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastJSummon—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastKTree—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastLWho is the Champion—Luogu 洛谷 (Luògǔ)
nanchang-2019nanchang-20192019–2020Asia EastMXOR Sum—Luogu 洛谷 (Luògǔ)
nanjing-2013nanjing-20132013–2014Asia EastAGPA—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastBPoor Warehouse Keeper—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastCCampus Design—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastDShoot—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastECircular Lamps—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastFLunch Time—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastGDrunk—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastHCirno’s Present—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastIWall Painting—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastJBall—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2013nanjing-20132013–2014Asia EastKD Tree—HDU Online Judge (acm.hdu.edu.cn)
nanjing-2018nanjing-20182018–2019Asia EastAAdrien and Austin—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastBTournament—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastCCherry and Chocolate—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastDCountry Meow—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastEEva and Euro coins—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastFFrank—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastGPyramid—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastHHuge Discount—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastIMagic Potion—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastJPrime Game—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastKKangaroo Puzzle—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastLLagrange the Chef—Luogu 洛谷 (Luògǔ)
nanjing-2018nanjing-20182018–2019Asia EastMMediocre String Problem—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastAA Hard Problem—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastBChessboard—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastCDigital Path—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastDHoles—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastEObservation—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastFPaper Grading—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastGPoker Game—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastHPrince and Princess—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastISpace Station—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastJSpy—Luogu 洛谷 (Luògǔ)
nanjing-2019nanjing-20192019–2020Asia EastKTriangle—Luogu 洛谷 (Luògǔ)
nanjing-2020nanjing-20202020–2021Asia EastAAh, It's Yesterday Once More—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastBBaby's First Suffix Array Problem—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastCCertain Scientific Railgun—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastDDegree of Spanning Tree—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastEEvil Coordinate—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastFFireworks—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastGGo—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastHHarmonious Rectangle 1aea3183-979c-4e6d-a0de-da0588b3f592—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastIInterested in Skiing—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastJJust Another Game of Stones—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastKK Co-prime Permutation—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastLLet's Play Curling—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2020nanjing-20202020–2021Asia EastMMonster Hunter—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastAOops, It's Yesterday Twice More—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastBPuzzle in Inazuma—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastCKlee in Solitary Confinement—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastDPaimon Sorting—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastEPaimon Segment Tree—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastFPaimon Polygon—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastGPaimon's Tree 79759ffa-f2ba-4f62-a368-a1487ffbbef0—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastHCrystalfly 8796b664-ba8a-452e-9e51-e28dfb72a142—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastICloud Retainer's Game—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastJXingqiu's Joke—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastKAncient Magic Circle in Teyvat—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastLSecret of Tianqiu Valley—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2021nanjing-20212021–2022Asia EastMWindblume Festival—Luogu 洛谷 (Luògǔ) · Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastAStop, Yesterday Please No More—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastBRopeway—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastCFabulous Fungus Frenzy—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastDChat Program—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastEColor the Tree—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastFTriangles—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastGInscryption—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastHFactories Once More—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastIPerfect Palindrome—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastJPerfect Matching—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastKNaN in a Heap—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastLProposition Composition—Codeforces Gym
nanjing-2022nanjing-20222022–2023Asia EastMDrain the Water Tank—Codeforces Gym
nanjing-2024nanjing-20242024–2025Asia East?Bingo—Luogu 洛谷 (Luògǔ)
nanjing-2024nanjing-20242024–2025Asia East?P ⊕ Q = R—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastAAbiyoyo—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastBAttacker-Defender Game—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastCThe Ball—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastDBanned Patterns—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastEThe Champion—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastFThe Chosen One—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastGFive Dimensional Discrete Fourier Transform—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastHThe Game of Life—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastIRake It In—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastJRearrangement—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastKResonators—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastLTwice Equation—Luogu 洛谷 (Luògǔ)
nanning-2017nanning-20172017–2018Asia EastMThe Maximum Unreachable Node Set—Luogu 洛谷 (Luògǔ)
naq-2012naq-2012North AmericaAQuite a Problem quiteaproblem 0c6292bb-f4f3-4090-8f24-ad1ca9362e2c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaBMulti-Touch Gesture Classification multitouch 9345b7ab-4acc-4971-a91e-724e8a341444—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaCStacking Curvy Blocks curvyblocks f20f8099-e3c6-401e-929a-2e3cea2a44d0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaDUnicycle Counting unicycles e4f6b2e5-4c1e-43fe-980b-1de5833301a3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaEChoosing Numbers choosingnumbers 1c0c9055-9be7-4888-9fd5-98763504fc8a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaFLoopy Transit loopytransit 6a13a460-6481-4e48-a472-329eb285f5fc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaGHitting the Targets hittingtargets 5cacd0dc-39d9-4ae5-b4a8-d805a82efebc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaHTexas Summers texassummers 4811f779-5086-4ea4-ad95-0e21e96ebcd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaIOut of Context outofcontext 37f6ec95-c165-4269-ae71-b6399ef795f3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaJMaze Movement mazemovement 9237465e-0805-4014-ae0e-719371d7fcc8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2012naq-2012North AmericaKRagged Right raggedright 73eb5d10-25fc-4143-9b62-b1346c76ee7d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaAOddities oddities d87f5d4b-a114-438a-af96-00748c791f78—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaBTernarian Weights ternarianweights 84897dfb-c34b-42d8-86be-cd9e78a782c6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaCGoldbach's Conjecture goldbach2 302041e0-a493-4371-84e4-ed77eabe763f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaDShotcube shotcube 2ca16b69-5b4a-400d-bc4b-3699883e71b1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaEErratic Ants erraticants 9ac382fb-5e4b-4b19-ace8-4ad7a63c800e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaFPlotting Polynomials plot d5a5c91a-382c-42fe-b5ee-ef21643b878a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaGTrapezoid Walkway walkway f8cd8a0e-113c-42b4-8148-0cdb6f58d507—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaH4 thought 4thought b4ac6da5-c8d6-4325-9f29-6acfa0f2c4ef—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaIBiggest Slice biggest ba50f5f8-59dd-4283-ba8b-1c2532e0d83d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaJEven Up Solitaire evenup 7dc2e098-6aee-4f17-a143-985f4ab5a6e9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2013naq-2013North AmericaKIsland Buses island 328bad2e-da8e-413f-b6a3-366b18fd7785—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2014naq-2014North America?Color Walk colorwalk fe74936c-fdcd-4217-8cf5-554085d5f33d—Kattis
naq-2014naq-2014North America?Eight Queens 8queens d5afd329-5524-4552-b43b-b064790e7bc1—Kattis
naq-2014naq-2014North America?Flexible Spaces flexible 19f650cf-f921-47d0-8c24-c880201b0e46—Kattis
naq-2014naq-2014North America?Flip Five flipfive 4a55d1ba-f340-4000-84e9-8dc562641696—Kattis
naq-2014naq-2014North America?Human Cannonball Run humancannonball 61ef4cf4-f491-457c-a361-b72339108f78—Kattis
naq-2014naq-2014North America?Mixed Fractions mixedfractions d57b64f1-72e0-4cce-83ca-286fed48aeca—Kattis
naq-2014naq-2014North America?Narrow Art Gallery narrowartgallery f25d5854-1e40-4dbb-861f-1ebb00af2da2—Kattis
naq-2014naq-2014North America?Pesky Mosquitoes mosquitoes 0beb6437-f686-41b0-9363-80f711af9bcf—Kattis
naq-2014naq-2014North America?Tractor tractor 343e2d93-49c8-4f9f-b245-8f7d1a5b7901—Kattis
naq-2014naq-2014North America?Units units 9384da42-870b-450c-b120-eb62c2ca3e12—Kattis
naq-2014naq-2014North America?Yikes - Bikes! yikes 058deab6-69bc-4040-8a8e-384f324c4bfd—Kattis
naq-2015naq-2015North AmericaAAll about that base allaboutthatbase 83c9c804-f99d-4371-bc03-8124128cbd38—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaBBobby's Bet bobby 80446541-2064-436b-932c-9a9bfb8e6b7f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaCCantina of Babel cantinaofbabel fd81ac6f-3ed2-43e9-8d47-77ed4541454b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaDCircuit Counting countcircuits 4b0ae2b6-11d3-4e1f-a196-77b44270b6d4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaECutting Brownies cuttingbrownies ada16261-e2c9-4aed-89a6-d618ce8ef854—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaGSafe Passage safepassage 1d5b594f-c550-43ca-9504-29bdbe0ee9e1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaHSecret Message secretmessage 1af38281-3697-4dbe-bb9c-a866a4faae48—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaJTorn To Pieces torn2pieces 9a46e334-27f6-4a40-8ae4-a4130630dfe1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North AmericaKUnDetected undetected 6265b7ab-a853-4179-b64b-243c5164e7c7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2015naq-2015North America?Quick Brown Fox quickbrownfox 302f5193-f824-4b94-8bab-f0f443a9bf1b—Kattis
naq-2015naq-2015North America?Simon Says simonsays 16b5e026-4d58-46f7-b944-74be92a8bbac—Kattis
naq-2016naq-2016North AmericaAA New Alphabet anewalphabet 5e907fd2-01fa-4d2a-b66c-79dc3fcc2c79—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaBArcade! arcade 0f3a6ea4-888a-4459-9a75-dc1a46247ee9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaCBig Truck bigtruck fad8daee-a909-4d95-91f1-86edf0b6ae77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaDBrackets brackets 790f2fc0-c01a-4e6c-b2c7-1574d69cae65—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaEDots and Boxes dotsboxes 6d9f6586-0dbf-455f-a118-d7b057e333b0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaFFree Desserts freedesserts 512b06cb-6698-4813-ae66-c7d7cc82e554—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaGInverse Factorial inversefactorial dc9c7434-4245-4e57-8650-345256924fd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaHNine Packs ninepacks 8f2ec49a-73ac-4a1e-8331-6b35957e3951—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaIPrimonimo primonimo 965796d4-5f70-4b64-aff9-a403fbccddf4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaJQuick Estimates quickestimate 665e6fdb-6bd6-49bd-85cc-9526fde05796—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaKRobotopia robotopia 47263408-b6a1-41e2-aff9-7484aa1e703a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2016naq-2016North AmericaLUnusual Darts unusualdarts 8ba4afd6-2d51-4f4f-85bf-176042eaeeee—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
naq-2017naq-2017North AmericaABirthday Cake birthdaycake b6b96ec3-5053-4a4e-b350-e4ff53d97236—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaBBumped! bumped d13a850a-c28d-428d-92c5-77f09b2d1ec3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaCCanonical Coin Systems canonical a741ad25-080a-481a-af9a-a0ca33356195—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaDCat and Mice catandmice 203d84c9-0800-44b7-9def-c898905afdad—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaECompany Picnic companypicnic 56206773-5c87-4481-9363-ae31857a7c22—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaFGlitchBot glitchbot 90403056-8a91-4cca-bbb8-b7ed01ea16e0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaGGreeting Card greetingcard ea9cfa9e-30f3-4338-b3f0-3b0e3a9afb27—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaHImperfect GPS imperfectgps 8e66a197-4083-4025-b6c9-fd133da0cf59—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaIOdd Gnome oddgnome 9df8357f-94ee-42e8-accc-0858f6377813—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaJProgressive Scramble progressivescramble 3efcaa9f-3878-47db-9cd0-840a80d875eb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaKSpace Probe spaceprobe 3c60e71e-965e-4699-9956-61925ba15cd1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaLSuspension Bridges suspensionbridges 103b9bb6-45fe-48a1-98bc-786cb69ad75a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2017naq-2017North AmericaMUmbral Decoding umbraldecoding 30d33324-6086-417b-a3c3-da6f5c4a0329—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaABingo Ties bingoties b760c782-a428-4eba-bad7-0b0f7700f57e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaBDas Blinkenlights dasblinkenlights 25616483-61a3-46f1-aa4b-3ae03fe6bb64—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaCEbony and Ivory ebonyandivory dc96360a-ae85-4c65-970e-3c8719472ec2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaDFroggie froggie 89eecbff-ed52-4ed9-97b3-3a9750c40ef0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaEFruit Slicer fruitslicer 5ea4d729-0ff0-4951-b7df-f3fccb17b27a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaFLCM Tree lcmtree 629340f9-633b-4e28-ab2e-920cf2f7321b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaGLeft and Right leftandright 9e0f3ded-4f7f-4e39-8075-fbc43f77fdc9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaHLongest Life longestlife 174ff345-e9f1-4499-b3c9-94caf7a88858—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaIMonitoring Ski Paths monitoringskipaths 35d20075-8829-4727-a737-2b73eca706bc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaJPeg Game for Two peggamefortwo 4a899b1e-e054-44f6-9b00-52cce3929d73—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaKRun-Length Encoding, Run! runlengthencodingrun 83b5860f-c0c6-49a7-a3a9-b92e2b0c3e0c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaLSuperdoku superdoku fd764c69-32f4-461e-bbab-5c5db53871f3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2018naq-2018North AmericaMTriangular Clouds triangularclouds f246c77b-c587-4445-82b1-580108bf7b4a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaACircuit Math circuitmath bc634b30-911d-43ee-901d-112b78ea210b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaBDiagonal Cut diagonalcut 779e69d5-98bc-4efd-af49-15b173a94650—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaCGerrymandering gerrymandering 92a82644-3b51-49b0-b36a-dcabc745ffe2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaDMissing Numbers missingnumbers 4d11c49c-815f-4191-a12f-fd5201aabb98—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaENVWLS nvwls aecdcf71-4795-4e84-a1fb-b8022757c4df—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaFProspecting prospecting 3a4309ad-c9b1-4dc4-b3e8-fb6e2bb9f810—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaGResearch Productivity Index researchproductivityindex 17cbacc2-36bb-4cab-be35-6e5c97431c77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaHRunning Routes runningroutes 4c1f6ee2-43fa-4ce0-a32c-ebd9adcd73bc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaISlow Leak slowleak fed7ad5d-9a72-4aed-b0fb-97fe9dd9aa6e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaJStop Counting! stopcounting eb87b8ad-c074-440d-8c04-421ae09ede71—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaKSummer Trip summertrip a862e9db-4418-46af-b1df-c549ac985744—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaLTraveling Merchant travelingmerchant 27a00b54-7bea-4471-b88f-73f90d392ae8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2019naq-2019North AmericaMZipline zipline 45a3cf58-2249-4313-a593-38c46f2eb9dd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2020naq-2020North AmericaBDrawing Circles drawingcircles 75251b45-4e1a-45e3-a5bd-b33ff2fcb186—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2020naq-2020North AmericaEPerfect Path Patrol perfectpathpatrol 791aa5f0-b3e1-4dec-b061-3dde8aff70ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2020naq-2020North AmericaGSky's the Limit skysthelimit f55cc7d6-69d8-469a-b0eb-879031350af9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2020naq-2020North AmericaHUsing Digits usingdigits 4f085cea-264b-42e5-825b-36b80089ef81—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
naq-2021naq-2021North America?Alien Integers alienintegers 6dfd4be3-7e7f-4e11-ba42-47bbe6dde92a—Kattis
naq-2021naq-2021North America?Avoiding Asteroids avoidingasteroids 2239c6b5-4d16-4960-9c3e-9ec64df93ba6—Kattis
naq-2021naq-2021North America?Common Factors commonfactors 3a83643d-cf4e-4cbe-9ea0-e81b3f757c40—Kattis
naq-2021naq-2021North America?Dimensional Analysis dimensionalanalysis 958c175f-7653-47e4-a008-741900154955—Kattis
naq-2021naq-2021North America?Eye of Sauron eyeofsauron a9abdf58-be27-4a75-9ba0-0aa8e39bd6d2—Kattis
naq-2021naq-2021North America?ilove Strings ilovestrings a6bf74bb-e5b6-4787-bae8-ba695b2ec89e—Kattis
naq-2021naq-2021North America?MrCodeFormatGrader mrcodeformatgrader 066eb2c0-c504-4683-8920-a19db6dfd695—Kattis
naq-2021naq-2021North America?Mult! mult 7d1e3f91-65ce-461a-8cf9-1da73ffce547—Kattis
naq-2021naq-2021North America?Pizza Party! pizzaparty c115c227-6c09-4703-9d65-d88cab3e8818—Kattis
naq-2021naq-2021North America?Stacking Up stackingup d1095f12-ce0b-480d-ba9d-5c3a4bd86747—Kattis
naq-2021naq-2021North America?Stamp Combinations stampcombinations 1bdb4f7b-a015-4603-9128-0640907d7b11—Kattis
naq-2021naq-2021North America?Sword Counting swordcounting 5953c6c3-bf43-4e2b-b7bb-ac493829f359—Kattis
naq-2021naq-2021North America?Tic-Tac State tictacstate b0531c18-052e-437b-8c18-1e6a3b2b5707—Kattis
naq-2021naq-2021North America?Venn Intervals vennintervals 5f3cb162-b183-4020-b7d9-725692b8f4e0—Kattis
naq-2022naq-2022North America?Beast Bullies beastbullies—Kattis
naq-2022naq-2022North America?Birthday Gift birthdaygift—Kattis
naq-2022naq-2022North America?Class Field Trip classfieldtrip—Kattis
naq-2022naq-2022North America?Ghost Leg ghostleg—Kattis
naq-2022naq-2022North America?MazeMan mazeman—Kattis
naq-2022naq-2022North America?Metronome metronome—Kattis
naq-2022naq-2022North America?Movie Night movienight—Kattis
naq-2022naq-2022North America?Platform Placing platformplacing—Kattis
naq-2022naq-2022North America?Room Evacuation roomevacuation—Kattis
naq-2022naq-2022North America?Smallest Calculated Value smallestcalculatedvalue—Kattis
naq-2022naq-2022North America?Spidey Distance spideydistance—Kattis
naq-2022naq-2022North America?Toll Roads tollroads—Kattis
naq-2023naq-2023North America?Contest Advancement contestadvancement 55d7a659-16c4-480f-8603-3317540c9e25—Kattis
naq-2023naq-2023North America?Digit Translation digittranslation e11f3b8b-457c-4c16-8408-bb2bc0504a97—Kattis
naq-2023naq-2023North America?Don't Hunger Together donthungertogether 0c842b68-b8d1-456d-912a-f2781b4fa47a—Kattis
naq-2023naq-2023North America?Garden of Thorns gardenofthorns bf761032-bd53-41ec-b123-b970a6d8a533—Kattis
naq-2023naq-2023North America?ICPC Team Generation icpcteamgeneration cb7db038-b1ad-452c-9530-694d3b0f66d0—Kattis
naq-2023naq-2023North America?Is Y a Vowel? isyavowel 02d6ceb7-052f-40e2-8f67-ec5a09e1b870—Kattis
naq-2023naq-2023North America?Lines Per Hour linesperhour 809a7b80-cdac-4ad9-9774-0336a1e0f7a5—Kattis
naq-2023naq-2023North America?Magnesium Supplementation magnesiumsupplementation d8280bd3-4a8e-4731-8b90-14d0edd1f221—Kattis
naq-2023naq-2023North America?Missing Number missingnumber2 b2d6ca80-b9cb-4888-a737-2b3a5b758f90—Kattis
naq-2023naq-2023North America?Tip of Your Tongue tipofyourtongue 50d76f6c-bcdd-4765-87c1-3ab2136527fb—Kattis
naq-2023naq-2023North America?Very Important Edge veryimportantedge e95f8b55-e1c2-4ca3-9bcc-f597a23b2c46—Kattis
naq-2023naq-2023North America?Water Journal waterjournal c2714bd9-f86b-4442-94df-c66d011419d6—Kattis
naq-2024naq-2024North AmericaABalatro balatro 1027c660-107c-43fe-9d72-cebd53a020cc—Kattis · Kattis
naq-2024naq-2024North AmericaBBikes and Barricades bikesandbarricades 2776f56a-7531-4acd-a742-778ac4944496—Kattis · Kattis
naq-2024naq-2024North AmericaCCall for Problems callforproblems 72072d54-7727-43b2-88a0-dca0e83308f0—Kattis · Kattis
naq-2024naq-2024North AmericaDColorful Trees colorfultrees 46868a8d-7d65-4f95-984a-cdb9921c4ac7—Kattis · Kattis
naq-2024naq-2024North AmericaEDishonest Lottery dishonestlottery b890369a-c0ef-4bf8-b1d6-f90efc408fe7—Kattis · Kattis
naq-2024naq-2024North AmericaFEllipse Eclipse ellipseeclipse 0b72db28-92b7-4f83-af58-effc4d6fa06c—Kattis · Kattis
naq-2024naq-2024North AmericaGGears and Axles gearsandaxles edee2dc1-8a5b-4a8e-b304-f7369cfee003—Kattis · Kattis
naq-2024naq-2024North AmericaHGenetic Reconstruction geneticreconstruction 2c1e1242-d165-4536-b38d-d8f7c70eb726—Kattis · Kattis
naq-2024naq-2024North AmericaILight Up lightup f5410ac9-02f3-4ca3-90a7-2fb403c09daa—Kattis · Kattis
naq-2024naq-2024North AmericaJMenger Sponge mengersponge cca77aa6-30ab-45d6-9374-8f424942dab1—Kattis · Kattis
naq-2024naq-2024North AmericaKRhythm Flow rhythmflow 08b7bec4-df8c-4365-b77c-9bcbdba2753c—Kattis · Kattis
naq-2024naq-2024North AmericaLSnake snake 381aeea1-e29b-4085-b48f-adb7641ea441—Kattis · Kattis
naq-2025naq-2025North America?Art Installation artinstallation 4492e227-14b7-4ef4-8bcd-43aff1473e95—Kattis
naq-2025naq-2025North America?Backup Towers backuptowers 48ccc8d5-6207-498b-804b-fca493c6e0f9—Kattis
naq-2025naq-2025North America?Call for Problems, Round 2 callforproblemsround2 3123a737-6ccd-4049-9973-6d034686cb05—Kattis
naq-2025naq-2025North America?Carl's Maze-Solving Algorithm carlsmazesolvingalgorithm c266b27c-93c7-4cf7-bef8-e788654f278a—Kattis
naq-2025naq-2025North America?Curling curling bc919a90-3333-4afc-ac61-f57294f11170—Kattis
naq-2025naq-2025North America?Figure Skating Judging figureskatingjudging f00da119-8902-4b01-b60d-b338646b0d4f—Kattis
naq-2025naq-2025North America?Mingle mingle 66429b8e-8c32-48d7-8a4f-e8c43e387616—Kattis
naq-2025naq-2025North America?Seesaw seesaw 4d8aa766-93c4-4562-b145-de4f23c7b6db—Kattis
naq-2025naq-2025North America?Star Guardians starguardians 6ca99ca8-d2e1-4c07-b8bf-f235f8be6924—Kattis
naq-2025naq-2025North America?Ten Player Bingo tenplayerbingo 28aaab2b-a770-4999-85d7-46cad7c63041—Kattis
naq-2025naq-2025North America?Treasure Hunt treasurehunt2 e8e970f8-4bb3-4744-991a-d7efb96ceaf6—Kattis
naq-2025naq-2025North America?Triple Jump triplejump 32b0f8fa-b668-4621-b489-827048d8382b—Kattis
naq-2025naq-2025North America?Utopia Relationships utopiarelationships 06abc452-9448-4854-abf1-daa3261eedff—Kattis
ncna-1993ncna-19931993–1994North AmericaAFactorial Frequencies—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaBIdentifying Legal Pascal Real Constants—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaCExtrapolation Using a Difference Table—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaDEvaluating Simple C Expressions—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaEThe Finite State Text Processing Machine—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaFPostScript Emulation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1993ncna-19931993–1994North AmericaGInventory Maintenance—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1994ncna-19941994–1995North AmericaAA Node Too Far a72f03b6-e67f-4994-bff8-1ff28c66646a—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Mapping the Swaps—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Rational Numbers from Repeating Fractions—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Recognizing Good ISBNs—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Identifying Concurrent Events—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Processing MX Records—ICPC Live Archive
ncna-1994ncna-19941994–1995North America?Interpreting Control Sequences—ICPC Live Archive
ncna-1995ncna-19951995–1996North America?HTML 0661c94f-6e9a-42c0-9daf-acd3aa9f431a—
ncna-1996ncna-19961996–1997North AmericaAIt's Ir-Resist-Able!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1996ncna-19961996–1997North AmericaBGetting Chorded—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1996ncna-19961996–1997North AmericaDOptimal Array Multiplication Sequence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-1996ncna-19961996–1997North America?Run—ICPC Live Archive
ncna-1996ncna-19961996–1997North America?Transferable Voting (II)—ICPC Live Archive
ncna-1996ncna-19961996–1997North America?Pseudo-Random Numbers—ICPC Live Archive
ncna-1996ncna-19961996–1997North America?"Cheapest" Scores—ICPC Live Archive
ncna-1997ncna-19971997–1998North America?Coconuts, revisited 08f6bf72-a079-4cd0-89d9-5b978c66eb12—
ncna-1998ncna-19981998–1999North America?The Collatz Sequence—ICPC Live Archive
ncna-1998ncna-19981998–1999North America?Placing the Ops—ICPC Live Archive
ncna-1998ncna-19981998–1999North America?How Many Knights—ICPC Live Archive
ncna-1998ncna-19981998–1999North America?Jack and Jill—ICPC Live Archive
ncna-1998ncna-19981998–1999North America?Index—ICPC Live Archive
ncna-1998ncna-19981998–1999North America?The Falling Leaves—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?An Inductively-Defined Function—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?The Mobius Function—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?Ro and Bot Meet—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?Minesweeper—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?Before and After—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?The Spiral of Primes—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?Maze Checking and Visualization—ICPC Live Archive
ncna-2000ncna-20002000–2001North America?Recognizing S Expressions—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Generating Product Codes—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Bills and Coins—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?House of Mirrors—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?The Temperature Table—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Unlicensed Transmitter Hunt—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Triangles—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Jumble—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?DOT—ICPC Live Archive
ncna-2001ncna-20012001–2002North America?Number of Numbers—ICPC Live Archive
ncna-2013ncna-20132013–2014North AmericaABowling Score Assistant—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2013ncna-20132013–2014North AmericaBSpectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2013ncna-20132013–2014North AmericaCOne Move from Towers of Hanoi—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2013ncna-20132013–2014North AmericaELight Switches—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2013ncna-20132013–2014North AmericaGCentroid of Point Masses—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaAThe Binary Search Efficiency Doubter—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaBPreorder Traversals—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaCRank Order—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaEAquarium Tank—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaFRestaurant Ratings—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaGLocked Treasure—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaH\(\text{Con}+\cfrac{\text{tin}}{\text{ued}+\cfrac{\text{Frac}}{\text{tions}}}\)—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2014ncna-20142014–2015North AmericaIAnagram Pyramids—Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2015ncna-20152015–2016North America?The Z Stands for Zorro! efd9edeb-edac-41f0-a804-2b6a83f6e171—
ncna-2017ncna-20172017–2018North AmericaAStoichiometry stoichiometry 95c53769-532b-4de3-b661-1d1ea7a018e7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaBPokemon Go Go pokemongogo c5f42587-2d9d-45fd-9735-2395166321ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaCUrban Design urbandesign f8d28075-8b59-4271-97db-100c1dccc2b3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaDSmooth Array smootharray d00d7ca6-f99e-4c7d-9e0d-3e732d5f564c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaFAtlantis atlantis 2bcbbf00-2043-4361-a610-e97a02f1fe4f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaHZebras and Ocelots zebrasocelots c0a1312a-94ac-4f84-b2a0-340138838b98—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaIRacing Around the Alphabet racingalphabet cb3cee78-6f2b-4253-8083-476ab35538f3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North AmericaJLost Map lostmap c0d74575-63f5-409f-b722-665f50437be5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ncna-2017ncna-20172017–2018North America?Trivial 91f4a80e-5d0c-4b25-b9a6-35b4e1a406c7—
ncna-2018ncna-20182018–2019North AmericaAPokegene pokegene b3f3c0f5-37af-4369-901b-230c891f6d6b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaBMaximum Subarrays maximumsubarrays ace7902b-150b-48f2-941f-a9bc3534d7e6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaCRational Ratio rationalratio 5c335be7-ed9d-4871-b0b6-4fcb60bf3451—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaDTravel the Skies traveltheskies 55ecd730-d882-4736-ae37-d6175543802d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaEEuler's Number eulersnumber e7d23e5e-ef7c-4c7f-a26e-1a9b12a2f83a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaFLipschitz Constant lipschitzconstant 70fc4bcc-cb40-40d2-9c52-3aade33877fe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaGTima goes to Xentopia xentopia 3911083a-9942-464c-87e6-867228fe3ba9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaHNew Salaries newsalaries f219b6f9-6304-4034-a185-86337faa1d5c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaIOther Side otherside cf792581-53ce-44f8-be94-c96c2d84c401—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2018ncna-20182018–2019North AmericaJKaleidoscopic Palindromes kaleidoscopicpalindromes 7ad78339-dd92-42d0-b58a-a8ca14f5c710—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaAWeird Flecks, But OK weirdflecksbutok—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaBCode Names codenames—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaCNew Maths newmaths—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaDSome Sum somesum—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaEEarly Orders earlyorders—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaFPulling Their Weight pullingtheirweight—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaGBirthday Paradox birthdayparadox—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaHOn Average They're Purple onaveragetheyrepurple—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaIFull Depth Morning Show fulldepthmorningshow—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaJThis Ain't Your Grandpa's Checkerboard thisaintyourgrandpascheckerboard—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2019ncna-20192019–2020North AmericaKSolar Energy solarenergy—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2020ncna-20202020–2021North America?Ada Loveslaces adaloveslaces 183a4921-b154-4c01-88bb-f70eda31ec8e—Kattis
ncna-2020ncna-20202020–2021North America?Agamemnon's Odyssey agamemnonsodyssey e32a97c5-2e5f-4cdb-80fe-94972f890141—Kattis
ncna-2020ncna-20202020–2021North America?Codenames codenames2 4ac68e8f-8dd8-4884-8931-1dfa436332fd—Kattis
ncna-2020ncna-20202020–2021North America?Curve Speed curvespeed 1eba1298-9a97-4a1e-a060-3c12e9734f0d—Kattis
ncna-2020ncna-20202020–2021North America?Digital Speedometer digitalspeedometer 4c4c6159-3ae0-4a68-ac38-61c75583cf0d—Kattis
ncna-2020ncna-20202020–2021North America?ICPC Record Matching icpcrecordmatching 623c55c0-1fe6-4720-8974-cb289a466262—Kattis
ncna-2020ncna-20202020–2021North America?LogDB logdb eda33e4a-0667-496d-9b4e-c451bd0963eb—Kattis
ncna-2020ncna-20202020–2021North America?Redundant Binary Notation redundantbinarynotation b064185f-be80-4c6d-93f7-8725fae452d6—Kattis
ncna-2020ncna-20202020–2021North America?Ride-Hailing ridehailing c38dd35c-f9db-4698-8ad9-d703f4fd014f—Kattis
ncna-2020ncna-20202020–2021North America?Safest Taxi safesttaxi 18035697-2dd8-41fa-abf5-660affcad6f7—Kattis
ncna-2020ncna-20202020–2021North America?Staggering to the Finish staggeringtothefinish 86f9cfd3-dfc8-44a4-9249-f3d97fc9c380—Kattis
ncna-2020ncna-20202020–2021North America?Substring Characters substringcharacters 226dfbab-13f1-48a1-aa5c-3e3630238afb—Kattis
ncna-2021ncna-20212021–2022North AmericaAEven Substrings evensubstrings—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaBTree Number Generator treegenerator—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaCSubprime subprime—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaDUltimate Binary Watch ultimatebinarywatch—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaELand Equality landequality—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaFWord Puzzle wordpuzzle—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaGCode Guessing codeguessing—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaHLone Rook lonerook—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaIParking Lot parkinglot—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaJStream Lag streamlag—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaKBracket Pairing bracketpairing—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaLEspresso! espresso—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2021ncna-20212021–2022North AmericaMConcert Rehearsal concertrehearsal—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
ncna-2022ncna-20222022–2023North AmericaARepetitive Song repetitivesong—Kattis
ncna-2022ncna-20222022–2023North AmericaBExponent Exchange exponentexchange—Kattis
ncna-2022ncna-20222022–2023North AmericaCChocolate Chip Fabrication chocolatechipfabrication—Kattis
ncna-2022ncna-20222022–2023North AmericaDAdvertising ICPC advertisingicpc—Kattis
ncna-2022ncna-20222022–2023North AmericaESun and Moon sunandmoon—Kattis
ncna-2022ncna-20222022–2023North AmericaFStreets Ahead streetsahead—Kattis
ncna-2022ncna-20222022–2023North AmericaGRestaurant Opening restaurantopening—Kattis
ncna-2022ncna-20222022–2023North AmericaHTriangle Containment trianglecontainment—Kattis
ncna-2022ncna-20222022–2023North AmericaIDigits of Unity digitsofunity—Kattis
ncna-2022ncna-20222022–2023North AmericaJBog of Eternal Stench bogofeternalstench—Kattis
ncna-2023ncna-20232023–2024North AmericaCAnti-Palindrome antipalindrome 5b9a7c0d-906f-4ca4-a257-820b20b0f968—Kattis · Kattis
ncna-2023ncna-20232023–2024North AmericaECuckoo! Cuckoo! cuckoocuckoo c06e040b-b276-4937-a26c-18dbc8dcc591—Kattis · Kattis
ncna-2023ncna-20232023–2024North AmericaFCyclical Periods cyclicalperiods 117a84eb-6269-47c7-bf57-c390fca78a2e—Kattis · Kattis
ncna-2023ncna-20232023–2024North AmericaHModified Gray Code modifiedgraycode 968c2cf1-2473-4e36-af01-ceebe4cd0e4c—Kattis · Kattis
ncna-2023ncna-20232023–2024North AmericaIReapportionment reapportionment 67e9ef45-c684-4ef5-bfac-1aa47fe1c4d4—Kattis · Kattis
ncna-2023ncna-20232023–2024North AmericaLScrabble Flash scrabbleflash 60c6e28b-ed2f-4ec9-86e9-1fe958610473—Kattis · Kattis
ncna-2023ncna-20232023–2024North America?jigsawpuzzle jigsawpuzzle d91a70b2-a694-4d49-a3ba-9534fffd31cb—Kattis
ncna-2024ncna-20242024–2025North America?Ardi, The Hungry Aardvark hungryaardvark 6810bf39-5ff3-48b0-b43a-f58aeadb9671—Kattis
ncna-2024ncna-20242024–2025North America?Expected Flight Delay expectedflightdelay d4b1afb7-954d-4550-b753-6884ecda183a—Kattis
ncna-2024ncna-20242024–2025North America?Guard Evaders guardevaders ea7273b1-a756-4c13-b1d7-3d72acb2118a—Kattis
ncna-2024ncna-20242024–2025North America?Lego Lover's Triangle legoloverstriangle 294ae9b3-f054-4266-8329-3d99cf9b17b0—Kattis
ncna-2024ncna-20242024–2025North America?Which Number Kind Is it? whichnumberkindisit2 84c7f1f8-ec45-414e-a246-6fe26c19d78f—Kattis
ncna-2025ncna-20252025–2026North America?Baby Shark babyshark 9f8c82f8-1298-4fd4-a034-c74624c090da—Kattis
ncna-2025ncna-20252025–2026North America?Jack and Jill jackandjill d20fdac4-e2ba-49cf-bc0c-8a546ad749b2—Kattis
ncna-2025ncna-20252025–2026North America?Jumping Spiders jumpingspider 12b438bd-5edb-425a-aa91-3a7dcedad5f6—Kattis
ncna-2025ncna-20252025–2026North America?Merging Items mergingitems 1726919c-b653-49c9-910d-978a88f8a1ff—Kattis
ncna-2025ncna-20252025–2026North America?Palindromic Paths palindromicpath f0552705-4bfb-4711-8863-d5e79d7b9f67—Kattis
ncna-2025ncna-20252025–2026North America?Shredded Bowling shreddedbowling 596bc3c2-f02f-40a8-aa30-4039e761c66a—Kattis
ncna-2025ncna-20252025–2026North America?Zip Line Course ziplinecourse 5033a05b-bc10-45e1-9df3-b69a5aaa27bf—Kattis
neerc-1996neerc-19961996–1997Northern Eurasia?Random Number caceb13b-44a4-42e6-a300-83ef32d434b3—ICPC Live Archive
neerc-1996neerc-19961996–1997Northern Eurasia?Table—ICPC Live Archive
neerc-1996neerc-19961996–1997Northern Eurasia?Black Box—ICPC Live Archive
neerc-1996neerc-19961996–1997Northern Eurasia?DEL command—ICPC Live Archive
neerc-1996neerc-19961996–1997Northern Eurasia?Parallelepiped walk—ICPC Live Archive
neerc-1996neerc-19961996–1997Northern Eurasia?Moscow time—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?References—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Sum of powers—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Game—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Crossword—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Magic of David Copperfield—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Puncher—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Flying Stars—ICPC Live Archive
neerc-1997neerc-19971997–1998Northern Eurasia?Divide et unita—ICPC Live Archive
neerc-1998neerc-19981998–1999Northern EurasiaAFalse coin—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-1998neerc-19981998–1999Northern EurasiaBRating—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-1998neerc-19981998–1999Northern EurasiaCFence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-1998neerc-19981998–1999Northern EurasiaDParliament—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-1998neerc-19981998–1999Northern EurasiaEDefragment—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-1998neerc-19981998–1999Northern Eurasia?The dog task—ICPC Live Archive
neerc-1998neerc-19981998–1999Northern Eurasia?Spell checker—ICPC Live Archive
neerc-1998neerc-19981998–1999Northern Eurasia?Gangsters—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Computer Dialogue—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Divisibility—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Loan—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Expression—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Lock Manager—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Dictionary—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Highways—ICPC Live Archive
neerc-1999neerc-19991999–2000Northern Eurasia?Advertisement—ICPC Live Archive
neerc-2000neerc-20002000–2001Northern Eurasia?Flip Game—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Buffer Manager—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Triathlon—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Domino Puzzle—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Binary Search—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Frontier—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Garland—ICPC Live Archive · Timus Online Judge
neerc-2000neerc-20002000–2001Northern Eurasia?Disk Tree—ICPC Live Archive · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaATeam them up!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaBBrackets sequence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaCCable master—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaEChemical reactions—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaFStatistical trouble—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern EurasiaGLibrary—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Timus Online Judge
neerc-2001neerc-20012001–2002Northern Eurasia?Wall—ICPC Live Archive · Timus Online Judge
neerc-2001neerc-20012001–2002Northern Eurasia?Pairs of integers—ICPC Live Archive · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaAAmusing Numbers—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaBBricks—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaCCricket Field—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaDDecoding Task—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaEEvacuation Plan—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaFFolding—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaGGhost Busters—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaHHeroes Of Might And Magic—Codeforces Gym · Timus Online Judge
neerc-2002neerc-20022002–2003Northern EurasiaIInlay Cutters—Codeforces Gym · Timus Online Judge
neerc-2005neerc-20052005–2006Northern EurasiaGGuards—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaBBilling Tables—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaCCellular Automaton—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaDDriving Directions—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaEExchange—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaFFool’s Game—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaGGraveyard—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaIInterconnect—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2006neerc-20062006–2007Northern EurasiaJJava vs C++—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2007neerc-20072007–2008Northern EurasiaLDFA—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2008neerc-20082008–2009Northern EurasiaDMEGACITY—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2008neerc-20082008–2009Northern EurasiaIiSharp—Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaAAsteroids—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaBBusiness Center—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaDDatabase—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaEExclusive Access 2—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaFFunny Language—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaGGarbling Game—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaHHeadshot—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaIInspection—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaJJava Certification—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2009neerc-20092009–2010Northern EurasiaKK-equivalence—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2010neerc-20102010–2011Northern EurasiaAAlignment of Code—DMOJ · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaBBinary Operation—DMOJ · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaCCactus Revolution—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaDDome of Circus—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaEEvacuation Plan—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaFFactorial Simplification—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaGGame of 10—Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaHHands of Poker—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaIIdeal Path—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2010neerc-20102010–2011Northern EurasiaJJungle Outpost—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2010neerc-20102010–2011Northern EurasiaKK-Graph Oddity—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaAASCII Area—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2011neerc-20112011–2012Northern EurasiaBBinary Encoding—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaCCaption—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaDDictionary Size—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2011neerc-20112011–2012Northern EurasiaEEve—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2011neerc-20112011–2012Northern EurasiaFFlights—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaGGCD Guessing Game—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2011neerc-20112011–2012Northern EurasiaHHuzita Axiom 6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaIInteractive Permutation Guessing—Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaJJourney—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaKKingdom Roadmap—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2011neerc-20112011–2012Northern EurasiaLLanes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2012neerc-20122012–2013Northern EurasiaCCaravan Robbers—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2012neerc-20122012–2013Northern EurasiaDDisjoint Regular Expressions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2012neerc-20122012–2013Northern EurasiaEExact Measurement—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2012neerc-20122012–2013Northern EurasiaKKingdom Reunion—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaAASCII Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaBBonus Cards—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaCCactus Automorphisms—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaDDictionary—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaEEasy Geometry—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaFFraud Busters—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaGGreen Energy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaHHack Protection—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaIInteractive Interception—Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaJJoin the Conversation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2013neerc-20132013–2014Northern EurasiaKKabaleo Lite—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaAAlter Board—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2014neerc-20142014–2015Northern EurasiaBBurrito King—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaCCactus Generator—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaDDamage Assessment—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaEEpic Win!—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaFFilter—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaGGomoku—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaHHidden Maze—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaIImprovements—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2014neerc-20142014–2015Northern EurasiaJJokewithpermutation—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2014neerc-20142014–2015Northern EurasiaKKnockout Racing—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaAAdjustment Office—Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
neerc-2015neerc-20152015–2016Northern EurasiaBBinary vs Decimal—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaCCactus Jubilee—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaDDistance on Triangulation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaEEasy Problemset—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaFFroggy Ford—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaGGenerators—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaHHypercube—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaIIceberg Orders—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaJJump—Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaKKing’s Inspection—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2015neerc-20152015–2016Northern EurasiaLLandscape Improved—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaAAbbreviation—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaBBinary Code—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaCCactus Construction—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaDDelight for a Cat—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaEExpect to Wait—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaFForeign Postcards—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaGGame on Graph—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaHHard Refactoring—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaIIndiana Jones and the Uniform Cave—Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaJJenga Boom—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaKKids Designing Kids—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaLList of Primes—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
neerc-2016neerc-20162016–2017Northern EurasiaMMole Tunnels—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nena-1998nena-19981998–1999North America?The Return of the Roman Empire—ICPC Live Archive
nena-1998nena-19981998–1999North America?DNA Sequencing—ICPC Live Archive
nena-1998nena-19981998–1999North America?Transform those strings—ICPC Live Archive
nena-1998nena-19981998–1999North America?We Ship Cheap—ICPC Live Archive
nena-1998nena-19981998–1999North America?Fibinary Numbers—ICPC Live Archive
nena-1998nena-19981998–1999North America?Pentominos—ICPC Live Archive
nena-2000nena-20002000–2001North America?Mini-Spreadsheet—ICPC Live Archive
nena-2000nena-20002000–2001North America?Reserve Bookshelf—ICPC Live Archive
nena-2000nena-20002000–2001North America?Clock—ICPC Live Archive
nena-2000nena-20002000–2001North America?Triangle Encapsulation—ICPC Live Archive
nena-2000nena-20002000–2001North America?Tribal Legislation—ICPC Live Archive
nena-2000nena-20002000–2001North America?Floating Point Numbers—ICPC Live Archive
nena-2000nena-20002000–2001North America?Bio - Informatics—ICPC Live Archive
nena-2000nena-20002000–2001North America?Roman Forts—ICPC Live Archive
nena-2001nena-20012001–2002North America?Duplicate Bridge—ICPC Live Archive
nena-2001nena-20012001–2002North America?Give me a break!—ICPC Live Archive
nena-2001nena-20012001–2002North America?5 Games of BINGO!—ICPC Live Archive
nena-2001nena-20012001–2002North America?Well-connected—ICPC Live Archive
nena-2001nena-20012001–2002North America?Anagrams by Stack—ICPC Live Archive
nena-2001nena-20012001–2002North America?Let's compute—ICPC Live Archive
nena-2001nena-20012001–2002North America?Stay in the Light—ICPC Live Archive
nena-2013nena-20132013–2014North America?DVDs dvds 6e9d5b8d-0f31-4d73-81cf-04069dd66363—Kattis
nena-2013nena-20132013–2014North America?Palindromes in crosswords palindromecrossword 15d866fc-2ccd-4003-8cca-8d84502e1f39—Kattis
nena-2013nena-20132013–2014North America?Pegs peggame 33047cd2-45a9-4b5b-96d8-78f97d16a891—Kattis
nena-2013nena-20132013–2014North America?Pipes pipes 4d05ec59-f852-4620-a216-974e580b0b97—Kattis
nena-2013nena-20132013–2014North America?Robot in a Maze robotmaze a2417370-4f66-41d9-a14d-f63c97ab3e0b—Kattis
nena-2013nena-20132013–2014North America?WordSpin wordspin 7ffc7d0c-57ee-4a49-9e98-b633d62c85dd—Kattis
nena-2014nena-20142014–2015North America?Avoidland avoidland b23e4f89-c282-4985-88b2-a93c0f226262—Kattis
nena-2014nena-20142014–2015North America?Brick Wall brickwall 0bb0d426-66db-4ef5-9127-096517841db0—Kattis
nena-2014nena-20142014–2015North America?Cake cake 0503882b-d311-41fa-a98b-a4df74fb336b—Kattis
nena-2014nena-20142014–2015North America?Cover up coverup f3850d8d-f649-44cf-8c9b-328efd55a161—Kattis
nena-2014nena-20142014–2015North America?Hopper hopper a6da1a28-227b-4512-8e5f-940713b6d2b7—Kattis
nena-2014nena-20142014–2015North America?Rebel Die rebeldie 5396521a-f77c-4f41-9e5d-65bfc6e6e31a—Kattis
nena-2014nena-20142014–2015North America?Sheep Pen sheep afc4f017-6543-467d-8ecb-c05ec44aabaf—Kattis
nena-2019nena-20192019–2020North AmericaAAdd 'Em Up! addemup—Kattis
nena-2019nena-20192019–2020North AmericaBThe Colonization of El-gă-rizm thecolonizationofelgarizm—Kattis
nena-2019nena-20192019–2020North AmericaCCutting the Necklace cuttingthenecklace—Kattis
nena-2019nena-20192019–2020North AmericaDFair Divisions fairdivisions—Kattis
nena-2019nena-20192019–2020North AmericaEGuess the Digits guessthedigits—Kattis
nena-2019nena-20192019–2020North AmericaFMonument Maker monumentmaker—Kattis
nena-2019nena-20192019–2020North AmericaGProtecting the Collection protectingthecollection—Kattis
nena-2019nena-20192019–2020North AmericaHThe Sock Pile thesockpile—Kattis
nena-2019nena-20192019–2020North AmericaIStickers stickers—Kattis
nena-2019nena-20192019–2020North AmericaJThe Wire Ghost thewireghost—Kattis
nena-2020nena-20202020–2021North AmericaARating Problems ratingproblems—Kattis
nena-2020nena-20202020–2021North AmericaBSmoothie Stand smoothiestand—Kattis
nena-2020nena-20202020–2021North AmericaCExam Manipulation exammanipulation—Kattis
nena-2020nena-20202020–2021North AmericaDAnt Typing anttyping—Kattis
nena-2020nena-20202020–2021North AmericaENo Thanks! nothanks—Kattis
nena-2020nena-20202020–2021North AmericaFUnread Messages unreadmessages—Kattis
nena-2020nena-20202020–2021North AmericaGBad Packing badpacking—Kattis
nena-2020nena-20202020–2021North AmericaHBitonic Ordering bitonicordering—Kattis
nena-2020nena-20202020–2021North AmericaITriangular Collection triangularcollection—Kattis
nena-2020nena-20202020–2021North AmericaJKth Subtree kthsubtree—Kattis
nena-2020nena-20202020–2021North AmericaKLongest Common Subsequence longestcommonsubsequence—Kattis
nena-2020nena-20202020–2021North AmericaLPainted Corridors paintedcorridors—Kattis
nena-2020nena-20202020–2021North AmericaMRainbow Numbers rainbownumbers—Kattis
nena-2020nena-20202020–2021North AmericaNBasic Basis basicbasis—Kattis
nena-2020nena-20202020–2021North AmericaOExciting Tournament excitingtournament—Kattis
nena-2020nena-20202020–2021North AmericaPCondorcet condorcet—Kattis
nena-2020nena-20202020–2021North AmericaQTripTik triptik—Kattis
nena-2020nena-20202020–2021North AmericaRDerangement Rotations derangementrotations—Kattis
nena-2021nena-20212021–2022North AmericaADouble Password doublepassword—Kattis
nena-2021nena-20212021–2022North AmericaBTree Hopping treehopping—Kattis
nena-2021nena-20212021–2022North AmericaCTetris Generation tetrisgeneration—Kattis
nena-2021nena-20212021–2022North AmericaDDorm Room Divide dormroomdivide—Kattis
nena-2021nena-20212021–2022North AmericaERise and Fall riseandfall—Kattis
nena-2021nena-20212021–2022North AmericaFCircle Bounce circlebounce—Kattis
nena-2021nena-20212021–2022North AmericaGDiagonals diagonals—Kattis
nena-2021nena-20212021–2022North AmericaHXOR Island xorisland—Kattis
nena-2021nena-20212021–2022North AmericaIFail Them All! failthemall—Kattis
nena-2021nena-20212021–2022North AmericaJHopscotch 500 hopscotch500—Kattis
nena-2021nena-20212021–2022North AmericaKProblem Set Construction problemsetconstruction—Kattis
nena-2021nena-20212021–2022North AmericaLShortest Missing Subsequences shortestmissingsubsequences—Kattis
nena-2022nena-20222022–2023North AmericaACut the Negativity cutthenegativity—Kattis
nena-2022nena-20222022–2023North AmericaBDetermining Nucleotide Assortments nucleotides—Kattis
nena-2022nena-20222022–2023North AmericaCEsthetic Fences estheticfences—Kattis
nena-2022nena-20222022–2023North AmericaDHilbert's Hedge Maze hilbertshedgemaze—Kattis
nena-2022nena-20222022–2023North AmericaEIt's About Time itsabouttime—Kattis
nena-2022nena-20222022–2023North AmericaFMagic Word Square magicwordsquare—Kattis
nena-2022nena-20222022–2023North AmericaGPicking Up Steam pickingupsteam—Kattis
nena-2022nena-20222022–2023North AmericaHRoad To Savings roadtosavings—Kattis
nena-2022nena-20222022–2023North AmericaIRoom to Grow roomtogrow—Kattis
nena-2022nena-20222022–2023North AmericaJSimple Solitaire simplesolitaire—Kattis
nena-2022nena-20222022–2023North AmericaKTwo Charts Become One twochartsbecomeone—Kattis
nena-2022nena-20222022–2023North AmericaLWhich Warehouse? whichwarehouse—Kattis
nena-atlantic-2016nena-atlantic-20162016–2017North America?Ocean's Anti-11 anti11 594111e7-86a0-42a5-a417-4858973118dd—Kattis
nena-atlantic-2016nena-atlantic-20162016–2017North America?Royal Family Tree royalfamilytree 547c1364-cec5-4eda-a12e-d848f7cad058—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?AVL++ avlplusplus 5b45437f-ac08-4b2a-8eb4-cb994f1513e9—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Baseball Packs baseball 7928b483-9d8f-43c3-b710-83f918b429a5—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Euphemisms-Shmeuphemisms euphemisms 0a90f009-ce13-497b-a16c-9b9db918ed71—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Groupthink groupthink 0dad841d-d7ad-4815-a927-101e0e8bb62d—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Integrity for spies integrity c0a1de2a-2a6c-4c32-a7a2-5f42ade39f46—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Optimizing Stock on Shelves shelvesproblem 1c6ca2f8-362f-4a7b-878a-7b5eb17c26aa—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?RPN Calculator rpn 8bd00217-9d08-40e9-b6ad-4073b79cc648—Kattis
nena-atlantic-2017nena-atlantic-20172017–2018North America?Slider Puzzle sliderpuzzle 574ab548-84c7-4e44-b2a7-da12aa6a4468—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Divisibility Shortcut shortcut e8470253-de6b-45ac-a8b0-f3d7fa6d9806—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Driver's Dilemma driversdilemma b91aff7c-ec35-4fe6-9ecd-871ac72046bc—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Fog Catchers fogcatchers f848dc1f-0b8a-48a3-9bf1-99b82940d9e8—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Lorem Ipsum loremipsum 0514791c-b88a-497d-b37a-bb52e3cec492—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Luhn's Checksum Algorithm luhnchecksum 30e937c1-de39-4442-b9c5-7bd3f3b5e9e5—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Multi-Year Contest Scheduling contestscheduling 53f64b9e-204b-4d9f-8f4a-292b0e5d65e9—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Party Game partygame 80ed304b-b620-48ae-87d1-c985e2e8dba5—Kattis
nena-atlantic-2018nena-atlantic-20182018–2019North America?Send More Money sendmoremoney 9d704689-aac9-402b-b3b3-9f8b3302a09a—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?ARMPIT Computations armpitcomputations ee015224-2ec8-4609-a642-5906b125591d—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?Flood Modeling d1274194-5b58-4e8f-8912-bc19a69817e1—
nena-atlantic-2019nena-atlantic-20192019–2020North America?Happy and Unhappy Numbers happyandunhappynumbers f020bd3e-6991-4370-ab68-f294502564b0—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?Largest Hoarding largesthoarding c50b50a8-1cf7-4c81-a08e-26ef3fb5eea6—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?Meeting Points meetingpoints 9df3e3de-aba0-4634-8469-46606c3efb81—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?Shortlex shortlex 4f1a2bd2-57f2-4e5f-96e8-c93d94c20695—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?Space Mail spacemail e3484382-3c92-4772-8039-62243af7eb19—Kattis
nena-atlantic-2019nena-atlantic-20192019–2020North America?UTF-8 utf8 fb87b155-d470-4dd1-a87b-3a7525a6bc21—Kattis
nerc-2017nerc-20172017–2018Northern EurasiaAArchery Tournament—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaBBox—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaCConnections—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaDDesigning the Toy—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaEEasy Quest—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaFThe Final Level—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaGThe Great Wall—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaHHack—Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaIInteractive Sort—Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaJJourney from Petersburg to Moscow—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaKKnapsack Cryptosystem—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2017nerc-20172017–2018Northern EurasiaLLaminar Family—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaAAlice the Fan—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaBBimatching—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaCCactus Search—Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaDDistance Sum—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaEEasy Chess—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaFFractions—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaGGuest Student—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaHHarder Satisfiability—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaIInterval-Free Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaJJS Minification—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaKKing Kog’s Reception—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaLLazyland—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2018nerc-20182018–2019Northern EurasiaMMinegraphed—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaAApprentice Learning Trajectory—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaBBalls of Buma—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaCCactus Revenge—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaDDevOps Best Practices—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaEElections—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaFFoolprüf Security—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaGGame Relics—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaHHelp BerLine—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaIIntriguing Selection—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaJJust Arrange the Icons—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaKKey Storage—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2019nerc-20192019–2020Northern EurasiaLLexicography—Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaAASCII Automata Art—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaBButton Lock—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaCCactus Not Enough—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaDDigits—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaEEquilibrium Point /\textbackslash/\textbackslash—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaFFiber Shape—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaGGuide—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaHHard Optimization—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaIIs It Rated?—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaJJapanese Game—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaKKing's Task—Codeforces Gym · Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaLLookup Performance—Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaMMiser—Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaNNew Flat—Codeforces Gym
nerc-2020nerc-20202020–2021Northern EurasiaOOptimum Server Location—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaAAdmissible Map—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaBBudget Distribution—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaCConnect the Points—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaDDeletive Editing—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaEEven Split—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaFFancy Stack—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaGGlobal Warming—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaHHeroes of Might—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaIInteractive Treasure Hunt—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaJJob Lookup—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaKKingdom Partition—Codeforces Gym
nerc-2021nerc-20212021–2022Northern EurasiaLLabyrinth—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaAAmazing Trick—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaBBinCoin—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaCCactus Meets Torus—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaDDominoes—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaEEasy Assembly—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaFFootball—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaGGame of Questions—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaHHot and Cold—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaIInteractive Factorial Guessing—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaJJumbled Trees—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaKKing's Puzzle—Codeforces Gym
nerc-2022nerc-20222022–2023Northern EurasiaLLisa's Sequences—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaAAccumulator Apex—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaBBlueprint for Seating—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaCCactus Transformation—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaDDivisibility Test—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaEEvaluate It and Back Again—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaFFugitive Frenzy—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaGGreat City Saint Petersburg—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaHHypercatapult Commute—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaIInnovative Washing Machine—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaJJoy of Pokémon Observation—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaKKim's Quest—Codeforces Gym
nerc-2023nerc-20232023–2024Northern EurasiaLLOL Lovers—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaAAdrenaline Rush—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaBBitBitJump—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaCCactus without Bridges—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaDDAG Serialization—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaEExpression Correction—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaFFix Flooded Floor—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaGGeometric Balance—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaHHunting Hoglins in Hogwarts—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaIIncompetent Delivery Guy—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaJJudicious Watching—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaKKnowns and Unknowns—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaLLegacy Screensaver—Codeforces Gym
nerc-2024nerc-20242024–2025Northern EurasiaMManaging Cluster—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaAAlphabet City—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaBBattle of Arrays—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaCCacti Classification—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaDDoorway—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaEElevator Against Humanity—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaFFragmented Nim—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaGGreta's Game—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaHHoney Cake—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaIIrrigation Interlock—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaJJinx or Jackpot—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaKKnit the Grid—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaLLLM Training—Codeforces Gym
nerc-2025nerc-20252025–2026Northern EurasiaMMedical Parity—Codeforces Gym
nordic-2002nordic-20022002–2003EuropeAThe Mailbox Manufacturers Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeBParallel computer simulator—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeCMoving Pianos—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeDCollecting Beepers—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeEQuantum—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeFGoldbach’s conjecture—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeGDownpayment—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2002nordic-20022002–2003EuropeHSimplified λ-evaluations—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeAHardware—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeBBudget—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeCFrogger—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeDGallup—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeEJackpot—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeFSpiderman’s workout—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeGSubway planning—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2003nordic-20032003–2004EuropeHExploding CPU—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeAPizza delivery—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeBBall bearings—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeCS-Nim—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeDSylvester construction—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeEWho owns the Amiga?—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeFLazy Evaluation—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeGEaster holidays—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2004nordic-20042004–2005EuropeHTourist—Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2005nordic-20052005–2006Europe?Crashing Robots crashingrobots 50263d9d-c0ed-495f-a2c9-85f407a0b435—Kattis
nordic-2005nordic-20052005–2006Europe?Electrical Outlets electricaloutlets 4cbfbcfa-b069-42be-a624-5a2c2e650809—Kattis
nordic-2005nordic-20052005–2006Europe?Funny Games funnygames f4912700-65df-4818-9050-7861b9747dde—Kattis
nordic-2005nordic-20052005–2006Europe?Necklace Decomposition necklacedecomposition e80e1c14-6cf1-47e0-a92f-883c013aff4f—Kattis
nordic-2005nordic-20052005–2006Europe?Nullary Computer nullarycomputer f01862b3-525e-4bc4-828d-c1560be2e697—Kattis
nordic-2005nordic-20052005–2006Europe?Playground playground e1840bd5-4810-4621-856b-f61fc833674c—Kattis
nordic-2005nordic-20052005–2006Europe?The Embarrassed Cryptographer embarrassedcryptographer f9ac8d6c-2d7f-40d3-aca2-4cfca5911cbe—Kattis
nordic-2005nordic-20052005–2006Europe?Worst Weather Ever worstweather a9eb7a77-c893-4b77-884d-dad562aff651—Kattis
nordic-2006nordic-20062006–2007EuropeDJezzBall jezzball ee44b8e3-db4a-4e95-bf55-2d36a12ce0de—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2006nordic-20062006–2007EuropeGWhac-a-Mole whacamole f5929352-2109-48bf-a8ec-ba9d6e37c330—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2006nordic-20062006–2007EuropeHRandom Walking randomwalking 9242a539-8311-49ee-84cf-ab012ac52d1f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2006nordic-20062006–2007Europe?Card Trick cardtrick2 10721c6d-f93b-41ed-803c-c858d40d342c—Kattis
nordic-2006nordic-20062006–2007Europe?Honeycomb Walk honey 97b99360-da96-42d7-afc0-e476345d4e17—Kattis
nordic-2006nordic-20062006–2007Europe?Nasty Hacks nastyhacks b29d086c-248d-44dc-86ed-058fc2ccbb08—Kattis
nordic-2006nordic-20062006–2007Europe?Shoot-out shootout d134b566-a00d-491f-8002-7c346b4e1180—Kattis
nordic-2006nordic-20062006–2007Europe?Tour Guide tourguide e5b50868-7055-4bf5-9735-74cd3dc68031—Kattis
nordic-2006nordic-20062006–2007Europe?Traveling Salesman travelingsalesman 4922817f-991d-416a-b7d8-0f6bb06f0a02—Kattis
nordic-2007nordic-20072007–2008EuropeBCuckoo Hashing cuckoo cd57e64c-1620-44b4-9283-774980a07d5f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2007nordic-20072007–2008EuropeECircle of Debt debt 96bac70f-4958-4065-bf5f-6ad77f9a0957—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2007nordic-20072007–2008EuropeFFull Tank? fulltank c901d7f3-0cdc-4899-aa55-eb919b78d99a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2007nordic-20072007–2008EuropeGNested Dolls nesteddolls 0078482f-3174-4798-9b63-ff3c387bfdb0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2007nordic-20072007–2008EuropeHShopaholic shopaholic 6eddf8ca-fb3c-4120-b4f2-f62c82db80cf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2007nordic-20072007–2008Europe?Copying DNA copyingdna 50bb9c58-e3e0-43d0-aaec-4e2f9395d1ef—Kattis
nordic-2007nordic-20072007–2008Europe?Moogle moogle 1d1d4f54-9b5a-48f9-baad-98afa7eba42e—Kattis
nordic-2007nordic-20072007–2008Europe?Parking parking2 0eb1aff7-f545-41f4-a393-b02d3ff576be—Kattis
nordic-2007nordic-20072007–2008Europe?Phone List phonelist a3d698ac-e583-4864-a68a-74dbeaa46196—Kattis
nordic-2008nordic-20082008–2009EuropeAAspen Avenue aspenavenue 696ce2d2-d4b1-429e-b5a4-b1a8bc7e8a82—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeBBest Compression Ever bestcompression 0e9f6454-3bf0-4426-a1bc-45d89c780369—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeCCode Theft codetheft 8651ff3a-f6c9-4a26-bf85-b5a07198a5f3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeDDinner dinner d3001b7b-75e1-43a9-b8fa-a67ad605706d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeEEvent Planning eventplanning 3a483ba5-9b7d-4f1f-819d-b8034422d209—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeFFixing the Bugs fixingbugs 964f7dc3-7361-4ab2-a4e3-7f50b128318c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeGGetting Gold gold be03105c-e263-40e6-8f7a-cabe735069f6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeHHard Evidence hardevidence e30d6e58-2f97-4aa3-9858-c928d9253658—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeIIntrospective Caching caching b653039b-c0e1-4c48-a1b0-d8d961777b84—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2008nordic-20082008–2009EuropeJJust A Few More Triangles! moretriangles 80689d40-f64a-4859-969c-32d70c479113—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2009nordic-20092009–2010EuropeASoda Slurper sodaslurper be8b96ea-56f2-4781-8a37-2d347fcf115a—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2009nordic-20092009–2010EuropeBMoney Matters moneymatters c1d61419-7263-47c4-b034-c9eedd30d706—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeCAllergy Test allergy 7e49f2b8-1bfd-4c62-a117-b512a4b80e4a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeDRain Fall rainfall2 8604bf9b-183b-4939-8d69-8c2e9d438a76—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeESpeedy Escape speedyescape 99b4b8d7-6f27-4544-ad5e-e369341a294b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeFGokigen Naname gokigen 3ead6515-2e55-4375-966e-83c0d3e23f96—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeGFlight Planning flight df3b3626-5ff0-4e25-8bfd-bc70670c1e33—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeHBeacons beacons 89bbb159-ea28-4696-848c-f5bf7ae9ce9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeIPlayfair Cipher playfair 9cfb95ec-c65e-4213-a2aa-c8104f3a9fcb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2009nordic-20092009–2010EuropeJCode Permutations codepermutations da6a5f52-1638-48f1-a346-93bd84ed1dc1—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2010nordic-20102010–2011EuropeASuccession succession 1c248f34-0c1c-4cb3-8a58-a8727a054930—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2010nordic-20102010–2011EuropeBConnect connect 7fc2be66-258a-4faa-ab2d-9dab286e878a—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2010nordic-20102010–2011EuropeCBorg Boogie borgboogie 641e24ec-07cf-478a-9b18-013e9608bf86—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeDDirty Driving dirtydriving 11471839-2466-4bd9-9333-98e947f38878—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeEDoodling doodling f51dd143-51bd-4a67-a85c-4b3529f4d1ef—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2010nordic-20102010–2011EuropeFHelp a PhD candidate out! helpaphd a87ccb75-cbab-4773-bc86-1856a4ef3c24—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2010nordic-20102010–2011EuropeGGreat Geek Game-show 3000! greatgeekgameshow 0b287656-97d9-467c-995b-155f1157880e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeHPolyomino Powers polyomino bedc669c-0d64-48c0-a226-c4280a2cc2d2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeIStatisticians statisticians f45f3d57-30a2-4d1e-a113-4194ca3d6b85—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeJSkyline skyline ebf7e5b0-015c-4838-b225-5d4d317a9c7b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2010nordic-20102010–2011EuropeKAround the track aroundthetrack2 5a1dc804-e6c0-4361-adf4-305de7e0a0a9—Kattis · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeARobots on a Grid robotsonagrid 5a4fc5f2-b357-4078-b8ce-bd459f643fab—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeBMega Inversions megainversions e1258f6a-2eaf-4a3a-b5bd-73ad4614c88a—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2011nordic-20112011–2012EuropeCDeath Knight Hero deathknight 7382f5ab-8b49-47fc-b6d4-7c48fef7280f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeDElevator Trouble elevatortrouble a82d4ab4-9d04-404f-a63a-eb5bf11b2fa3—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2011nordic-20112011–2012EuropeEls ls ca76a05d-eecd-4929-aa02-447066ec3d14—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeFKnigs of the Forest knigsoftheforest b422e5fa-a48a-423a-8e58-6a14c8d726d8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeGCar Trouble cartrouble 3b387d96-d493-413d-8efe-cf3c26077903—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeHPrivate Space privatespace fbecb24c-128f-4974-805c-374bb58b909b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2011nordic-20112011–2012EuropeIPrime Time primetime 0b8df784-602b-4060-b90a-2d804756b76d—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2011nordic-20112011–2012EuropeJEnemy Division enemydivision c4b2026c-6dcf-4474-ab8c-f1c38622628e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeAAaah! aaah 5eeb0a80-3d68-4894-96f9-31a27364cc61—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeBBread Sorting bread e36924d0-bfc9-4ce8-9518-5045ab0aa5ba—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeCCookie Selection cookieselection 12b95e8a-db40-4406-9041-7ed5a20fe502—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeDDoorman doorman 9cdda518-f7d1-4a54-a2ca-01dfd265741d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeEEco-driving ecodriving d07f3101-67c4-424d-bd15-203026525543—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeFFood Review foodreview 6f712159-d871-4e82-ba10-7c213bd0c53c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeGGalactic Warlords galactic 70912df1-3fd8-40d4-8333-577ccf03c0a4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeHHorror List horror 18bbc06f-19d5-4a8e-a660-3cdd60dfca86—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeIInfiltration infiltration ed5f8eae-b0e0-49bd-bcff-bc7952d9cbc6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeJJuice juice c8f2f5cc-1f2f-47c8-8654-cacb91e0ef7e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeKKindergarten kindergarten de8ac055-b9c0-4134-a492-823429ceba2d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2012nordic-20122012–2013EuropeLLuggage luggage bf38f0f3-a926-49dd-93ab-1c7208ea890e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeAAdjoin the Networks adjoin 56e55016-b415-4a28-839c-cb546e8ef44c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeBBell Ringing bells 5c9b093e-4043-48bd-a39c-cb172c6ada4a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeCCryptographer's Conundrum conundrum 95690516-f814-48db-ac26-b3fa07ecf5c0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeDDisastrous Downtime downtime 9364c008-7a9f-4972-aa4a-dbf17892859b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeEEntertainment Box entertainmentbox 0b213ecd-69af-4ecf-a391-60b41e0628ab—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeFFloppy Music floppy c7975607-28e7-4992-8a7f-6d6d16cf185c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeGGoblin Garden Guards goblingardenguards 9aa27464-fba0-4ab4-a25f-188ab9e8202c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeHHero Power heropower 1aaf9639-ba81-4e5b-af15-29d25e9f1685—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeIiCar icar 1342bd37-6ec2-4dc4-9869-b4f337f907b7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2015nordic-20152015–2016EuropeJJust a Quiz justaquiz be92f34a-fc27-446e-b7d4-4d9674cee248—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeAArtwork artwork 9102aba6-fa66-419a-a94c-0c6dbd37a494—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeBBless You Autocorrect! autocorrect 9901d5e5-444e-4f3e-b18a-44ac47963a31—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeCCard Hand Sorting cardhand 22f6c871-7696-4922-b410-79deeb2b71d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeDDaydreaming Stockbroker stockbroker 4f3b057e-9f32-44a9-b4fd-d268baf7033f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeEExponial exponial b91cbfde-e4cf-41c7-a034-9a779b676da9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeFFleecing the Raffle raffle 519570b0-0c66-4ef0-bd61-f82f722bf83f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeGGame Rank gamerank 42239d8a-4450-49da-a8fc-b6600fa60fb1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeHHighest Tower tower 6c1576a8-74a7-48f1-b020-482d147e524b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeIInterception interception 7e40a82f-d7c0-4bad-a8ab-b4a04a9f40f5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeJJumbled Compass compass 0a54c5e8-2311-43d0-ad77-4081c4239392—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2016nordic-20162016–2017EuropeKKeeping the Dogs Apart dogs 93df5027-e860-4f39-abf9-6cfe3c89424f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeAAirport Coffee airportcoffee 0631c296-84c1-40c0-b4c0-d83d96d7306b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeBBest Relay Team bestrelayteam e75aeca7-a371-403b-8395-dbb84d8986c5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeCCompass Card Sales compasscard 43fe8464-3526-4d61-861c-52f0afeeffc7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeDDistinctive Character distinctivecharacter 22d9cf2c-398a-49fe-9f38-55441aa70ffb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeEEmptying the Baltic emptyingbaltic c44ccb6f-07e9-459c-9970-6ff2b8661ace—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeFFractal Tree fractaltree 2f722929-e44e-4f0c-b96b-8b2c4baa9b29—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeGGalactic Collegiate Programming Contest gcpc 75ab9d68-eda2-4cbe-99d0-00318bfc9d4b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeHHubtown hubtown ac2c9e3f-a13b-4fd4-af6f-193a02d62898—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeIImport Spaghetti importspaghetti 82f101fc-0fb8-40e6-bc0e-370c3fc0c7aa—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeJJudging Moose judgingmoose 1c2af525-333d-4245-b7bd-554b926431ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2017nordic-20172017–2018EuropeKKayaking Trip kayaking dadb0608-704b-4e4f-a742-a4a2d39b96aa—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeAAltruistic Amphibians altruisticamphibians ca182f7e-2073-4ca3-a715-17e26d19d40a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeBBaby Bites babybites ad1fe46a-ef41-4bfd-8b7d-c5cc31e50b54—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeCCode Cleanups codecleanups 9934cbb8-cd7c-4a06-966d-5e9fe8fc38e8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeDDelivery Delays deliverydelays 29582629-16b3-41a4-a057-54239761474d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeEExplosion Exploit explosion ce4dbfb3-bc69-457e-98f6-60adc4d59aff—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeFFiring the Phaser firingphaser f8260bb1-6a9a-477a-987c-b9af90d2c9f5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeGGame Scheduling gamescheduling 0461c58e-3774-4530-8f25-eda6a6cbdfb2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeHHouse Lawn houselawn 8d3e8b55-fb25-4efd-96ec-c72e42964488—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeIIntergalactic Bidding intergalacticbidding 05e2a69e-e717-48c9-b68e-e7d80f9a7452—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeJJumbled String jumbledstring 15fe75f1-ed75-4841-9ecb-41e282604763—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2018nordic-20182018–2019EuropeKKing's Colors kingscolors 7ab26644-f0d1-4036-b51d-ac9f1e7b54ec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeAAlphabet Animals alphabetanimals 03b03b65-2f97-4a6a-ba62-bfe9a6ceb846—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeBBuilding Boundaries buildingboundaries 5253c7ab-8fb7-43b9-a76d-9cb8d8e40e83—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeCCocoa Coalition cocoacoalition 1b6730f4-17dc-48eb-98a6-c06a91f5cd81—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeDDungeon Dawdler dungeondawdler efd17c89-77fa-40fc-9129-87381a216907—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeEEeny Meeny eenymeeny 6bdb61ad-470e-4257-9132-5beb092acecd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeFFlow Finder flowfinder e844290b-2eff-4960-8d66-12457eed23c8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeGGame of Gnomes gameofgnomes 55f6627d-a180-4206-8cbf-89d20a0a7c05—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeHHot Hike hothike 21b234b6-d596-42ae-a0d2-4626bc4a8d0d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeIIncremental Induction incrementalinduction c4ff8083-71ae-4913-84be-be80ef7790b2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeJJealous Youngsters jealousyoungsters d809e87d-c332-42f7-b45d-c099798915ce—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2019nordic-20192019–2020EuropeKKeep it Cool keepitcool 61229a07-789b-407d-b537-949438ee120c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeAArray of Discord arrayofdiscord 6d8509d6-ddec-4318-81c7-215f97e31165—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeBBig Brother bigbrother c003fe10-4876-4dad-ad87-7cbd1495564f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeCCoin Stacks coinstacks 72626d56-ee1a-45d8-adf1-195f1f92cd1f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeDDams in Distress damsindistress f3d5548a-4722-4990-a626-773a69f03e68—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeEExhaustive Experiment exhaustiveexperiment 090882bc-bc97-4a31-927b-f9e009cfadfb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeFFilm Critics filmcritics 1c911e7c-add2-45f6-9e38-19e7203c3379—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeGGig Combinatorics gigcombinatorics cebcdb67-88fe-464c-91e5-c377bbe67d53—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeHHiring and Firing hiringfiring a9b342b2-3cb2-47c6-a0a1-61a379445fe4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeIInfection Estimation infectionestimation e3a3d9ad-cc92-4065-b919-af1deb978c03—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeJJoining Flows joiningflows c6c60357-203f-4196-9f3a-84b6953205c9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeKKeep Calm And Carry Off keepcalmandcarryoff 81e1637c-3647-4fe1-b77d-872ec14d0df5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeLLanguage Survey languagesurvey 1c5e6751-1d1e-4258-9813-2410cf5af9ae—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2020nordic-20202020–2021EuropeMMethodic Multiplication methodicmultiplication 7fc06555-a4c1-46de-9af0-ea8b4147f03e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeAAntenna Analysis antennaanalysis c6098235-5aad-4874-b312-0254db75fbcd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeBBreaking Bars breakingbars c198c089-907d-4406-b3b6-35f6b1d0db45—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeCCustoms Controls customscontrols 74d75d80-bdf6-4298-9c26-76692e2d4fc3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeDDeceptive Directions deceptivedirections 5474689e-14b8-41ad-ab74-db521d7ed301—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeEEavesdropper Evasion eavesdropperevasion 8428b163-c472-4f8f-9129-456b49908552—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeFFortune From Folly fortunefromfolly c2746a51-199f-4840-ac6a-d9c9c5293489—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeGGrazed Grains grazedgrains 56c4d24f-bc3b-4069-bd1c-1d63afd80129—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeHHiring Help hiringhelp a7d7c628-19e7-48ea-bbcf-931034352fbe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeIIntact Intervals intactintervals c98d71d6-cae8-47ba-91bb-9fce0d20f04c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeJJoint Jog Jam jointjogjam 941b8977-99c4-4e22-b28a-699cb4c9742d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeKKnot Knowledge knotknowledge b5ef5445-db7a-45c2-926e-375d7bea4917—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeLLocust Locus locustlocus 76f8e3bf-4aa0-4aaf-88bd-20142c124fe4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2021nordic-20212021–2022EuropeMMarvelous Marathon marvelousmarathon 0873604f-1460-4fe5-a4b4-362bbb330b52—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeAAce Arbiter acearbiter 379fac9b-784e-4074-815c-4d8105248ac2—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeBBerry Battle berrybattle 9f349d18-89d1-44c5-8f1c-03f077a10c6b—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeCCoffee Cup Combo coffeecupcombo 7a4d0e12-e51c-4002-af52-818b5f61bef5—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeDDisc District discdistrict 2ddd43e6-66d1-431a-b20b-cf2c9c7fbf1c—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeEEnigmatic Enumeration enigmaticenumeration 580ebdb4-aada-45a5-9bae-2ccc03e824a7—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeFForeign Football foreignfootball 3ee84623-5d48-4fb6-af95-939d34408bcb—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeGGraduation Guarantee graduationguarantee b14ab50f-184f-4e4d-bef7-bfca4e0bc986—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeHHighest Hill highesthill 299cceb3-ab5b-4c0e-b0a5-c3592cf5cea6—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeIIcy Itinerary icyitinerary 673481ad-0b3a-42ca-a6c9-9b00a96e980a—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeJJunk Journey junkjourney b8a83979-1b53-440f-830c-0b1b77099ef7—Kattis · Codeforces Gym
nordic-2022nordic-20222022–2023EuropeKKeyboard Queries keyboardqueries 7d87160e-80db-4edc-a3b3-dcf3321684f0—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeAAperiodic Appointments aperiodicappointments 3d6a0f09-40ca-4f41-8853-30ee85f28903—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeBBerry Battle 2 berrybattle2 9f9457d7-2b09-485f-a4d1-dc66da2b8641—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeCConverting Romans convertingromans 467060eb-4643-488c-a123-3c51a9f42e23—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeDDie Hard diehard e9f66dac-9113-4042-83a9-5f18e79028ac—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeEElectronic Components electroniccomponents 1279a3c7-8ebf-41d7-b6d5-c841a396102a—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeFFactor-Full Tree factorfulltree f02066a7-2da3-40e6-834f-825bb0cb324d—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeGGroups of Strangers groupsofstrangers acc511a8-d2ef-45b5-9902-0ea779919a1c—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeHHeroes of Velmar heroesofvelmar 3b0f2864-fc88-44eb-a477-750f4cd27bec—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeIIntertwined intertwined 7b7b1f0b-75a8-468a-848e-d87b37458316—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeJJamboree jamboree 08692076-ddfa-4ff5-99c6-daded28c79b5—Kattis · Codeforces Gym
nordic-2023nordic-20232023–2024EuropeKKarl Coder karlcoder 8c1457a1-9feb-4046-81b7-6bdf01d49cf7—Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeAAvoiding the Abyss avoidingtheabyss 4e11ec75-55b4-4052-ab72-2589b49020e0—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeBBaseball Court baseballcourt 8ee7605a-fd2e-895d-201c-cd1863b26aaf—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeCComposed Rhythms composedrhythms 8ee7605a-8881-8734-17ff-a425a2f204a8—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeDDouble Deck doubledeck 7beedc9f-3927-417d-896d-46e8d8d0569e—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeEElapid Errands elapiderrands 43442af5-2593-45aa-ad68-1a742b88b079—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeFFence Fee fencefee 743c8c53-9300-4a2e-b586-3189ed85e181—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeGGuessing Passwords guessingpasswords dd5321e8-875c-441b-bfdb-aa69fda04cbd—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeHHotfix hotfix 8ee7605a-2e67-891b-1172-3665a1378c79—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeIInfinite Cash infinitecash 7ea7341a-7f8c-4a8d-a29a-d3901fe0d9af—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeJJungle Game junglegame 3363ab93-ee3a-448a-b100-f435ab28285d—Kattis · Kattis · Codeforces Gym
nordic-2024nordic-20242024–2025EuropeKKnitting Pattern knittingpattern 38d6e24a-67b6-4ad2-9683-1d305e502ec1—Kattis · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeAArithmetic Adaptation arithmeticadaptation 8ee7605a-59c9-8309-0a08-956fa5e72d76—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeBBohemian Bookshelf bohemianbookshelf 8ee7605a-5a60-8535-3d65-99ef2771076f—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeCCrochet Competition crochetcompetition 8ee7605a-87d9-8378-20e5-2b240afcb9c6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeDDune Dash dunedash b02a0537-e75a-4a51-bdd4-1b738294dbc1—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeEEgyptian Equality egyptianequality be6cc48d-8aae-4e33-b61c-9332e68de420—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeFFollower Forensics followerforensics c786514c-2e63-4c28-abfd-cf9b2bb827ff—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeGGotta Trade Some of 'Em gottatradesomeofem 9ce87540-7788-4099-8ccc-e640b2178e1c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeHHidden Permutation hiddenpermutation e90a9978-6e96-4452-83c7-c0bc6393b41b—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeIInstagraph instagraph 12981c73-1e28-4976-b057-f8f8aaf1d27c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeJJump jump a8a11d2d-7005-42f1-812a-964ceef1e7b9—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2025nordic-20252025–2026EuropeKkm/h kmh 8ee7605a-15ae-88ad-152c-49036812d082—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis · Codeforces Gym
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeAPlanting Trees plantingtrees 4aeadb3d-14ef-40a2-97db-410aead72ae0—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeBBoiling Vegetables vegetables cd9e6528-c065-47bb-97be-42c85feb1bdc—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeCNumber Trick trick 4abc0b76-9531-4dd5-bef5-fd6eb4092690—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeDRobert Hood roberthood 1d807abe-10a1-4108-867a-54fc75ce11f0—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeEVirus Replication virus 18751ba0-0c90-4781-a14d-6a6933260498—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeFTimebomb timebomb eb2669b0-a740-43d5-b181-cc94a31a9ba5—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeGErase Securely erase 15e750be-6658-4929-a97c-32377bfae8be—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeHPinball pinball a1872ecd-cae3-4b43-889e-76d350b6f1b1—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeIDance Reconstruction dance bbe8b87f-e7ef-44b8-ab44-bb625ffa7a96—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeJDartboard dartboard 5834e022-4ee2-46d1-86df-d56533bf66e3—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2013, ukiepc-2013nordic-ukiepc-20132013–2014EuropeKCliff Walk cliffwalk d7edfdcf-0fb1-4316-8f61-5f4adf3d84fd—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeAAmanda Lounges amanda 4ecb6d22-8cc2-4e51-b838-6a828e3e3b47—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeBBasin City Surveillance basincity 5f5bbd5b-661b-439b-a083-970a9ce31f31—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeCCatalan Square catalansquare 8364f9d3-fdac-4d48-bd31-94fe05cf01ed—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeDDice Game dicegame 04151a53-eef5-41b1-b43d-01ccca56ee5c—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeEOpening Ceremony ceremony 69a889b3-5835-43e7-b50b-cabc0e2eed61—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeFParticle Swapping particles 45e89b51-66b8-4846-bcaf-0babd8e4307b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeGOuting outing fdf6c82f-deea-43bc-91a4-83374a000648—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeHClock Pictures clockpictures f9f73658-9372-4959-a62d-37e58b9555b6—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeIHow many squares? squares 5d85a1c0-22ea-4f7b-846e-dba060bd2215—Kattis · Codeforces Gym · Baekjoon Online Judge (wayback) closed 2026-04-28
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeJRoad Work roadwork fdf0cc39-405a-443b-8884-5486165e4ed1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
nordic-2014, ukiepc-2014nordic-ukiepc-20142014–2015EuropeKTrain Passengers trainpassengers 96134e19-a883-4e39-9420-d27aeafe16ae—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Codeforces Gym
north-russia-2001north-russia-20012001–2002Northern Eurasia?Censored!—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Fence—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Network—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Stripies—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Currency Exchange—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Chapaev—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Fillword—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Subnumber—Timus Online Judge
north-russia-2001north-russia-20012001–2002Northern Eurasia?Funny Card Game—Timus Online Judge
north-russia-2002north-russia-20022002–2003Northern EurasiaCPatience—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2002north-russia-20022002–2003Northern EurasiaIThe King—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2004north-russia-20042004–2005Northern EurasiaAAngry Teacher—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2004north-russia-20042004–2005Northern EurasiaDDrawing Windows—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2011north-russia-20112011–2012Northern EurasiaAAutomated Telephone Exchange—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2011north-russia-20112011–2012Northern EurasiaBBlack Square—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2012north-russia-20122012–2013Northern EurasiaDDeepest Station—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2012north-russia-20122012–2013Northern EurasiaGGrid—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2012north-russia-20122012–2013Northern EurasiaIIntelligent Design—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2012north-russia-20122012–2013Northern EurasiaJJuggle with Criteria—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2012north-russia-20122012–2013Northern EurasiaLLog Analysis—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaAArrangement of Contest—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaBBallot Analyzing Device—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaCCorrecting Curiosity—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaEEnergy Tycoon—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaFFlight Boarding Optimization—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaGGarage—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaHHeavy Chain Clusterization—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaIIntellectual Property—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaJJ—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2013north-russia-20132013–2014Northern EurasiaLLonely Mountain—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaAAlarm Clock—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaBBuffcraft—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaCCombinator Expression—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaDDigits—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaEExpression—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaFFragmentation—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaGGrave—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaHHiking in the Hills—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaIInstruction—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaJJoy of Flight—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2014north-russia-20142014–2015Northern EurasiaKKebab House—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaAAlex Origami Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaBBlack and White—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaCConcatenation—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaDDistribution in Metagonia—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaEEasy Arithmetic—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaFFygon—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaGGraph—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaHHash Code Hacker—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaIInsider’s Information—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaJJourney to the “The World’s Start”—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaKKingdom Trip—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2015north-russia-20152015–2016Northern EurasiaLLucky Chances—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaAAnniversary Cake—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaBBoys and Girls—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaCCodeCoder vs TopForces—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaDDigital Addition—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaEEasy Reading—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaFFolding—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaGGangsters in Central City—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaHHard Cuts—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaIIntegral Polygons—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaJJava2016—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2016north-russia-20162016–2017Northern EurasiaKKing’s Heir—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaAAuxiliary Project—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaBBoolean Satisfiability—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaCConsonant Fencity—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaDDividing Marbles—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaEEqual Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaFFygon 2.0—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaGGrand Test—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaHHidden Supervisors—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaIIntelligence in Perpendicularia—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaJJoker—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaKKotlin Island—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2017north-russia-20172017–2018Northern EurasiaLLittle Difference—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaAAccumulator Battery—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaBBuilding a Stair—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaCCounting Stairs—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaDDistinct Substrings—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaEEmail Destruction—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaFForgotten Land—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaGGeneralized German Quotation—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaHHalves Not Equal—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaJJoined Vessels—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaKKeyboard Consensus—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2018north-russia-20182018–2019Northern EurasiaLLED-led Paths—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaAAccurate Movement—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaBBad Treap—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaCCross-Stitch—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaDDouble Palindrome—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaEEquidistant—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaFForeach—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaGGolf Time—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaHHigh Load Database—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaIIdeal Pyramid—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaJJust the Last Digit—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaKKing’s Children—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaLLengths and Periods—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2019north-russia-20192019–2020Northern EurasiaMManaging Difficulties—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaAArchivist—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaBBicycle—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaCCorrupted Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaDDisplay—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaEEasy Compare-and-Set—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaFFutures Market Trends—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaGGrammar Path—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaHHeroes of Coin Flipping—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaIInteger Square—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaJJoint Password Storage—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaKKeys and Locks Boolean Logic—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaLLost Permutation—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaMMind the Gap—Baekjoon Online Judge (wayback) closed 2026-04-28
north-russia-2020north-russia-20202020–2021Northern EurasiaNNunchucks Shop—Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-1996nwerc-19961996–1997Europe?Crimewave 03906bbc-c56b-457c-9778-bc22f3697a3d—
nwerc-1996nwerc-19961996–1997Europe?Wormholes 85489e94-03e8-4bb6-8a77-1e588d976884—
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nwerc-2000nwerc-20002000–2001Europe4Smith NumbersStDIVOVSoP
nwerc-2000nwerc-20002000–2001Europe5Chainsaw MassacreStDIVOVSoP
nwerc-2000nwerc-20002000–2001Europe6Erdös NumbersStDIVOVSoP
nwerc-2000nwerc-20002000–2001Europe7EchoStDIVOVSoP
nwerc-2000nwerc-20002000–2001Europe8Fold-up PatternsStDIVOVSoP
nwerc-2001nwerc-20012001–2002Europe1AreaStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2001nwerc-20012001–2002Europe2Ambiguous DatesStDIVOVSoP
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nwerc-2001nwerc-20012001–2002Europe7T9StDIVOVSoP
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nwerc-2002nwerc-20022002–2003EuropeAEuro Efficiency 10832689-b188-4417-b12b-1f61b048c0ecStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeBMarkov TrainsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeCHansel and GrethelStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeDFloorsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeEThe PicnicStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeFPearlsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeGHuffman TreesStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2002nwerc-20022002–2003EuropeHInputStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeABridging signals signals c537c8d5-6c1d-455c-aa76-5637a7d532adStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeBVase collection vase 3e940abb-3ff1-4288-a554-fddfb9febb20StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeCGladiators gladiators 10b9be63-9799-499d-9b38-f8e4ddcbe865StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeDWho's the boss? whostheboss b314864d-e7bb-44e1-afba-4887be8b66beStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeESubway tree systemsStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeFPrison rearrangement prisonrearrangement 3ba42ed9-a42b-4f44-af1a-10bc84947b3dStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeGSightseeing tour sightseeingtour dbde3957-d968-402e-aca5-78948947108fStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2003nwerc-20032003–2004EuropeHA number gameStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeAWord EncodingStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeBWatchdog watchdog 15d1b103-7f10-4436-82c3-da3c233037d5StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeCTaxi Cab Scheme taxicab eea80e7c-2da7-4722-8aac-65b242c8fac4StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeDPseudo-random Numbers pseudorandomnumbers fb2abd66-a6a4-4a74-846d-8bba6bccb53cStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeECard Game Cheater 4950b3c7-91e5-4c0c-b26c-87a058b0c32eStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeFInvestment 3b6afca6-534d-46be-b08f-95e76cb953e3StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeGPipes pipes3 c3d102e5-a512-459f-a4ea-fac71e6f133cStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeHSETI seti 85cb1a1c-7b55-4f29-b45f-95cb803cb795StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2004nwerc-20042004–2005EuropeIMinimax TriangulationStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeAUnequalled Consumption consumption 96b27869-aabb-4ae7-aad3-6d2f25b4ae55StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeBDeclaration of ContentStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeCLaserbox 585164ec-a36d-49a7-9ee7-c83f2c29d3e2StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeDBowlstack bowlstack cffe9b7a-01ef-4c06-98fb-dd15b2abd972StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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nwerc-2005nwerc-20052005–2006EuropeFReduced ID Numbers reducedidnumbers bf5e71b1-b56f-40ad-aa78-15490bb5afadStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeGTantrix tantrix 7cd92998-c3ad-460b-8483-acdbb96c0376StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2005nwerc-20052005–2006EuropeHGuardian of Decency guardianofdecency 2e4fa3f6-0669-408e-bade-0b10cbed3160StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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nwerc-2006nwerc-20062006–2007EuropeASudoku sudoku 1f033082-39e2-4a5b-9075-015b11d6e5ceStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeBThe SetStack Computer setstack ee61e592-5dc6-4161-b2d0-8e694fe35fdbStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeCPie pie 243bc8fe-91d1-46be-a501-c5cce2e05e7dStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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nwerc-2006nwerc-20062006–2007EuropeEThe Bookcase bookcase ed7ab25c-ca5a-4b5e-81ae-f2590f6f99feStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeFPrinter QueueStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeGPrime Path primepath b05ff20c-3b81-4161-b4a0-86f1f014704dStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeHLineland’s AirportStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2006nwerc-20062006–2007EuropeILeonardo’s NotebookStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeAAssembleStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeBMarch of the Penguins marchofpenguins 51faf0db-ffac-40eb-876e-20cf80ce9f83StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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nwerc-2007nwerc-20072007–2008EuropeDYouth Hostel DormStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeEEscape from Enemy Territory enemyterritory c47327bb-0223-4ca6-b950-9aedfa81fe44StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
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nwerc-2007nwerc-20072007–2008EuropeGSummitsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeHObfuscation obfuscation 1b071591-80aa-4b04-98db-1d4f5693db94StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeITower ParkingStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2007nwerc-20072007–2008EuropeJWalk walk 21dce8f7-ffa2-4b6a-afe4-bc618337bab7StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeAEquilibrium Mobile equilibrium 2d682e95-e85d-407f-83b1-a410bbad1105StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeBProving Equivalences equivalences 14d66406-6e73-4ebe-b4b2-710f1170b01bStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeCCat vs. Dog catvsdog cb7363ea-57d1-4c00-8565-a4336562c9c7StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeDDisgruntled Judge disgruntledjudge 4ac7edd1-2b3e-4de5-ab7f-e40f465b40cdStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeEEasy Climb easyclimb 0488d5dd-5ecd-4d34-930a-926cf4840f80StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeFSculpture sculpture 9411562b-8de2-4ee5-bfe1-2c3ef30410f3StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeHMatchsticks matchsticks c44eae95-5fb3-4ec4-a5b0-c53f84b86504StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeIWhite Water Rafting rafting 018e7092-0943-4430-b676-3672b8b9e947StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeJShuffle shuffle 3d262039-c476-4515-ba06-84026fd0f344StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2008nwerc-20082008–2009EuropeKVideopoker videopoker bb9e0f43-109e-456c-bc52-e70ccc6b6dc0StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeAAn Industrial Spy industrialspy 1a7fa162-9e70-445d-9d3f-1daa33ae8c12StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeBCommon Subexpression Elimination subexpression 0135ced9-2e54-4971-b6cc-5157348a6782StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeCDivisible Subsequences divisible 8919f0d8-81db-405a-bfc8-d490cfd6175eStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeDFractal fractal2 ba65c7d6-5fd7-4b46-b694-93c82e84efe9StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeEMountain Road mountainroad b10b030e-e00e-466e-8208-8eeca3bde707StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeFMoving to Nuremberg nuremberg b9315ae7-ef41-4654-aa7d-eb764b5c7280StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeGRoom Assignments roomassignments 449c9991-db9d-4b0e-9348-9e5be1de701bStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeHSettlers of Catan settlers2 0fdefabf-fec7-4786-ba56-aca801f25ee1StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeISimple Polygon simplepolygon 41c53d99-079f-48d4-9cdf-24d69ec3604bStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2009nwerc-20092009–2010EuropeJWormholes wormholes2 56e14806-8760-4479-bd81-d15595ea485eStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2010nwerc-20102010–2011EuropeAFair Division fairdivision 6d197dc9-a956-427f-8e77-c6fa81404f43StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeBFree Goodies freegoodies 36acd426-5d41-41c0-b7ee-516ee9c6a65aStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeCHigh Score highscore cf456ece-0151-4a0c-9315-0963bc06c72eStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeDHill Driving hilldriving e0111bbd-6a4b-4a67-bfa6-70f02273871cStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeERankingsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28data: not held — inferred, the sheet only gives the count (7/10); solutions: not held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeFRisk risk 19f4bc14-33dd-422d-a8fd-935d3cce3b51StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeGSelling Land sellingland abe3d8f4-b993-4918-8c31-3d86d392efd4StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeHStock Prices stockprices 95763861-b73c-482b-8c79-48da0a86202eStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28data: held — inferred, the sheet only gives the count (7/10); solutions: held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeITelephone NetworkStDIVOVSoPdata: not held — inferred, the sheet only gives the count (7/10); solutions: not held — inferred, the sheet only gives the count (7/10)
nwerc-2010nwerc-20102010–2011EuropeJWormlyStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28data: not held — inferred, the sheet only gives the count (7/10); solutions: not held — inferred, the sheet only gives the count (7/10)
nwerc-2011nwerc-20112011–2012EuropeABinomial coefficientsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeBBird treeStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeCMovie collection moviecollection f16e7986-7cb4-4eca-9a0d-12a4f8094174StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeDPiece it together pieceittogether 4a3c077d-f01a-4330-96bd-46bf13e5aaeaStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeEPlease, go first pleasegofirst e688c0ca-711e-4de8-ad8b-ad969af9b147StDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeFPool constructionStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeGSmoking gunStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeHTichuStDIVOVSoP
nwerc-2011nwerc-20112011–2012EuropeITracking RFIDsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2011nwerc-20112011–2012EuropeJTrain delays traindelays 21e09dc9-2655-4cc6-9609-ef925d1fd48fStDIVOVSoPKattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeAAdmiralStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeBBeer PressureStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeCCyclingStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeDDigital ClockStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeEEdge CaseStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeFFoul PlayStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeGGuardsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeHHip To Be SquareStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeIIdolStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeJJoint VentureStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2012nwerc-20122012–2013EuropeKKey InsightStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeAAbsurdistan RoadsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeBBattle for SilverStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeCCard TrickStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeDDiagrams & TableauxStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeEExponential TowersStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeFFirst DateStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeGGrachtenStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeHHighway of the FutureStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeIInfix to PrefixStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2013nwerc-20132013–2014EuropeJJingle BallsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeAAround the Track aroundthetrack 4043ae02-b93a-4cde-a207-08131bc304a6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeBBiking Duck bikingduck 4f484a25-be4e-40db-85d6-6b3758a0af93—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeCCent Savings centsavings 346fe14a-c6d6-40da-b8e8-8280e86a1ef6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeDDigi Comp II digicomp2 f0c26e00-2cbf-438f-bb18-6a08a71e2207—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeEEuclidean TSP euclideantsp 73f94090-4b5b-4dbf-9608-263c2a0a09bb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeFFinding Lines findinglines 8595ee01-7a31-4766-9bdf-29f9289ac1a0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeGGathering gathering 0243ca36-5445-4d52-966c-6af7f3f7ce1f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeHHyacinth hyacinth 0a908b9c-3c2f-449e-806d-8f4854e17c85—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeIIndoorienteering indoorienteering 5564558f-b09d-41bc-8774-1bec8836b858—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeJJudging Troubles judging c90a27e4-23a5-4af6-851d-844fed22d42e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2014nwerc-20142014–2015EuropeKKnapsack Collection knapsackcollection 7f7ad304-8257-43bb-a634-0d3129f79c0b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeAAssigning Workstations workstations e3673391-5df5-4645-a90e-2d977c65c277—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeBBetter Productivity productivity 35c658cb-e8c0-483c-b2b1-13a25d7a71e8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeCCleaning Pipes cleaningpipes 23f0e7a1-f860-4995-b438-ec0dd555f030—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeDDebugging debugging 027555fe-605a-4ad6-a7a3-4c0e05d267f7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeEElementary Math elementarymath 44121c0f-82e2-4be1-b888-246dd3a0c72b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeFFlight Plan Evaluation flightplan 55260009-fabb-4aa4-83a6-dd1e7b41155a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeGGuessing Camels camels 56aae056-64c1-46fe-ad17-8a138a885961—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeHHole in One holeinone 8b51b17e-57c3-49e9-825d-2c241eba8abe—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeIIdentifying Map Tiles maptiles2 cbd5cfaa-df85-431c-9f3d-5b38f5d2a8c4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeJJumbled Communication communication 7846e134-90e0-410a-8587-4ae3295e351d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2015nwerc-20152015–2016EuropeKKitchen Combinatorics kitchencombinatorics 7370ae5e-da30-4e9e-b183-cdefa6c422d8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeAArranging Hat arranginghat ffc408d5-9541-4ca1-8b60-cd20cab8cd46—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeBBritish Menu britishmenu 5c3ea552-83cd-4746-ba71-de9f499199f4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeCCareful Ascent carefulascent b8ec8948-9de6-419b-b363-3338f68c1fed—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeDDriving in Optimistan optimistan e66fedd9-9438-4be4-bd80-1d71ab189340—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeEExam Redistribution redistribution cf62cd3c-d9a1-4815-9fae-21f90a62649a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeFFree Weights freeweights 0d6ab112-ba8f-4647-b677-0f45f1b56b04—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeGGotta Nudge 'Em All gottanudge 4810c395-dcbe-49b4-9b89-aa9e76f5fa5f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeHHamiltonian Hypercube hypercube 42983f8f-5a07-457b-9569-641681b3e19d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeIIron and Coal ironcoal d908b987-a56a-4ba5-a870-1cc2164134b7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeJJupiter Orbiter jupiter 3dfba3c0-4389-4fcf-9572-413154eb128a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2016nwerc-20162016–2017EuropeKKiwi Trees kiwitrees 4c589906-b107-4254-8d11-ff581dd02741—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeAAscending Photo ascendingphoto e980f5d9-2d8e-4679-a966-a037b4d8c4ca—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeBBoss Battle bossbattle 53ac3b32-5a32-492e-a620-e17b7be52e1a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeCConnect the Dots connectdots b8474d36-8169-4035-b470-a31626b85cf2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeDDunglish dunglish e1d43a06-1aac-4574-96b5-c74f5cdf65b2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeEEnglish Restaurant englishrestaurant 11fc261b-776d-45e1-9cc7-e72a502cccf5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeFFactor-Free Tree factorfree 8c94e193-490e-480a-a77c-600655d60fb9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeGGlyph Recognition glyphrecognition 4126f19d-5107-4af2-bf41-f8c8dcf792a8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeHHigh Score highscore2 5844a712-227b-414d-bac8-726075f40443—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeIInstalling Apps installingapps 8ac4e763-fd3a-49a4-b51c-eccb5fba9fe6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeJJuggling Troupe jugglingtroupe 72044dd3-5241-4a3d-ae78-cac6e23eeab7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2017nwerc-20172017–2018EuropeKKnockout Tournament knockout ef294c5f-9d25-4567-b283-8b4cfbee704a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeAAccess Points accesspoints be27592c-1304-45a5-a4dd-265f2205c882—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeBBrexit Negotiations brexitnegotiations 646151ad-4fb2-4c75-b534-25e9317b247b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeCCircuit Board Design circuitdesign 654d9cb2-4148-4ede-bfb8-8128c53877b0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeDDate Pickup datepickup cf7b3f21-ec5c-4c83-b8b9-d6ecf8371c02—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeEEquality Control equality 01d26248-f7c3-4a09-9448-8a5d2c82a43d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeFFastest Speedrun fastestspeedrun 424cd40a-7c3c-4385-b0fe-01cad4fce695—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeGGame Design gamedesign 1c7375a5-013b-4c5e-80e1-a796ccdc5d26—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeHHard Drive harddrive efe1cdef-3479-4bc4-a9a3-fd996816137f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeIInflation inflation dce5723f-aeac-4e71-b87a-da54e249b5c3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeJJinxed Betting jinxedbetting a47f1dd2-c50c-45e0-a068-b5f9f075f0c7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2018nwerc-20182018–2019EuropeKKleptography kleptography cf32617b-6aa1-4f72-a3bc-b913bd621e2f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeAAverage Rank averagerank 5f62c1f8-b0ec-4738-bfad-7361bc0d6ed0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeBBalanced Cut balancedcut f77c2c1b-0821-4df4-9438-63a48722d182—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeCCanvas Line canvasline 45facc59-c35f-4e75-b29a-21e73dab7fa2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeDDisposable Switches disposableswitches f6b0a78e-8659-4cf8-80c8-f188d9c1b00a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeEExpeditious Cubing expeditiouscubing 36ade8a5-2bda-47e2-b8ad-b7cae2db51d9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeFFiretrucks Are Red firetrucksarered aba80095-ff75-43ba-8880-c28a53b899a5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeGGnoll Hypothesis gnollhypothesis 770f9cb0-0113-4436-a0d9-41dc3a6fd10a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeHHeight Profile heightprofile 93752f46-d4d8-4b1e-907f-1ec477c4418a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeIInverted Deck inverteddeck fa4b3f5a-bbc2-4f1a-a2b5-a76669816c3c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeJJackdaws And Crows jackdawsandcrows a7079f79-6dc1-49b4-bb1f-0522267fd846—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2019nwerc-20192019–2020EuropeKKitesurfing kitesurfing bc7b21d3-547e-4cc6-9111-15ae361a1a13—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeAAtomic Energy atomicenergy f87fa266-8ffc-47ec-8652-5d3f25da7c60—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeBBulldozer bulldozer cecaab1a-02b8-4514-9f9b-0c5527135c63—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeCContest Struggles conteststruggles d7ea0384-bd98-48f0-978d-3168bd4f8804—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeDDragon Balls dragonballs ff8ddc9e-8b78-45f4-8c47-18c180bd6deb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeEEndgame endgame d8de418d-050e-4cc4-9cf3-d909167b7c3c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeFFlight Collision flightcollision 5be85c23-1856-49b0-9601-60c3c6607362—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeGGreat Expectations greatexpectations 10ac1ab8-8e98-472e-a74c-94e58cb378b3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeHHot Springs hotsprings 859f0f77-6b86-4b88-a3fc-91a444b5c8c6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeIIsland Tour islandtour 4f16a7ab-6f74-4e2f-ae24-5e416db6d49b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeJJoint Excavation jointexcavation 5c92028a-fbe9-42e9-9c84-bb4d95d868d2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2020nwerc-20202020–2021EuropeKKeyboardd keyboardd 6abcb48a-6113-4af7-8d8a-06d9b08541b4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeAAccess Denied accessdenied fefe7f96-71d6-4d5b-b638-9a9897fde0c9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeBBoredom Buster boredombuster 8a4dd096-e5a4-43e8-8d18-599465259b69—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeCCutting Edge cuttingedge 9b299cce-8955-4c68-a385-604fd3c17a60—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeDDyson Circle dysoncircle 233120f7-b044-4591-899d-596540ad0b11—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeEExchange Students exchangestudents 6db761ed-419d-4970-910a-294ddb556bdc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeFFlatland Olympics flatlandolympics 73a7fac4-ed4a-428d-9b2c-2ba3d21c176e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeGGlossary Arrangement glossaryarrangement c5b28c44-0d5e-435e-a184-aef42a851566—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeHHeating Up heatingup e907fa48-513f-4311-94d1-00f758da6c74—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeIIXth Problem ixthproblem ccbd6d44-491a-47fa-96ca-7e349373f7f8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeJJet Set jetset d461060a-3331-4a5e-9559-966925fde11e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeKKnitpicking knitpicking e588efb0-0f04-43aa-b5f5-1dfe794ccd3e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2021nwerc-20212021–2022EuropeLLucky Shirt luckyshirt 32c7d89c-fe2c-4201-8d7d-86b6e4f20ee2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeAAlternating Algorithm alternatingalgorithm c7d1f20d-8ac4-4123-9ec6-10c0ca530470—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeBBottle Flip bottleflip 78e6eaa1-c1f8-4507-bb9a-d4c2538d033b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeCCircular Caramel Cookie circularcaramelcookie d1cbfa4c-89a6-489e-9d7e-25035febb435—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeDDelft Distance delftdistance 9a609c69-271a-4f9a-abd4-a5aed89b40d2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeEETA eta acd2dc95-2c29-4bdf-a158-36e5814e84fc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeFFaster Than Light fasterthanlight ef1579df-f4a5-4768-8b70-95dc0f663c6b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeGGoing in Circles goingincircles feaf914f-527b-4f23-bb6f-6c5a6aed1fac—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeHHigh-quality Tree highqualitytree e14bdee5-02d4-42b2-b150-0122742746eb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeIInterview Question interviewquestion 04d5ac3f-bc47-4a5a-b8ee-c222ad623fce—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeJJustice Served justiceserved 17c8c84d-5e8a-48fe-b64e-571e1896d961—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeKKebab Pizza kebabpizza 22e4011f-dad1-4bcb-a1e0-5466354829a4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2022nwerc-20222022–2023EuropeLLast Guess lastguess 85ba03ce-f194-45ca-b706-8eb2a544f74c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeAArranging Adapters arrangingadapters 11e35c56-ec66-4126-b872-2685a593b9dc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeBBrickwork brickwork f768daf7-f273-4581-b945-5b69a2627c38—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeCChair Dance chairdance dd4f2cb9-8741-44b7-a177-4c994e8f7acb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeDDate Picker datepicker 33ef163b-a923-4a36-91a6-7f9bd73cb34a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeEExponentiation exponentiation 56df4a53-9416-43fb-90bd-df1d5a3adc6b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeFFixing Fractions fixingfractions 8f10f8be-ef1a-4a52-baca-62656f77eb7b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeGGalaxy Quest galaxyquest2 ce64ba21-5d0a-445e-8caa-71dd4ffc74d6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeHHigher Arithmetic higherarithmetic c7551a68-cfa5-4d9b-b37a-ac8fe58fd235—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeIIsolated Island isolatedisland 768a34ca-5466-4c64-b615-0a76fbc8149d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeJJogging Tour joggingtour a9df2a53-1076-46f0-bf92-658bb2287b9b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeKKlompendans klompendans 5d311ad0-a1e8-4fe1-9cbd-d2bba5c69916—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2023nwerc-20232023–2024EuropeLLateral Damage lateraldamage 2f9db841-c84e-42dd-b500-6fc7603f5a3f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeAAlphabetical Aristocrats alphabeticalaristocrats 8ee7605a-d7db-89fd-1f8e-a81376341884—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeBBinary Search binarysearch 8ee7605a-5dab-8eab-18d8-1e9b73417448—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeCConnect Five connectfive 8ee7605a-2e09-8e70-3050-587a33462e34—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeDDutch Democracy dutchdemocracy 8ee7605a-78b5-88dc-295d-83e0e0f93fff—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeEEvolving Etymology evolvingetymology 8ee7605a-b3ac-8dc1-057a-32683a974aa3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeFFlowing Fountain flowingfountain 8ee7605a-9af1-8e29-3eb1-9276fa90a11f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeGGlued Grid gluedgrid 8ee7605a-1cbb-8411-3ec4-9a05e77393c6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeHHash Collision hashcollision 8ee7605a-d2fd-8830-2489-7bea040c5c44—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeIIt's a Kind of Magic itsakindofmagic 8ee7605a-4a36-8414-3544-4fe6a4a37550—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeJJib Job jibjob 8ee7605a-d504-8a62-3126-0bf954ff2931—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeKKruidnoten kruidnoten 8ee7605a-2aa5-8443-04c8-75cf0da35e94—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeLLimited Library limitedlibrary 8ee7605a-bb25-822f-20fa-c9e626ea541c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2024nwerc-20242024–2025EuropeMMouse Trap mousetrap 8ee7605a-86ea-8ffb-0d52-b3117c3c1ada—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2025nwerc-20252025–2026EuropeAArcade Crane arcadecrane 8ee7605a-9af0-8d9a-2748-578458ff127f—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeBBisecting Bargain bisectingbargain 8ee7605a-8c6e-8de5-27b0-609bf2214493—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeCCanal Crossing canalcrossing 8ee7605a-bc09-8bb1-2f0e-dea1071975f4—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeDDreamcatcher dreamcatcher 8ee7605a-03cd-802a-386a-41236b225ff5—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeEErratic Lights erraticlights 8ee7605a-de01-8ffa-2b5c-ba5f8495cb34—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeFFair Share fairshare 8ee7605a-c138-8685-2b30-9caf196f5233—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeGGroup Photo groupphoto 8ee7605a-5011-8ff2-10da-7e5025203ee8—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeIIlluminated Stalls illuminatedstalls 8ee7605a-3031-82dc-2b98-9c82bd6511a1—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeJJuggling Keys—Baekjoon Online Judge (wayback) closed 2026-04-28
nwerc-2025nwerc-20252025–2026EuropeKKIT Finding kitfinding 8ee7605a-5119-8220-1d16-baea89da4efd—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026EuropeLLast Christmas lastchristmas 8ee7605a-b4ec-85f8-15fb-ca8abf78d366—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
nwerc-2025nwerc-20252025–2026Europe?Hasty Haul 8ee7605a-261a-87c5-b06d-f1a9e29b7419—
nzpc-2002nzpc-2002Asia PacificBW**h y**r mouth out with s**p—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificCCheck Digits—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificFTAXI ROUTES—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificGURNS—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificHCrossword Puzzle Clue Numbering—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificIMolecules, Molecules—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificKMolecules, Molecules 2—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2002nzpc-2002Asia PacificLFragment reassembly—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificAWord Ratios—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificBWinter Festival—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificCScrabble Scoring—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificDHoliday Costing—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificFStuttering Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificGDart Scoring—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificHA Voting Protocol—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificIFamily Trees—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificKThe Jury is out—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificMBox Toppling—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificNSuperstitious Helicopter Pilots—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificXTransactions—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificYDates—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2004nzpc-2004Asia PacificZWords—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificEMagickology—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificFSuper 12—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificGGPS Encoding—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificHCustom table sorter—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificJChecking Causality—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificKOlympic Ranking—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificLBus Timetable—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificMConflicting Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2005nzpc-2005Asia PacificPI’m a Frayed Knot—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2006nzpc-2006Asia PacificJAdjacent Mastermind—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2006nzpc-2006Asia PacificKChemistry 101—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2006nzpc-2006Asia PacificLLimit Checking—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2006nzpc-2006Asia PacificMFlattening Tables—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2006nzpc-2006Asia PacificNBig Brother—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificACoin tossing—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificBHave you had your birthday yet?—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificCHide those Letters—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificDRectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificEWord Extraction—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificFBree's pantry—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificGPaula's search—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificHCedric's Cypher—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificIRecycling—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificJReversing Words—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificKWord Crosses—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificLAll Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificMDominosa—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificNDigit Sums—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificOStamps—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2007nzpc-2007Asia PacificPAssimilation—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificATriangles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificBMP3 Songs—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificCTennis—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificDBookings—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificELibrary Codes—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificGOutfits—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificHExercise—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificIQueen Kingdom—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificJReconstruction Trees—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificKTraffic Engineering—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificLThe Race—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2008nzpc-2008Asia PacificNBargain or No Bargain—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificATeam Selection—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificBCuboids—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificCOn the Bus—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificDJumbled Words—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificENoughts & Crosses—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificFBrackets—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificGUntied Airlines—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificHAnagrams—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificIAmicable—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificJBalanced Change—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificKExpressions—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificLCircles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificMStars—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificNMissing Letters—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2009nzpc-2009Asia PacificOJury Compromise—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificAJean and Joe’s Clothes—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificBSequences—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificCSarah's Toys—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificDDVDs—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificENoMoPhobia—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificFPostman Joe—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificGTarget—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificILego Bricks—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificJExtreme TTT—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificLA Foldy but a Goody—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificMCongested Networks—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificNFunctional Programming Counts—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificOPackages Par Avion—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2010nzpc-2010Asia PacificPAscii Art—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificBCard Cutting—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificCArchaeological Digs—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificDTravelling Salesman—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificEStreet Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificFHostel Nights—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificGAir Old Zeeland—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificHLetter Replacement—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificIBalloons—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificJMatrix Powers—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificKStanding Pins—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificLThe God Delusion—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificNAdjacent Edges—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2011nzpc-2011Asia PacificPVectors—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificCWhen Do We Finish?—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificDCar Park—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificEWeb Pages—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificFMaps—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificGShirts—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificHDiscounts—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificJMicrospikes—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificKConstellations—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificLImage Segmentation—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificMTeam Dessert—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificNBat Positioning—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2012nzpc-20122012–2013Asia PacificOGooseberry Tart BASIC—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificBPassword—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificCNumbers—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificDExercising—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificFCypher—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificGGraphs—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificHContest—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificIBlack Jack—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificJMarkleft—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificKKoch—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificMFrogs With Styles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificNSV Filters—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificODepacting—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2015nzpc-2015Asia PacificPMobile—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificAPresents—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificBHoles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificCOlympic Games—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificDPalindromes—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificEVirus—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificFAlpha Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificGHunt The Rabbit—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificHParliamentary Rankings—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificIObfustication—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificJRasterization—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificKIK Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificLPokemon—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificMHashing—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificNWhat Next—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificOThe Resistance—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2016nzpc-2016Asia PacificPRtetris—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificAAngles—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificBGolf Croquet—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificCFitness—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificDBeautiful Music—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificEByte Me!—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificFMusical Chairs—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificGLetter Count—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificHLeague Tables—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificIPlanes—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificJTrees—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificKPacking—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificLDomino Killing—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificMInfinite Trees—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificNCompetition Day—Baekjoon Online Judge (wayback) closed 2026-04-28
nzpc-2017nzpc-2017Asia PacificOSchool Pairing—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-1997pacnw-19971997–1998North America?A Duckpin Tournament—ICPC Live Archive
pacnw-1997pacnw-19971997–1998North America?The PATH—ICPC Live Archive
pacnw-1997pacnw-19971997–1998North America?What Day Is It?—ICPC Live Archive
pacnw-1997pacnw-19971997–1998North America?Parking Lot—ICPC Live Archive
pacnw-1997pacnw-19971997–1998North America?The Boggle Game—ICPC Live Archive
pacnw-1997pacnw-19971997–1998North America?The Rotating Disk—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?Bulk Mailing—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?Immediate Decodability—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?File Mapping—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?The Gourmet Club—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?Chutes and Ladders—ICPC Live Archive
pacnw-1998pacnw-19981998–1999North America?Stamps (II)—ICPC Live Archive
pacnw-1999pacnw-19991999–2000North AmericaABiorhythms—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-1999pacnw-19991999–2000North AmericaBGone Fishing—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-1999pacnw-19991999–2000North AmericaDUnscrambling Images—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-1999pacnw-19991999–2000North AmericaEThe Same Game—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-1999pacnw-19991999–2000North AmericaHTriangle War—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2000pacnw-20002000–2001North America?The Quadratic formula (Mod p)—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Base Addition—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Solitaire Cribbage—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Poker Solitaire—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Embedded Codes—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Radio Transmitters—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?Color Circles—ICPC Live Archive
pacnw-2000pacnw-20002000–2001North America?SwampNet Routing—ICPC Live Archive
pacnw-2004pacnw-20042004–2005North AmericaGJill's Tour Paths 66ac3b61-6d42-47d4-8bb7-0344b127cf21—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2004pacnw-20042004–2005North AmericaIRate of Return d765ee16-0b2c-4aca-a5c7-307312ac1d15—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2004pacnw-20042004–2005North AmericaJA Card Trick b943f851-bbec-4c1d-8ef5-937f3974aaca—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2004pacnw-20042004–2005North America?A New Kind of Science 8d581971-6306-48e4-8a7e-d0ab8dd257bb—
pacnw-2004pacnw-20042004–2005North America?Cylinders 6c2e77ba-c64d-417d-a215-f7228bef5609—
pacnw-2004pacnw-20042004–2005North America?Going Home 81dbdd45-ece2-404e-96c3-d77bf7fc4618—
pacnw-2004pacnw-20042004–2005North America?Lucky Lotto Lists 63f1c0fd-26f2-4550-9f7a-fb6aacc3dcbd—
pacnw-2004pacnw-20042004–2005North America?Mersenne Composite Numbers acf710a5-26a6-40a3-a9b3-5bdc9590cc83—
pacnw-2004pacnw-20042004–2005North America?Specialized Four-Digit Numbers 3ac00754-5e54-4955-8c1b-e43da412c246—
pacnw-2004pacnw-20042004–2005North America?Zipper 2da6fb9c-bf0b-4f80-b6c0-345d297183f8—
pacnw-2005pacnw-20052005–2006North AmericaASingle Digit Adder—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaBConnect—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaCConsecutive Digits in a Rational Number—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaDConstant Irritation—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaEIf only I could think Linearly...—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaGPascal's Travels—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaHJob Scheduling by Open Bidding—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaIWho needs 8 Queens when you can have N?—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2005pacnw-20052005–2006North AmericaJTime to Graduate—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaAWhat is the air speed velocity...—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaBThe Brave Sir Robin’s cAsE cOrReCtOr—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaCSir Bedavere’s Bogus Division Solutions—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaDOne...Two...Five!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaETaunt Exposure Estimation—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaFYe Holy Hand Grenades!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaGNested Shrubbery Boxes—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaHAnd Now For Something Completely Different!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2006pacnw-20062006–2007North AmericaJNo Left Turns—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaBMissile Command—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaCPalindromic Primes Category in Jeopardy!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaDPebbles—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaERubik’s Cube®—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaFGeek Challenge [SKRZAT] (Base Minus Two)—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaGFrogger—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaH“Bubble Gum, Bubble Gum, in the dish, how many pieces do you wish?”—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaIGames R Us—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2007pacnw-20072007–2008North AmericaJCover Up—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaATetrahedral Stacks of Cannonballs—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaB“Robot Roll Call – Cambot...Servo...Gypsy...Croooow”—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaCCave Crisis—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaEPencils from the 19th Century—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaFOptimal Strategy for the ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaGSymbolic Logic Mechanization—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaHRepair Depots—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaICrazy Circuits—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaJPropBot—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2008pacnw-20082008–2009North AmericaK“Ancient” Calculator—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaAThe Navi-Computer is Down!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaBBlenjeel Sand Worms and Color Wriggles—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaCThis Can’t Go On Forever—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaDRescue Beacon—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaELet the Wookiee Win!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaFLaser Turret Maintenance—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaGGeorge Lucas and 1138—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaHSpare the Ewoks!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaIThe History of the Sith Rulers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaJLaser Shot—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2009pacnw-20092009–2010North AmericaKPower Grid—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaAAlways Follow the Rules in Zombieland—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaDZombie Swallows—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaFPride and Prejudice and Zombies—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaGTales from DeCrypt—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaHA Smart Brain is a Tasty Brain—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaIBuilding Zombie Fences—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaJSave the Python Programmers!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2010pacnw-20102010–2011North AmericaKZombie Blast!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaBBracelets—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaCA Classic Myth: Flatland Superhero—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaDCollateral Cleanup—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaELatticeLand—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaFLightning Lessons—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaGLocksmith—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaIThe Status is Not Quo—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2011pacnw-20112011–2012North AmericaJStupendous Man—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaCPainted Cube—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaERings and Runes—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaFRitual Circle—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaGSaruman’s Level Up—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaISpellcasting—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaJTemple Build—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaKTile Cut—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2012pacnw-20122012–2013North AmericaLROT13—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaBBones’s Battery—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaCCrusher’s Code—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaDDelta Quadrant—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaGGenerations of Tribbles—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaHHolodeck Hacking—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaIInterstellar Trade—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaJJaneway’s Journey—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaKKlingon Warfare—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaLLanguages—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2013pacnw-20132013–2014North AmericaMMass Production—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaARunes—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaBAlchemy—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaCContainment—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaDFunction—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaISalary Inequity—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaKTowers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North AmericaLWormholes—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North America?Favorite Number—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North America?Gold Leaf—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North America?Ranked Choice—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North America?Top 25—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2014pacnw-20142014–2015North America?Wrench—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaAAirports—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaBButterfly Effect—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaCClassy—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaDTriangle—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaEExcellence—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaFFalling Blocks—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaGRacing Gems—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaHHilbert Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaICoverage—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaJOlympics—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North AmericaKCheckers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Millionaire—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Magic Trick—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Egg Drop—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Grid—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Complexity—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Class Time—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Surf—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Blur—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2015pacnw-20152015–2016North America?Gears—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North AmericaAAlphabet—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaBBuggy Robot—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaCCameras—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaDContest Strategy—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaEEnclosure—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaFIllumination—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaGMaximum Islands—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaHPaint—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaIPostman—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaJShopping—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaKTournament Wins—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North AmericaLWindy Path—Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
pacnw-2016pacnw-20162016–2017North America?Barbells—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Contest Score—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Equality—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Gravity—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Islands—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Mismatched Socks—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Six Sides—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Three Square—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2016pacnw-20162016–2017North America?Zigzag—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaAOdd Palindrome—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaBEnlarging Enthusiasm—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaCFear Factoring—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaDRainbow Roads—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaEStraight Shot—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaFDistinct Distances—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaGSecurity Badge—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaHAvoiding Airports—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaILong Long Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaJGrid Coloring—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaKSpinning Up Palindromes—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaLDelayed Work—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North AmericaMUnsatisfying—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Latin Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Halfway—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Purple Rain—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Unloaded Die—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Star Arrangements—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2017pacnw-20172017–2018North America?Forbidden Zero—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaAExam—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaBCoprime Integers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaCContest Setting—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaDCount the Bits—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaECops and Robbers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaFRectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaGGoat Rope—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaHRepeating Goldbachs—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaIInversions—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaJTime Limits—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaKKnockout—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaLLiars—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North AmericaMMobilization—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?Paper Cuts—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?Poker Hand—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?House Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?Greedy Scheduler—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?Random Index Vectors—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2018pacnw-20182018–2019North America?Pizza Deal—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaARadio Prize—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaBOne of Each—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaCColoring Contention—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaDFrom A to B—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaERainbow Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaFFixed Point Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaGGlow, Pixel, Glow!—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaHWindmill Pivot—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaISwap Free—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaJInterstellar Travel—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaKComputer Cache—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaLCarryless Square Root—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North AmericaMMaze Connect—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?Speeding speeding 43372f48-fc9b-4252-84c1-8b3dd0f18af8—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
pacnw-2019pacnw-20192019–2020North America?Checkerboard—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?Even or Odd?—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?Issuing Plates—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?Levenshtein Distance—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?Black and White—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2019pacnw-20192019–2020North America?ReMorse—Baekjoon Online Judge (wayback) closed 2026-04-28
pacnw-2024pacnw-20242024–2025North America?Amicable Numbers b39a518f-8e95-4dd4-acd5-7617e77f99f8—
pacnw-2024pacnw-20242024–2025North America?Auto-Coin-o-Matic autocoinomatic 120fe6e9-bf4f-4af4-ac9d-0ea9d6129840—Kattis
pacnw-2024pacnw-20242024–2025North America?Big Integers bigintegers 0b054e76-6d1a-4b97-9b3b-aa374104b72b—Kattis
pacnw-2024pacnw-20242024–2025North America?Bus Assignment busassignment 48de1a03-b6ee-4517-a1a0-8c4f91a41d52—Kattis
pacnw-2024pacnw-20242024–2025North America?Champernowne Subsequence champernownesubsequence c52da3fc-3c50-4b60-819f-20df66d5aa80—Kattis
pacnw-2024pacnw-20242024–2025North America?Connecting Computers connectingcomputers 120d0d2a-9e1a-48f0-867a-f526d86908c5—Kattis
pacnw-2024pacnw-20242024–2025North America?Exact Change exactchange3 56b423b6-b494-4449-967f-9eb7c29f82c2—Kattis
pacnw-2024pacnw-20242024–2025North America?Free Solo freesolo 30a586d4-f009-467c-84f0-0e236b986c9e—Kattis
pacnw-2024pacnw-20242024–2025North America?GCD Pairs gcdpairs 0eadd8f9-da7a-43af-bd61-46e9af3231d0—Kattis
pacnw-2024pacnw-20242024–2025North America?Generalized FizzBuzz generalizedfizzbuzz e3a0ee12-ba1d-4187-8c4d-601c79682323—Kattis
pacnw-2024pacnw-20242024–2025North America?Homework Help homeworkhelp 3f267aa8-9b6d-4a16-b02c-3f2f240b0f6d—Kattis
pacnw-2024pacnw-20242024–2025North America?Intuitive Elements intuitiveelements 6d2d3ee3-8013-4a46-a429-93d32c86d53c—Kattis
pacnw-2024pacnw-20242024–2025North America?Mouse Pursuit mousepursuit 701fda18-df6e-4dee-8565-c51ad2ba86ad—Kattis
pacnw-2024pacnw-20242024–2025North America?Rainbow Bowl Ranges rainbowbowlranges f61da347-b8db-4878-a6fe-911f6e4469be—Kattis
pacnw-2024pacnw-20242024–2025North America?Ruffians ruffians 6c07439f-0a6a-4b11-ba51-0f8793692c00—Kattis
pacnw-2024pacnw-20242024–2025North America?Sleeping on the Train sleepingonthetrain bbaa9910-bdf5-484b-ae51-643467bb020a—Kattis
pacnw-2024pacnw-20242024–2025North America?Taking Out the Trash takingoutthetrash 8e2d6bf0-0f38-482b-922c-7200b46a14f6—Kattis
pacnw-2024pacnw-20242024–2025North America?Training, Round 3 traininground3 25e894a0-a52c-4c0e-ac63-8382c3832472—Kattis
pacnw-2024pacnw-20242024–2025North America?Word Game wordgame2 25169ab9-5fad-4cc5-856c-9891122adc4f—Kattis
pacnw-2025pacnw-20252025–2026North America?An Elephant Problem anelephantproblem 683713af-6943-4f78-af40-cceafb3c0b38—Kattis
pacnw-2025pacnw-20252025–2026North America?Bouquet of Balloons bouquetofballoons 7037ad50-5d10-4ae2-b52b-415a5837f57f—Kattis
pacnw-2025pacnw-20252025–2026North America?Bus Seating busseating 6ef6daba-7d08-49a0-94a7-01f2919d8d68—Kattis
pacnw-2025pacnw-20252025–2026North America?Call for Problems, Round 3 callforproblemsround3 4df4e385-86b7-4f1b-99f8-ebda9f2d4407—Kattis
pacnw-2025pacnw-20252025–2026North America?Closest Equal Pair closestequalpair 761996ce-797c-4316-ad06-7e45315947df—Kattis
pacnw-2025pacnw-20252025–2026North America?Farthest City farthestcity 7fed44a7-1d47-400d-b5a9-64427e97c622—Kattis
pacnw-2025pacnw-20252025–2026North America?Fractal Painting fractalpainting ef7b2fa8-9b3f-421b-a09d-9e36599ae141—Kattis
pacnw-2025pacnw-20252025–2026North America?Friendships friendships 3f68519d-9383-49e7-be4c-5f522476a612—Kattis
pacnw-2025pacnw-20252025–2026North America?GPA Computation gpacomputation 0b36e59c-6f00-4b0d-a0ff-01a7d1527557—Kattis
pacnw-2025pacnw-20252025–2026North America?Honkai Stress Relief honkaistressrelief 6146c650-d2be-4887-9fee-26c1beb0e3bc—Kattis
pacnw-2025pacnw-20252025–2026North America?K-th King kthking ab269e67-e1c4-421a-95cf-4353d28fe07a—Kattis
pacnw-2025pacnw-20252025–2026North America?Missed Alarm missedalarm 0a33ee46-dc3a-4f83-8c93-f37b456dc203—Kattis
pacnw-2025pacnw-20252025–2026North America?Pair Linked Mokepon pairlinkedmokepon fcfa0eaf-5e95-4e4b-bd93-693fb6c09b08—Kattis
pacnw-2025pacnw-20252025–2026North America?Server Corridor servercorridor 9898d694-fc55-4def-84e1-5f4ff50062fa—Kattis
pacnw-2025pacnw-20252025–2026North America?Server Room serverroom b6287783-52bd-40c1-bfdf-dfcfeff15c2e—Kattis
pacnw-2025pacnw-20252025–2026North America?Shh shh 796b251c-6896-434c-a554-9085e8a1fd32—Kattis
pacnw-2025pacnw-20252025–2026North America?Solidarity of the Happy Cats solidarityofthehappycats 10ee559c-4f87-4758-89d2-056834a75d19—Kattis
pacnw-2025pacnw-20252025–2026North America?Strawberry strawberry 93cb1b93-7d8d-4bff-934c-63075a9e1845—Kattis
pacnw-2025pacnw-20252025–2026North America?Training, Round 4 traininground4 e51fd299-fafa-4a9c-85c2-bd9467253723—Kattis
pacnw-2025pacnw-20252025–2026North America?Triangle of Triangles triangleoftriangles a759a9dd-cb31-453e-8aa2-3d1ba03e7144—Kattis
pakistan-2014pakistan-20142014–2015Asia West1Bulletproof Car Testing—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West2Magnetos—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West3Ambiguous Encodings—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West4The One Dollar Gambler—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West5Urdu orthography verification—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West6Web Service Dependencies—Baekjoon Online Judge (wayback) closed 2026-04-28
pakistan-2014pakistan-20142014–2015Asia West7A Population of Rabbits—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeAKoncert—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeBSmok—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeCCebula—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeDSzaszłyki—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeERadio—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeFJaskinia—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeGSkarb—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeHLiczby Erdösa—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeIPopisowa samoobrona—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2005poland-20052005–2006EuropeJLiczby piwne—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeAMniam mniam—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeBSygnał—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeCArmaty—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeDSortowanie—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeEPiąty wymiar—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeFTetris—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeGAutostrady—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeHHurtownia czekolady—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2007poland-20072007–2008EuropeISupermarket—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeAArtefakt—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeBBardzo brudny łańcuch—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeCCiekawy Książę—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeDDzień Szachisty—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeEEgzotyczny układ mechaniczny—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeFFiołkowe puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeGGoździki—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeHHistoria bawełny—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2008poland-20082008–2009EuropeJJaka data?—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeAPotrójne drzewa—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeBTriangulacja—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeCStrażak—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeDSłoneczna wyspa—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeEDziadkowie—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeFCiasteczkowy potwór—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeGSpacer—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeHSuma kontrolna—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeIWąż—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeJChciwi rolnicy—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2010poland-20102010–2011EuropeKADOM—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeAArithmetic Rectangle—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeBBytean Road Race—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeCWill It Stop?—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeDAnts—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeEGophers—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeFLaundry—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeGBits Generator—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeHAfternoon Tea—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeIIntelligence Quotient—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeJCave—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2011poland-20112011–2012EuropeKCross Spider—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2012poland-20122012–2013EuropeAVending Machine—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2012poland-20122012–2013EuropeEEvaluation of an Expression—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2012poland-20122012–2013EuropeFFormula One—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2012poland-20122012–2013EuropeGSave the Dinosaurs—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeAThe Motorway—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeBBytehattan—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeCThe Carpenter—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeDDemonstrations—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeEThe Exam—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeFSpeed Cameras—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeGMarbles—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeHThe Hero—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeIGenetic Engineering—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeJJanosik—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropeKBlankets—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2013poland-20132013–2014EuropePSuitcases—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeAThe Lawyer—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeBPetrol—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeCThe Prices—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeDDivisors—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeEEuclidean Nim—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeFPillars—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeGGlobal Warming—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeHHit of the Season—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeIThe Staging—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeJThe Cave—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2014poland-20142014–2015EuropeKThe Captain—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeAAlternative Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeBCartoons—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeCIdentifier Sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeDDaycare Children—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeEEnglish—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeFEncryption Function—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeGPrinter's Head—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeHPasswords—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeILaser Intensification—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeJAutumn Cleaning (16 MiB ML!)—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeKChip Cards (16 MiB ML!)—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeLCamping in the woods—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2017poland-20172017–2018EuropeMMinimal Variance Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeADrone With a Camera—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeBFibonaccis’ vouchers—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeCChinese Remainder Theorem—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeDRoad—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeEEvaluation—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeFBaking Pans—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeGTaste in Art—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeHHobby—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeIGrade Book—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeJIdentical Scarves—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeKPocket Money—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeLLines—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2018poland-20182018–2019EuropeMMagical Maze—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeAAssimilation—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeBLittle Worm—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeCPolygon—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeDFrogs—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeEThe Great Drone Show—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeFFantastic compression—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeGBookstore—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeHCheese Game—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeIHenry Porter and the Palindromic Radius—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeJAntennas—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeKGhost—Baekjoon Online Judge (wayback) closed 2026-04-28
poland-2019poland-20192019–2020EuropeLDonuts—Baekjoon Online Judge (wayback) closed 2026-04-28
qingdao-2016qingdao-20162016–2017Asia EastARelic Discovery—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastBPocket Cube—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastCPocky—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastDLucky Coins—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastEFibonacci—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastFLambda Calculus—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastGCoding Contest—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastHPattern—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastITravel Brochure—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastJCliques—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastKFinding Hotels—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastLTower Attack—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2016qingdao-20162016–2017Asia EastMGenerator and Monitor—HDU Online Judge (acm.hdu.edu.cn)
qingdao-2017qingdao-20172017–2018Asia EastABattle in Two Pairs of Heroes—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastBChenchen, Tangtang and ZengZeng—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastCCollecting Cents—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastDEnclosure of Land and Water—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastEFloppy Cube—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastFHex Game—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastGPythagoras, One More Time—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastHSpacecraft—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastIThe Squared Mosquito Coil—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastJSuffix—Luogu 洛谷 (Luògǔ)
qingdao-2017qingdao-20172017–2018Asia EastKOur Journey of Xian Ends—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Books 099c9c8b-8b32-4a07-bf26-3c95470823ff—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Soldier Game 12499cf4-f830-42ef-9e2e-a30abeb20d8f—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Sequence and Sequence—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Kawa Exam—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Flippy Sequence—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Magic Multiplication—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Plants vs. Zombies—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Tournament—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Repair the Artwork—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Mirror—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Airdrop—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Sub-cycle Graph—Luogu 洛谷 (Luògǔ)
qingdao-2018qingdao-20182018–2019Asia East?Function and Function—Luogu 洛谷 (Luògǔ)
rmc-1990rmc-19901990–1991North America?Combinations—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?Bingo—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?Ackermann Functions—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?WhatFix Notation—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?Romulan Spelling—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?Big Mod—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?Inscribed Circles and Isosceles Triangles—ICPC Live Archive
rmc-1990rmc-19901990–1991North America?More Triangles ... THE AMBIGUOUS CASE—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Chairlift—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Reserve Bookshelf—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Clock—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Triangle Encapsulation—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Tribal Legislation—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Floating Point Numbers—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Bio - Informatics—ICPC Live Archive
rmc-2000rmc-20002000–2001North America?Roman Forts—ICPC Live Archive
rmc-2005rmc-20052005–2006North AmericaATire Dimensions—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaBRandom Walk—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaCPaint Mix—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaDOpen and Close—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaFSmallest Difference—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaGFaulty Odometer—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2005rmc-20052005–2006North AmericaISuit Distribution—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaABridge Bidding—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaBBaskets of Gold Coins—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaCToothpick Arithmetic—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaFMarbles in Three Baskets—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaGDoors and Penguins—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaHKnots—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2006rmc-20062006–2007North AmericaIString Equations—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaATree Grafting—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaBLook and Say—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaCServer Relocation—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaDCoin Toss—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaEVacation Rentals—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaFBaseball—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaGTeam Work—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2007rmc-20072007–2008North AmericaHWavelet Compression—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaARange—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaBCoverage—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaCXML—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaDClickomania—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaEBalance—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaFResistors—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaGShuffling—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaHPapa—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2009rmc-20092009–2010North AmericaIWax—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaBRopes—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaCChain Code—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaDTask—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaGRailroad—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaHPost Office—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2010rmc-20102010–2011North AmericaIAronson—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaAIterated Difference—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaBShape Number—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaCStock Prices—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaDContour Tracing—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaFRobot Navigation—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaGUser Names—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaHCitizenship Application—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaIWealthy Family—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2011rmc-20112011–2012North AmericaJSupply Mission—Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North AmericaBSeven Kingdoms sevenkingdoms ee107a82-0b92-4658-a7d6-d8e0115caeda—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North AmericaCInstitute of Advanced Category Manipulation categorymanipulation dca382da-6561-4960-a3c6-290137f6a03c—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North AmericaDDigital Content Protection contentprotection 89864bc0-eb9f-4b43-9ab9-2cab2956afaf—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North AmericaIFlood-It floodit 43ef3f58-f8b4-4fde-8ce3-8fbc79578d0a—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North AmericaJChemicals Monitoring chemicalsmonitoring 5a11bc4a-866c-4281-bd6e-98e25ff5fc37—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2013rmc-20132013–2014North America?Credit Card Payment creditcard 3fa38b96-9790-42d0-9303-997b17a16816—Kattis · ICPC Live Archive
rmc-2013rmc-20132013–2014North America?Fast Food Prizes fastfood 4317ba52-cea8-4c34-bf3f-be3c6a72ae5c—Kattis · ICPC Live Archive
rmc-2013rmc-20132013–2014North America?IQ Test iqtest d9c1fa6a-e07c-4284-9ae8-c2cbd5e470e0—Kattis · ICPC Live Archive
rmc-2013rmc-20132013–2014North America?Social Advertising socialadvertising c92dbb87-64f9-409d-8ee9-7d815b7d8cf7—Kattis · ICPC Live Archive
rmc-2013rmc-20132013–2014North America?Tables—ICPC Live Archive
rmc-2014rmc-20142014–2015North AmericaBEligibility eligibility c936584c-9128-42b5-8652-36dc6bc31a45—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaCPlane Ticket Pricing ticketpricing cc583f6a-9439-470c-aa8e-8db3ffc62e38—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaDFacility Locations facility 7901fd31-3f7d-4535-a2fb-6b5e7d777ea3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaFLandline Telephone Network landline 16ac8f14-e64b-4a24-a933-ff71e4907a3c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaGAquarium Tank tank 3f1f8425-101c-41e4-8902-2dfa6b7e5305—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaHRestaurant Ratings ratings f50b1f47-5480-48dc-aace-d4368c26cd51—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaILocked Treasure lockedtreasure 23134105-62d8-46b9-ba41-34b1319fb992—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North AmericaJYet Satisfiability Again! satisfiability 925ff3ca-930c-4c4a-b29b-22191185034b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
rmc-2014rmc-20142014–2015North America?Continued Fraction fraction d438d619-7af4-4eb2-a0a7-f8cc8768467d—Kattis
rmc-2014rmc-20142014–2015North America?Repeated Substrings substrings c4accecf-4060-4ace-833a-6d099de44a12—Kattis
rmc-2014rmc-20142014–2015North America?Server server 28cc6cca-899f-449a-9d50-c9d45445d118—Kattis
rmc-2015rmc-20152015–2016North AmericaAPopular Vote vote 1384a0ab-f851-4dff-9934-a143fd1572c5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaBFlipping Cards flippingcards 07ade733-40a6-4867-b141-95288094fc64—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaCAmazing Race race 2fc1ad07-ca25-4f99-b6d5-97200bbcca10—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaDScaling Recipes recipes 921d3929-c803-4db5-afca-0fbe505599db—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaESpace Junk junk 688cf036-7887-4b54-b1ca-6c4250e45dda—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaFA Classy Problem classy 059799ca-4826-41bc-9270-056f01d04ade—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaGRubik's Revenge in ... 2D!? 3D? rubiksrevenge b94aa81d-d0e4-4eb3-857e-86f90ec566b3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaHThe Magical 3 magical3 0b16582b-1b58-4ce8-a900-84a48763bc3d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaIMatrix Keypad keypad 1342cf55-1c48-4834-8601-2cd86a4def47—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaJI've Been Everywhere, Man everywhere efa48200-ac98-4a69-b767-b63cbc50f20c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2015rmc-20152015–2016North AmericaKBundles of Joy bundles 63caba8b-1693-490c-99da-0140c93f4533—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaAFizzBuzz fizzbuzz cca308a5-cfa3-460a-866e-2c01b6d85bb9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaBElection election dcb681d2-9f3a-4b06-9e67-bc34986b0c76—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaCPassword Hacking password 36469ccd-2b8e-4e90-9fde-be123f773b2b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaDDelivering Goods delivering 79f96da1-7403-4576-ae62-1e486c609c0a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaEStudying For Exams studying 8e23056c-d7bd-4d61-80a9-1e02ebd6b626—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaFBumper-To-Bumper Traffic traffic b22b0a5c-a1fb-4a65-9273-824123368f77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaGFlow Shop flowshop 6ae525b7-bdb4-4112-8903-338212285910—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaHNice Numbers numbers b269c5ac-86a7-4630-880e-b736f9e46482—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaIStacking Cups cups a41fb91e-9ac1-421b-882d-a2124d5481b2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2016rmc-20162016–2017North AmericaJStack Construction stack e6bbeadd-e031-4c05-88a7-d6bd7ca6d668—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaAHissing Microphone hissingmicrophone e0b6ebc6-b9e6-4115-bfbd-758a1f867aee—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaBOpen-Pit Mining openpitmining 59bc99e9-7363-4bb0-be47-cf3acdd2061e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaCMultiplication Game multiplicationgame d0771bb0-d359-4c61-b8d4-57b9497654d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaDPolyline Simplification simplification e426d786-20c1-47ee-aee1-577f5efe6150—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaEPalindromic Password palindromicpassword b3a2792f-8829-4d5a-8bbf-b46ee2dffd51—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaFFlow Free flowfree 199c47b0-5192-435a-a781-bcfb6f6ef8a7—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaGDecisions, Decisions decisions dd5feaf1-f24b-4c5e-9674-a5d049b2b73f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaHHeart Rate heartrate c34ffe96-7300-49bb-bfb4-9af96997c40b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaIInitials initials 96717a72-0b42-4a4d-bb2c-7a019bce5347—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaJParticle Collision particlecollision 2ac48f7a-09a5-4a29-81ab-8e94bd7e7afb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2017rmc-20172017–2018North AmericaKFrosh Week froshweek2 10bbbb27-a7ca-4e06-ad40-a63bda990ddf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaAQuality-Adjusted Life-Year qaly afcf6edb-4c4e-46bf-9350-86f832da933f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaBGwen's Gift gwensgift 77fc6b49-f1d8-49a0-a2f4-557865fe50f0—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaCForest for the Trees forestforthetrees 3f0ba9b3-3a4e-4c39-aaae-bf16207078d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaDH-Index hindex b03a1081-201d-42cf-9ef4-31525fa4cfe2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaEDriving Lanes drivinglanes 89cec044-e6bc-4d41-a158-28671c50db80—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaFTreasure Spotting treasurespotting 96bbdea1-da7c-4ab3-bfde-f3603ba3226a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaGNeighborhood Watch neighborhoodwatch 8bacb7e3-056a-4092-985a-e0da0ed77001—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaHSmall Schedule smallschedule 554676e7-0973-4f64-ac3a-8500d04ad430—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaIMr. Plow King plowking 8e597323-fa6b-4ff3-8858-48e2a7863c99—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2018rmc-20182018–2019North AmericaJRainbow Road Race rainbowroadrace 8d977a81-a424-4166-a7c6-027281da89fb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaAPiece of Cake! pieceofcake2 017044cf-e403-4c72-bf3e-1e2748f144d2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaBFantasy Draft fantasydraft 6dc48957-7924-499a-bf3e-63701e27e623—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaCFolding a Cube foldingacube c2ecaeb2-0f4b-4fba-8559-36d05c0d390e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaDInteger Division integerdivision 2f1d3563-32c1-47b4-85e4-c39ff1ca6d03—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaEHogwarts hogwarts2 62e4d200-5b78-46f6-89e4-4bf65b8b4815—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaFMolecules molecules b589d9f8-3e1c-4d4a-9a09-5be80545c9a4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaGTypo typo 63d63d3f-146e-46ba-b27e-d8ee0021673a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaHThe Biggest Triangle biggesttriangle 081f36b3-bcfd-44e9-acf5-b11684136d4f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaITired Terry tiredterry 82a39c5b-1ffe-4b2d-a807-ae78a1fdd35a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaJWatch Later watchlater 277a57c3-31d1-4ef9-b81e-e9bd5c83ed34—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2019rmc-20192019–2020North AmericaKLost Lineup lostlineup a50e1886-865a-4520-9b6f-bd8aa854607e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaAStopwatch stopwatch 7b9fee10-9d0f-4c9e-b446-bb040be13cb6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaBArithmetic Decoding arithmeticdecoding 41493c9b-c0a4-4899-bae1-ff6485a65078—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaCPaper Snowflakes papersnowflakes a666b594-ad35-41bd-a8b7-661dbdffe83d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaDForced Choice forcedchoice 255af6ad-ae59-4788-bd82-b6ff9f67349a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaEInterview Queue interviewqueue b5f5cd6f-a84a-411b-8be8-f922757433e2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaFConquest conquest 96aaab89-5b74-4c23-8774-2df9331d6513—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaGDistance distance c86aed8c-c0d2-4571-9894-fa5a3425be71—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaHAntimatter Rain antimatterrain b67e4dba-2f37-43d6-a670-7811ca96b186—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaIVaccine Efficacy vaccineefficacy aaef54ee-c7fd-4db2-9652-4cb92ca6110d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaJPegs and Legs pegsandlegs a95a84a4-2205-4d0f-a44c-54adc3206f9e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2020rmc-20202020–2021North AmericaKTrain Boarding trainboarding 067dec88-a98d-4397-8ed4-f7e9ff2255bf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
rmc-2021rmc-20212021–2022North AmericaABetting betting c37934d5-78c7-42f6-81eb-61d201e0ca99—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaBAntialiasing antialiasing 70590245-39f5-475f-9c62-10db16d35fab—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaCSocial Distancing socialdistancing2 48a08f9d-37f3-4a8c-9957-2c21be02f74b—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaDPawn Shop pawnshop a7b9fd43-d16e-41b5-9648-0e285024477b—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaEElection Paradox electionparadox fae4dbb7-913c-447c-a562-c0550f658216—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaFProtect the Pollen! protectthepollen ad1aaf06-9a56-4b3c-ad6a-d441e0d433aa—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaGLoot Chest lootchest c7cea3d4-af46-47f9-bd35-5809bed86694—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaHRSA Mistake rsamistake 5165b0fb-720c-4052-96a2-3ed6e9bd0312—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaISlide Count slidecount 9c28cb0f-7a94-41dd-b8ca-5f5c8826cfaf—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaJSnowball Fight snowballfight 66dac711-b39a-4153-8bca-5806bfc606b5—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaKTeam Change teamchange 1715ab81-048f-4706-8b7f-589c63407fd3—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaLTicket Completed? ticketcompleted 502ee717-9e6f-42c6-9adc-e8a849e60cb0—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaMTrade Routes traderoutes 477e352f-46ef-49f2-8a10-0e9e979a85d4—Kattis · Kattis
rmc-2021rmc-20212021–2022North AmericaNWordle with Friends wordlewithfriends 46ec066c-8998-42c9-803a-26a3e3722c3a—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaAAttendance attendance2 b6d981fe-356d-477e-97c0-f508c9772b21—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaBAdd or Multiply addormultiply 270da693-e02e-4284-a7a6-b096f550ea89—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaCGuess Who guesswho cd6927b5-840c-427b-bd64-e0db74720cbb—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaDSeven Up sevenup 4240d52d-387a-40e4-b2a3-3e2452d833b5—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaEGas Station gasstation 48328a3a-0f67-4cb2-bfea-2eefa7efb3ab—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaFThwack! thwack 244a7b7e-f85f-421c-8648-1f8853a19ae9—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaGBombardment bombardment d766cebe-11e2-43b4-a167-9dc29ee56129—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaHScientific Grading scientificgrading c5b4c807-4d3d-46f8-9d8e-4fce51d2148a—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaIBuilding Roads buildingroads 73b2f542-5886-4b67-8162-775150919662—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaJDon't Be Fake dontbefake bb4b55f7-1f51-479d-929f-bc8f535f5be4—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaKA Complex Problem acomplexproblem f9936d3e-cdec-4311-9729-4c19809ac3be—Kattis · Kattis
rmc-2023rmc-20232023–2024North AmericaLRibbon Road ribbonroad 19ffe5e5-080e-44fb-91a6-c28540a5a68c—Kattis · Kattis
rmc-2024rmc-20242024–2025North America?Airfare Grants airfaregrants d5423662-bc79-4263-b90d-f109d8c318a7—Kattis
rmc-2024rmc-20242024–2025North America?Always Know Where Your Towel Is alwaysknowwhereyourtowelis 76933e23-e7f6-4417-99b7-091f7fff22e5—Kattis
rmc-2024rmc-20242024–2025North America?Big And bigand b2410d1d-3577-423f-8385-1743bfda618d—Kattis
rmc-2024rmc-20242024–2025North America?Emoticons emoticons2 f1f6e154-216d-47b1-ac27-8a08367563e2—Kattis
rmc-2024rmc-20242024–2025North America?Enchanted Maze enchantedmaze 54605aaf-caf8-4625-b81f-0778474429fc—Kattis
rmc-2024rmc-20242024–2025North America?Garage Door Code garagedoorcode 68b47e50-cd48-4447-9712-5c38d960737e—Kattis
rmc-2024rmc-20242024–2025North America?Palindromic Word Search palindromicwordsearch 0a81b4a2-0608-414c-ada4-7365295894f5—Kattis
rmc-2024rmc-20242024–2025North America?Pillow Stacking pillowstacking e336d123-edb3-401f-8943-24d5fd789580—Kattis
rmc-2024rmc-20242024–2025North America?Rectangle Tiling rectangletiling afab3d9d-adf8-4822-a5ab-dceb64f9702e—Kattis
rmc-2024rmc-20242024–2025North America?Rocky Mountain rockymountain 97ca59de-a9d7-4aa5-b38f-2c81265ebc37—Kattis
rmc-2024rmc-20242024–2025North America?Sandwich Art sandwichart a7d9bdfb-6190-438a-9142-0574811469c1—Kattis
rmc-2024rmc-20242024–2025North America?Sauna sauna b6f25879-5cda-4e55-9b4c-6710548ceae3—Kattis
rmc-2024rmc-20242024–2025North America?Space Elevator spaceelevator 551fdd60-74de-4f8e-992a-2ba2cd464044—Kattis
rmc-2025rmc-20252025–2026North America?Adrift At Sea adriftatsea 9151d1d9-cc8b-4a66-ba7e-7bbc74ea3139—Kattis
rmc-2025rmc-20252025–2026North America?Buying Jerseys buyingjerseys 6ef71dc8-694d-467d-b99b-3cb8a933dba3—Kattis
rmc-2025rmc-20252025–2026North America?Conveyor Belt Sushi conveyorbeltsushi 327a77db-96d3-4a2e-ac0d-0a8c8804e335—Kattis
rmc-2025rmc-20252025–2026North America?Corporate Retreat corporateretreat 2fd35c16-39ea-4894-bfb8-76ef2937fab8—Kattis
rmc-2025rmc-20252025–2026North America?Draft Lottery draftlottery 4e5edbdd-935a-413a-a3b5-a68a53bb51b2—Kattis
rmc-2025rmc-20252025–2026North America?Energy Usage energyusage 58a51d8f-a652-45a1-b848-32f9fd0cedd6—Kattis
rmc-2025rmc-20252025–2026North America?Genies genies 3c86fd14-6a0c-499f-bb67-327d81735ecc—Kattis
rmc-2025rmc-20252025–2026North America?Hexadecimal Confusion hexadecimalconfusion d9dbfadb-4ef3-4edb-81bc-4867cf715059—Kattis
rmc-2025rmc-20252025–2026North America?Poetic Tournament poetictournament c653331f-1896-4241-b3c5-b0adf6ab9269—Kattis
rmc-2025rmc-20252025–2026North America?Spies vs. Spies spiesvsspies ea2e13e7-4cb8-4ed4-a146-3b48b467ec0d—Kattis
rmc-2025rmc-20252025–2026North America?Team Practice teampractice 0d972858-7a31-4b3e-911f-07ea41d2ad08—Kattis
rmc-2025rmc-20252025–2026North America?Video Games videogames b55e609e-0381-4e50-b12b-bca79fcd2a9d—Kattis
rmc-2025rmc-20252025–2026North America?What Time Is It Mr. Fox? whattimeisitmrfox 101fab55-2e41-48bd-ba7d-1cd641058004—Kattis
romania-2023romania-20232023–2024EuropeAMaximum Distance—Codeforces Gym
romania-2023romania-20232023–2024EuropeBThe floor is lava!—Codeforces Gym
romania-2023romania-20232023–2024EuropeCBasketball—Codeforces Gym
romania-2023romania-20232023–2024EuropeDEdenland—Codeforces Gym
romania-2023romania-20232023–2024EuropeEFiboxor—Codeforces Gym
romania-2023romania-20232023–2024EuropeFSuceava—Codeforces Gym
romania-2023romania-20232023–2024EuropeGMinimize Sum—Codeforces Gym
romania-2023romania-20232023–2024EuropeHAI Thoughts—Codeforces Gym
romania-2023romania-20232023–2024EuropeIKSumT—Codeforces Gym
romania-2023romania-20232023–2024EuropeJParallelogram—Codeforces Gym
romania-2023romania-20232023–2024EuropeKBlabla—Codeforces Gym
romania-2023romania-20232023–2024EuropeLDush—Codeforces Gym
romania-2023romania-20232023–2024EuropeMDragons—Codeforces Gym
scusa-1995scusa-19951995–1996North America1Unix ls—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1995scusa-19951995–1996North America2Palindromes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1995scusa-19951995–1996North America3M*A*S*H—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1995scusa-19951995–1996North America4Postscript—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1995scusa-19951995–1996North America5Radar Scopes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1995scusa-19951995–1996North America6Message Routing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1996scusa-19961996–1997North America1Prime Cuts—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1996scusa-19961996–1997North America2Gears on a Board—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1996scusa-19961996–1997North America3Uniform Generator—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1996scusa-19961996–1997North America4Excuses, Excuses!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1996scusa-19961996–1997North America?Station Balance—ICPC Live Archive
scusa-1996scusa-19961996–1997North America?Centipede Collisions—ICPC Live Archive
scusa-1997scusa-19971997–1998North America1Pizza Anyone?—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1997scusa-19971997–1998North America2Adam's Genes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1997scusa-19971997–1998North America3Risk—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1997scusa-19971997–1998North America5Horse Shoe Scoring—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1997scusa-19971997–1998North America6Stats—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-1997scusa-19971997–1998North America?Just the Facts—ICPC Live Archive
scusa-1997scusa-19971997–1998North America?Jugs—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?You Who?—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Bowl—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Deck—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Eight—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Gizilch—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Ratio—ICPC Live Archive
scusa-1998scusa-19981998–1999North America?Scrabble—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Is this Poison?—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Shadows—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Election—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Virtual Computer—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Sebastian's Problem—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?The Tournament—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Sisco's Galaxy—ICPC Live Archive
scusa-2000scusa-20002000–2001North America?Tetris—ICPC Live Archive
scusa-2001scusa-20012001–2002North America1Does This Make Me Look Fat?—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America2Manifest Destiny—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America3Treasure Hunters—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America4Frogger's For Dinner—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America6Get Out 'Da Way!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America7Missing Piece 2001—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2001scusa-20012001–2002North America8Asteroids!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America1The Hardest Problem Ever—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America2Rubik’s Cube Solver—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America3Polar Explorer—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America4Door Man—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America5The Umbrella Problem: 2054—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America6Blue Gene, Jr.—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America7Byte Me!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2002scusa-20022002–2003North America8World’s Worst Bus Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2003scusa-20032003–2004North America?Blurred Vision 546536ee-4222-4bb7-8c9a-490820c08aef—
scusa-2003scusa-20032003–2004North America?Exact Change Only 90ed8984-7467-4912-b05a-ff63c7bbd7c1—
scusa-2003scusa-20032003–2004North America?Finding Nemo d7826ed3-73b5-4292-b537-663278f13af2—
scusa-2003scusa-20032003–2004North America?Keep on Truckin' da7d5e9f-9be9-4a9d-b637-171b34a7e5d9—
scusa-2003scusa-20032003–2004North America?Series Determination 000b88cd-97f5-4602-a240-2834cf80fee7—
scusa-2003scusa-20032003–2004North America?The Door/Key Problem 73e75922-1a62-4dda-a11f-c27c2ec49fb0—
scusa-2003scusa-20032003–2004North America?T-Shirt Gumbo fecdf43a-137b-4971-aa24-e0bd89cf7c5d—
scusa-2003scusa-20032003–2004North America?Window Pains da289bd0-1845-4d57-9645-ba10927c3ee4—
scusa-2005scusa-20052005–2006North America1Plinko—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America2Defining Moment—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America3Jetpack Sniper 3000 Fragfest Extreme—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America4Pegs—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America5Janken Tactics—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America6Bingo!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America7Artificial Strife—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2005scusa-20052005–2006North America8It's My Derivative—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America2Q—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America3Enigmatologically Cruciverbalistic—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America4Blue Jeans—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America5Core Wars—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America6'Roid Rage—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America7Children of the Candy Corn—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2006scusa-20062006–2007North America8Panic Room—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America2Verdis Quo—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America3The Screen Behind the Mirror—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America4Another Brick in the Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America5The Sidewinder Sleeps Tonite—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America6Rout 66—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America7Schottkey 7th Path—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America8Another Version of the Truth—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2007scusa-20072007–2008North America9The Final Countdown—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America1Rank and File—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America2The Extent of the Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America3Filtration—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America4Like Water for Clay—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America5Wandering Aimlessly—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America6Cables ... in Spaaace!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America7Patterns and Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America8No Wormholes Were Harmed...—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2008scusa-20082008–2009North America9Tribute (Editor)—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America1The Neptune Adventure—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America2Phil In the Blanks—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America3Honeycomb, Honeycomb, Me Want Honeycomb!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America4YO!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America5Barcode of Judgment—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America6Frenemies—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America7Know When to Hold Them—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2009scusa-20092009–2010North America8I'm Attacking the Darkness!—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America1Robot Navigation—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America2All Your Base—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America4This is Halloween: Saving Money—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America5Coffin Tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America6Thinking Inside the Box—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America7Lightbulb Testing—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2011scusa-20112011–2012North America8Operation: Merchant Boorinei—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America1Drop Zone—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America2Effective Infection Time—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America3Outpost Navigation—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America4Multikill—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America5Virology—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America6Worst Case Scenario—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America7Zombie Invasion—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2013scusa-20132013–2014North America8Zombdar—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaAKinfolk—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaBRefract Facts—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaCPoker—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaDInterpreter—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaEPositive Con Sequences—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaFMorse—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaGHounded by Indecision—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaHAnd Then There Was 5—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2015scusa-20152015–2016North AmericaIBoggle—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaABatter Up—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaBCollection—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaCFaulty Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaDHoney Heist—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaEHopscotch—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaFNine Knights—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaGNo Duplicates—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaHOrderly Class—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaIThe Uncertainty of Politics—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaJRing String—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2017scusa-20172017–2018North AmericaKState Fair—Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2018scusa-20182018–2019North America?Communications Satellite communicationssatellite 661bf41f-9862-43ed-a523-ce0a1b358d02—Kattis
scusa-2018scusa-20182018–2019North America?DJ Gigs djgigs 723fbb74-1e3c-49d2-b4f9-335a0cc086b8—Kattis
scusa-2018scusa-20182018–2019North America?Great Fireball greatfireball db594211-f595-451d-bbb4-e4623d20559e—Kattis
scusa-2018scusa-20182018–2019North America?Last Factorial Digit lastfactorialdigit 8c1739fd-a284-4b58-8983-e36133d25677—Kattis
scusa-2018scusa-20182018–2019North America?Minor Setback minorsetback cf4978e6-05ff-4339-8484-c374bcc86717—Kattis
scusa-2018scusa-20182018–2019North America?Raging River ragingriver 77397d94-3166-4113-b015-876cc2a5f7a2—Kattis
scusa-2018scusa-20182018–2019North America?Relocation relocation cd6b0add-fc43-4a22-87c2-07197d2bffe2—Kattis
scusa-2018scusa-20182018–2019North America?Substring Switcheroo substringswitcheroo ba36a0f2-f3ac-4401-8422-fcd8ab83a74b—Kattis
scusa-2018scusa-20182018–2019North America?Turning Trominos turningtrominos da41d38e-7b5c-41e8-9b37-b51ae778fb77—Kattis
scusa-2018scusa-20182018–2019North America?Unique Dice uniquedice c9def6bf-ae16-4995-a92d-3d829cb48781—Kattis
scusa-2018scusa-20182018–2019North America?Unterwave Distance unterwavedistance 661c6041-2fde-429a-b581-c74aa049b18b—Kattis
scusa-2018scusa-20182018–2019North America?Warehouse warehouse 13cca274-e1e0-421d-8d27-41a76eba1f7e—Kattis
scusa-2019scusa-20192019–2020North AmericaAAll is Well alliswell—Kattis
scusa-2019scusa-20192019–2020North AmericaBBirthday Paradox birthdayparadox—Kattis
scusa-2019scusa-20192019–2020North AmericaCCode Names codenames—Kattis
scusa-2019scusa-20192019–2020North AmericaDFlipping Patties flippingpatties—Kattis
scusa-2019scusa-20192019–2020North AmericaEFull Depth Morning Show fulldepthmorningshow—Kattis
scusa-2019scusa-20192019–2020North AmericaFDon't Fence Me In dontfencemein—Kattis
scusa-2019scusa-20192019–2020North AmericaGOn Average They're Purple onaveragetheyrepurple—Kattis
scusa-2019scusa-20192019–2020North AmericaHPulling Their Weight pullingtheirweight—Kattis
scusa-2019scusa-20192019–2020North AmericaISome Sum somesum—Kattis
scusa-2019scusa-20192019–2020North AmericaJThis Ain't Your Grandpa's Checkerboard thisaintyourgrandpascheckerboard—Kattis
scusa-2019scusa-20192019–2020North AmericaKNever Jump Down neverjumpdown—Kattis
scusa-2019scusa-20192019–2020North AmericaLWeird Flecks, But OK weirdflecksbutok—Kattis
scusa-2020scusa-20202020–2021North AmericaAAnt Typing anttyping—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaBBad Packing badpacking—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaCBitonic Ordering bitonicordering—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaDCondorcet condorcet—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaEDominating Duos dominatingduos—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaFExam Manipulation exammanipulation—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaGExciting Tournament excitingtournament—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaHKth Subtree kthsubtree—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaILongest Common Subsequence longestcommonsubsequence—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaJMagic Trick magictrick—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaKMissing Number missingnumber—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaLRainbow Numbers rainbownumbers—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaMRating Problems ratingproblems—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaNTriangular Collection triangularcollection—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaOTripTik triptik—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2020scusa-20202020–2021North AmericaPUnread Messages unreadmessages—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
scusa-2021scusa-20212021–2022North AmericaABlack and White blackandwhite—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaBCircle Bounce circlebounce—Kattis
scusa-2021scusa-20212021–2022North AmericaCDiagonals diagonals—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaDDorm Room Divide dormroomdivide—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaEFail Them All! failthemall—Kattis
scusa-2021scusa-20212021–2022North AmericaFHopscotch 500 hopscotch500—Kattis
scusa-2021scusa-20212021–2022North AmericaGShortest Missing Subsequences shortestmissingsubsequences—Kattis
scusa-2021scusa-20212021–2022North AmericaHTetris Generation tetrisgeneration—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaITournament Seeding tournamentseeding—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaJTree Hopping treehopping—Kattis · Kattis
scusa-2021scusa-20212021–2022North AmericaKXOR Island xorisland—Kattis
scusa-2021scusa-20212021–2022North AmericaLWho Goes There? whogoesthere—Kattis
scusa-2021scusa-20212021–2022North America?Average Character averagecharacter—Kattis
scusa-2021scusa-20212021–2022North America?Double Password doublepassword—Kattis
scusa-2021scusa-20212021–2022North America?Overdraft overdraft—Kattis
scusa-2021scusa-20212021–2022North America?Rise and Fall riseandfall—Kattis
scusa-2021scusa-20212021–2022North America?Square Bounce squarebounce—Kattis
seerc-1995seerc-19951995–1996Europe?Wily Hacker's Problem—ICPC Live Archive
seerc-1995seerc-19951995–1996Europe?Sentence Generator—ICPC Live Archive
seerc-1995seerc-19951995–1996Europe?Optimisation—ICPC Live Archive
seerc-1995seerc-19951995–1996Europe?Contour Painting—ICPC Live Archive
seerc-1995seerc-19951995–1996Europe?Trains—ICPC Live Archive
seerc-1995seerc-19951995–1996Europe?Maze Exploration—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Grid Colouring 1ca5ec18-580a-45bb-be78-defc4474a303—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Working with Relations—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Maximum Sub-sequence Product—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?One Day Tours—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Indexing—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Head Judge Headache—ICPC Live Archive
seerc-1996seerc-19961996–1997Europe?Term Reductions—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Program Modules—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Network Connections—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Straightest Paths—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Sandorf's Cipher—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Critical Links—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Two Way Traffic—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Tile Puzzle—ICPC Live Archive
seerc-1997seerc-19971997–1998Europe?Safari Holiday—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Strategic game—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Company—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Multiple—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Girls and Boys—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Symbolic Derivation—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Rectangles—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Courses—ICPC Live Archive
seerc-2000seerc-20002000–2001Europe?Closest Common Ancestors—ICPC Live Archive
seerc-2001seerc-20012001–2002EuropeEPermutation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2001seerc-20012001–2002Europe?Optimal Polynom—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Soldiers—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Secret Numbers—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Typography—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Find a number—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Counterfeit Coins—ICPC Live Archive
seerc-2001seerc-20012001–2002Europe?Computer Game—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Cash Machine—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Beer Land—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Boat—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Art Gallery—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Game—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Manager—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Networking—ICPC Live Archive
seerc-2002seerc-20022002–2003Europe?Sly Number—ICPC Live Archive
seerc-2003seerc-20032003–2004EuropeBHidden Password—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2003seerc-20032003–2004EuropeCCrazy tea party—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2003seerc-20032003–2004EuropeFCommon Subsequence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2003seerc-20032003–2004EuropeGPower Network—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2003seerc-20032003–2004EuropeHFirefighters—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2003seerc-20032003–2004Europe?Delta Encoding and Decoding—ICPC Live Archive
seerc-2003seerc-20032003–2004Europe?Supermarket—ICPC Live Archive
seerc-2003seerc-20032003–2004Europe?Lord of the Ring—ICPC Live Archive
seerc-2003seerc-20032003–2004Europe?Binary Polynomials—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Period—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Corporative Network—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Cave Exploration—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?City Game—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Cube Root—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Cable TV Network—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Alibaba—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Booklets—ICPC Live Archive
seerc-2004seerc-20042004–2005Europe?Count on Cantor—ICPC Live Archive
seerc-2005seerc-20052005–2006EuropeGComputer Transformation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2005seerc-20052005–2006Europe?Linear world—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Songs—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Sudoku—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Tour—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Mothy—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Adventurous Driving—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Anagrammatic Distance—ICPC Live Archive
seerc-2005seerc-20052005–2006Europe?Tomato Automata—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Sudoku—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Subsequence—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Celebrity jeopardy—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Sherlock Holmes—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Payment System—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Stargates—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Maximum—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?Japan—ICPC Live Archive
seerc-2006seerc-20062006–2007Europe?"Shortest" pair of paths—ICPC Live Archive
seerc-2007seerc-20072007–2008EuropeAJohn—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeBDouble Queue—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeC'JBC'—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeDLoan Scheduling—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeEShowstopper—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeFHighway—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeGComputers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeHThe Stable Marriage Problem—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2007seerc-20072007–2008EuropeIArne Saknussemm—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009EuropeBSky Code—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009EuropeDLucky cities—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009EuropeEBuild Your Home—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009EuropeFQuick answer—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009EuropeIInternet Service Providers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2008seerc-20082008–2009Europe?Stock Exchange—ICPC Live Archive
seerc-2008seerc-20082008–2009Europe?Perfect Election—ICPC Live Archive
seerc-2008seerc-20082008–2009Europe?Lucky numbers—ICPC Live Archive
seerc-2008seerc-20082008–2009Europe?GCD Determinant—ICPC Live Archive
seerc-2009seerc-20092009–2010EuropeCSystem Engineer—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2009seerc-20092009–2010Europe?RSA Factorization—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?Hard-working Student—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?Cycles of Lanes—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?Multiprocessor Scheduling—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?Maze Stretching—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?Software Industry Revolution—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?The Lucky Numbers—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?The Robbery—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?The Computer Game—ICPC Live Archive
seerc-2009seerc-20092009–2010Europe?The Bad Number—ICPC Live Archive
seerc-2010seerc-20102010–2011EuropeEControl Points—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2010seerc-20102010–2011EuropeFGamers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2010seerc-20102010–2011Europe?The Table—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Calculator—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Largest Empty Circle on a Segment—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Problemsetting—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Cosmic Station—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Game—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Proof Generator—ICPC Live Archive
seerc-2010seerc-20102010–2011Europe?Shares—ICPC Live Archive
seerc-2011seerc-20112011–2012EuropeASecret --- MAX—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeBSafety Grade—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeCSearch by template—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeDRoots Intervals—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeGChoosing a camera—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeHRoad Planner—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeITerm Generator—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012EuropeJPainting—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2011seerc-20112011–2012Europe?Palindromic Dates—ICPC Live Archive
seerc-2011seerc-20112011–2012Europe?Post Offices—ICPC Live Archive
seerc-2012seerc-20122012–2013EuropeADr Who's Banquet—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeBBitris—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeCPrimes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeDLongest Prefix Match—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeEStripe—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeFMaximal Number of Divisors—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeGMiraculous Drug—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeHSoftville—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeITree—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2012seerc-20122012–2013EuropeJVAN DINSKY—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeARussian Dolls—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeBIntercity—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeCCount—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeEA+B—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeFDragon Pattern—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeGPoints—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeHRed John Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014EuropeIInfluence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2013seerc-20132013–2014Europe?Chess—ICPC Live Archive
seerc-2013seerc-20132013–2014Europe?An Idea of Mr. A—ICPC Live Archive
seerc-2014seerc-20142014–2015EuropeABanks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeBCircle of digits—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeCUFO—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeDFrame—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeEPoints—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeFMost Influential Pumpkin—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeGGrammar—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeHTriples—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeIMulti-Machine Scheduling of Two Applications—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2014seerc-20142014–2015EuropeJStrange Antennas—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeAEquivalence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeBTree of Almost Clean Money—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeCPrimes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeDLCM—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeETaxies—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeFIrrational Roots—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeGRace—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeHRailway Tickets—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeIOlympic Parade—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2015seerc-20152015–2016EuropeJWord by mouth—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeAThree Squares—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeBFavorite music—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeCCastle—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeDReading Digits—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeEExam—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeFLetters—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeGPokemons—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeHPub crawl—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeICubes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeJMarathon—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2016seerc-20162016–2017EuropeKCutting—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeAConcerts—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeBBricks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeCChristmas Tree—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeDHarry Potter and The Vector Spell—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeELooping Playlist—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeFBinary Transformations—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeGRobots—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeHCat and Mouse—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeITetris—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeJCunning Friends—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeKEscape Room—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2017seerc-20172017–2018EuropeLDivide and Conquer—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeANumbers—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeBBroken Watch—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeCTree—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeDSpace Station—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeEFishermen—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeFMin Max Convert—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeGMatrix Queries—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeHModern Djinn—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeIInversion—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeJRabbit vs Turtle—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2018seerc-20182018–2019EuropeKPoints and Rectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeAMax or Min—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeBLevel Up—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeCFind the Array—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeDCycle String?—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeELife Transfer—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeFGame on a Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeGProjection—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeHTree Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeIAbsolute Game—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeJGraph and Cycles—Baekjoon Online Judge (wayback) closed 2026-04-28
seerc-2019seerc-20192019–2020EuropeKStranded Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-1990seusa-19901990–1991North America?The Seasonal War—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Pesky Palindromes—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Crazy Calculator—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?The Bases Are Loaded—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Square Pegs And Round Holes—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Let Me Count The Ways—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Don't Have A Cow—ICPC Live Archive
seusa-1990seusa-19901990–1991North America?Sex Assignments And Breeding Experiments—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Cops and Robbers 1d29aaa6-da1f-46b8-af2c-0614c5e29e01—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Cutting Up ed83005f-bf99-46f3-93af-4e481ffdebbc—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Don't Get Hives From This One!—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?18,000 Seconds Remaining—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Approximate Matches—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Constitutional Computing—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Welfare Reform—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Halting Factor Replacement Systems—ICPC Live Archive
seusa-1996seusa-19961996–1997North America?Indexing Web Pages—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Are We There Yet?—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Bob's Bingo Bonanza—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Charity Begins at Home-page—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Hey, You're Not Marion Jones!—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?If it's a Javelin, Duck!—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?The Party's in Dolores's Driveway—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Programming Olympiad—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Rectangular Rectitude—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?The Plane Problem—ICPC Live Archive
seusa-2000seusa-20002000–2001North America?Who Wants to Have the Fastest Fingers?—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?The Amazing Mooville Jumping Skiers—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Analyzing Network Logs—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Archiving Files to CD-ROM—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Do You Get the Message?—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Duck!—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?DudeWheres My Gas?—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Let Me Count the Ways—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Playing the Percentages—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Puzzling Numbers—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?Shuffle off to...Milledgeville?—ICPC Live Archive
seusa-2001seusa-20012001–2002North America?The Smart Alec Cashier—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Abba—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Bridge Over Troubled Waters—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?We are the Champions—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Knight Moves—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Turn Off the Lights—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Patterns—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Squirrelly in the Morning...—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?I Can't Drive 55—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Name that Tune?—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Village People—ICPC Live Archive
seusa-2002seusa-20022002–2003North America?Saved by Zero—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Accounting Woes—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Antialias—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Armageddon—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Election—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Fame—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Marquee Magic—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?The Matrix—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Run Forrest! Run!—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Toga Party—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Treasure Island—ICPC Live Archive
seusa-2003seusa-20032003–2004North America?Universe in the Cupboard—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Air Express—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Cube—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Gate Allocation—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Jigsaw—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?LED Modding—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Marching in the Corporate Parade—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Packing Passengers—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Something About Airplanes—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Tennis Anyone?—ICPC Live Archive
seusa-2004seusa-20042004–2005North America?Where's Ivan?—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Auto-Receptionist—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?British Map Grids—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Do You Read Me?—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Give 'til it Feels Good—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Goldbach++—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Joe's Air Hockey Game—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Making the Grade—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Multiple Choice—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Unit Conversion—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?Well-formed Polygon—ICPC Live Archive
seusa-2005seusa-20052005–2006North America?We've Got Your Number—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Digital Reversal Addition Method (DRAM)—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Divisibility—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Folding Colored Cubes—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Lawn Mowing—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Logical Mazes—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Pebbles—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?The Pushy Blockhead—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Tracking—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Trick or Treat!—ICPC Live Archive
seusa-2006seusa-20062006–2007North America?Whoop-de-doo—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Abacus Sort—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Base-d Times—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?The Dog Days of Programming Contests—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?How Do I Get Back HOME?—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Modified Run Length Encoding—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Persian Carpets—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?The Polyathlon—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Pronounceable Words—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Share and Share Alike—ICPC Live Archive
seusa-2007seusa-20072007–2008North America?Spell Checker—ICPC Live Archive
seusa-2008seusa-20082008–2009North AmericaASeries / Parallel Resistor Circuits—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaBThe Heart of the Country—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaCLawrence of Arabia—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaDShoring Up the Levees—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaECombination Lock—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaFFred's Lotto Tickets—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaGA No-Win Situation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaHA Walk in the Park—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaITeleport Out!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2008seusa-20082008–2009North AmericaJWorms—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaABlock Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaCMuseum Guards—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaDKnitting—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaFThe Ninja Way—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaHRobot Challenge—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North AmericaIMosaic—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2009seusa-20092009–2010North America?Euclid—ICPC Live Archive
seusa-2009seusa-20092009–2010North America?Minesweeper—ICPC Live Archive
seusa-2009seusa-20092009–2010North America?Pool Table—ICPC Live Archive
seusa-2010seusa-20102010–2011North AmericaABalloons—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2010seusa-20102010–2011North AmericaCData Recovery—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2010seusa-20102010–2011North AmericaDEqual Angles—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2010seusa-20102010–2011North AmericaHRoller Coaster—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2010seusa-20102010–2011North AmericaISkyline—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2010seusa-20102010–2011North America?Bit Counting—ICPC Live Archive
seusa-2010seusa-20102010–2011North America?Maximum Square—ICPC Live Archive
seusa-2010seusa-20102010–2011North America?Palindrometer—ICPC Live Archive
seusa-2010seusa-20102010–2011North America?Profits—ICPC Live Archive
seusa-2010seusa-20102010–2011North America?Underground Cables—ICPC Live Archive
seusa-2011seusa-20112011–2012North AmericaASunday Drive—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaBHexagram—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaERobot Navigation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaFFolding Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaGBurnout—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaHFamily Fortune—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North AmericaIMoving Points—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2011seusa-20112011–2012North America?Flooring Tiles—ICPC Live Archive
seusa-2011seusa-20112011–2012North America?Vive la Difference!—ICPC Live Archive
seusa-2011seusa-20112011–2012North America?Vampire Numbers—ICPC Live Archive
seusa-2012seusa-20122012–2013North AmericaBCollision Detection—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North AmericaEFunhouse—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North AmericaHTsunami—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North AmericaIUnhappy Numbers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North AmericaJWalls—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North America?Candy Store—ICPC Live Archive
seusa-2012seusa-20122012–2013North America?Component Testing—ICPC Live Archive
seusa-2012seusa-20122012–2013North America?Do It Wrong, Get It Right—ICPC Live Archive
seusa-2012seusa-20122012–2013North America?A Terribly Grimm Problem—ICPC Live Archive
seusa-2012seusa-20122012–2013North America?Heads or Tails—ICPC Live Archive
seusa-2012seusa-20122012–2013North America?Dueling Philosophers—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North America?Paint Me—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North America?Party Games—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2012seusa-20122012–2013North America?Reverse Nonogram—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North AmericaCPing!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North AmericaDElectric Car Rally—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North AmericaESkyscrapers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North AmericaGTandem Repeats—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North AmericaIIt Takes a Village—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2013seusa-20132013–2014North America?Beautiful Mountains—ICPC Live Archive
seusa-2013seusa-20132013–2014North America?Nested Palindromes—ICPC Live Archive
seusa-2013seusa-20132013–2014North America?Star Simulations—ICPC Live Archive
seusa-2013seusa-20132013–2014North America?Triangles—ICPC Live Archive
seusa-2013seusa-20132013–2014North America?You Win!—ICPC Live Archive
seusa-2014seusa-20142014–2015North AmericaAAlchemy alchemy 3d3bd82a-c4c8-4b41-8e39-e89747246dc3—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North AmericaBStained Carpet carpet 4ceb7ea8-fc13-4182-9beb-22b6fc2f9772—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North AmericaCContainment containment a8f1b122-2780-4b52-ab34-dff89863db78—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North AmericaDGold Leaf goldleaf 87151720-9861-4855-bc85-21af248bf196—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North AmericaGWord Ladder wordladder2 7ce061a7-7ec4-4df3-addc-e4a35f105c2e—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North AmericaHShuffles shuffles f84e6b58-3aa9-4fdf-9d7d-3fa2925227af—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North America?Hill Number hillnumbers f20d4dd0-c660-4493-af7c-7206b028f5bc—Kattis · ICPC Live Archive
seusa-2014seusa-20142014–2015North America?Knights knights a9e6be9c-18b8-46cf-b498-f80f85db86bc—Kattis · ICPC Live Archive
seusa-2014seusa-20142014–2015North America?Stamp Stamp stampstamp f2ffc6a2-0a92-47f5-afeb-38037c3549b7—Kattis · ICPC Live Archive
seusa-2014seusa-20142014–2015North America?Knight Moves—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North America?Marble Madness—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North America?Polling—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North America?Runes—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2014seusa-20142014–2015North America?Top 25—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North AmericaAAirports airports 223ca41a-cbc5-44bd-bea9-cebb80a3fc90—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaBCheckers checkers a4b6191c-207f-45d5-a201-aeb59e97b703—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaCCoverage coverage 86f20742-fc66-4555-bc3c-6c197f9e799b—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaDGears gears2 a74cc9d7-b2d5-4c06-bd09-82f9ea7774ea—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaEGrid grid 0a981105-bd1e-4ce9-ad2d-f239355c1be8—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaFHilbert Sort hilbertsort 275a983a-4eaa-444d-888c-f405d8f78de9—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaGThe Magical 3—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North AmericaHRacing Gems racinggems c0764c67-73c1-42c8-bddc-84346e044684—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2015seusa-20152015–2016North AmericaIComplexity—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North AmericaJOlympics—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Simplicity simplicity 117fe790-9907-4996-b166-81dceb34cd90—ICPC Live Archive · Kattis
seusa-2015seusa-20152015–2016North America?Weightlifting weightlifting 6d5d9daa-a2ce-48b4-b7ae-46a2b9ba67eb—ICPC Live Archive · Kattis
seusa-2015seusa-20152015–2016North America?Blur—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Classy—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Egg Drop—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Excellence—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Triangle—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2015seusa-20152015–2016North America?Xedni Drawkcab—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North AmericaAAlphabet alphabet 8190349a-2a62-437c-84f0-cf1ee92e2522—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaBBase Sums 53a56551-ed12-43c8-98d3-9ab7495559b3—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North AmericaCBuggy Robot buggyrobot2 0894ad08-9717-4fce-b960-885abcfaa7f4—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaDEnclosure enclosure fde4a08b-ccc8-4902-85fc-8db18489e3c5—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaEIllumination illumination 3e8ae5b2-1540-452f-92c2-b4ded806c351—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaFInTents intents 63e64a10-6730-46ac-81b7-cd156566c445—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaGIslands islands3 35e5803b-2005-4dbf-8475-7eca077b562f—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaHPaint paint ad4c79e9-8d88-47a1-838c-a648820c2189—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaIPeriodic Strings periodicstrings 341ef5a7-5143-4ee7-8d02-fa3040ec89fd—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaJWater water ea78ae6f-bbb7-47e9-821a-de53a20a4412—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North AmericaKZigzag zigzag2 4334055b-d87f-43f0-80de-b08d3a45f4a3—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2016seusa-20162016–2017North America?Barbells—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North America?As Easy as CAB—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North America?Falling Apples—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North America?Project Panoptes—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North America?Mismatched Socks—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2016seusa-20162016–2017North America?It Takes Three—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaADucks in a Row—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaBEnlarging Enthusiasm—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaCFlipping Out—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaDJumping Haybales—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaELong Long Strings—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaFMove Away—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaGRainbow Roads—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaHSecurity Badge—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaIStar Arrangements—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaJTreasure Map—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North AmericaKUnsatisfying—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Exciting Finish!—ICPC Live Archive
seusa-2017seusa-20172017–2018North America?Security Badges—ICPC Live Archive
seusa-2017seusa-20172017–2018North America?Congruent Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Unloaded Die—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Halfway—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Law 11—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Purple Rain—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2017seusa-20172017–2018North America?Arithmetic Sequences—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaAAbstract Art—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaBCount the Bits—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaCExam—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaDIlliteracy—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaEInversions—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaFKnockout—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaGMobilization—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaHPaper Strips—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaIRectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaJArea Rug—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North AmericaKTo Tell the Truth—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North America?Goat Rope—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North America?Repeating Goldbachs—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North America?Random Index Vectors—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North America?Sculpture—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2018seusa-20182018–2019North America?Time Limits—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaACarryless Square Root—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaBComputer Cache—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaCElven Efficiency—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaDSwap Free—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaEFixed Point Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaFInterstellar Travel—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaGJumping Path—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaHLevenshtein Distance—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaIMaze Connect—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaJOne of Each—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North AmericaKWindmill Pivot—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?From A to B fromatob 2ec024fa-7aee-416d-86c8-3b20b2f014f5—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
seusa-2019seusa-20192019–2020North America?Balanced Animals—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?Checkerboard—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?Even or Odd?—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?Glow, Pixel, Glow!—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?Rainbow Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2019seusa-20192019–2020North America?ReMorse—Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaAAnt Typing anttyping—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaBBad Packing badpacking—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaCBitonic Ordering bitonicordering—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaDCondorcet condorcet—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaEDominating Duos dominatingduos—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaFExam Manipulation exammanipulation—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaGExciting Tournament excitingtournament—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaHKth Subtree kthsubtree—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaILongest Common Subsequence longestcommonsubsequence—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaJMagic Trick magictrick—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaKMissing Number missingnumber—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaLRainbow Numbers rainbownumbers—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaMRating Problems ratingproblems—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaNTriangular Collection triangularcollection—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaOTripTik triptik—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
seusa-2020seusa-20202020–2021North AmericaPUnread Messages unreadmessages—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-1996shanghai-19961996–1997Asia East?Schedule Problem—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?Minimum Transport Cost—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?Prime Ring Problem—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?Milk Bottle Data—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?String Distance and Transform Process—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?The partition of a cake—ICPC Live Archive
shanghai-1996shanghai-19961996–1997Asia East?The Problem of Train Setout—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia EastFThe Revolution of the Ants—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-1999shanghai-19991999–2000Asia EastGGame Fan—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-1999shanghai-19991999–2000Asia EastHHow Many Days Are There—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-1999shanghai-19991999–2000Asia East?Paint the Map—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia East?Bangle—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia East?Circle Network—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia East?Weiqi—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia East?Color Ropes—ICPC Live Archive
shanghai-1999shanghai-19991999–2000Asia East?Princess and Hero—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Coloration Problem—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Trip! Trip! Trip!—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Dance Dance Revolution—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Helicopter—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Card Game in FF8—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Hot or Cold?—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?The Monocycle—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?The Necklace—ICPC Live Archive
shanghai-2000shanghai-20002000–2001Asia East?Digital Rivers—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Gnome Tetravex—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Enigma—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Area—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?NTA—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Mainframe—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Great Equipment—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Operand—ICPC Live Archive
shanghai-2001shanghai-20012001–2002Asia East?Fishing Net—ICPC Live Archive
shanghai-2004shanghai-20042004–2005Asia EastAAmphiphilic Carbon Molecules—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastBLink and Pop -- the Block Game—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastCThe Counting Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastDDifferent Digits—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastEThat Nice Euler Circuit—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastFThe Floor Bricks—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastGThe Rotation Game—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastHTian Ji -- The Horse Racing—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastIIslands and Bridges—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2004shanghai-20042004–2005Asia EastJJamie's Contact Groups—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastAZombie’s Treasure Chest—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastCXavier is Learning to Count—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastDWinmine.exe—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastEVery Boring Homework—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastFUniversal Question Answering System—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastGTriangles and Quadrangle—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastHShare the Cakes—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2011shanghai-20112011–2012Asia EastJQuelling Blade—Baekjoon Online Judge (wayback) closed 2026-04-28
shanghai-2015shanghai-20152015–2016Asia EastAAn Easy Physics Problem—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastBBinary Tree—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastCColorful Tree—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastDDiscover Water Tank—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastEExpection of String—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastFFriendship of Frog—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastGGame of Arrays—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastHHappiness of Frog—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastIInfinity Point Sets—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastJJourney of Taku—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastKKingdom of Black and White—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2015shanghai-20152015–2016Asia EastLLCM Walk—HDU Online Judge (acm.hdu.edu.cn)
shanghai-2019shanghai-20192019–2020Asia EastAMr. Panda and Dominoes—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastBPrefix Code—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastCMaze—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastDSpanning Tree Removal—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastECave Escape—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastFA Simple Problem On A Tree—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastGPlay the game SET—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastHTree Partition—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastIPortal—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastJBob's Poor Math—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastKColor Graph—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastLLight It Down—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2019shanghai-20192019–2020Asia EastMBlood Pressure Game—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2020shanghai-20202020–2021Asia EastAWowoear—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastBMine Sweeper II—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastCSum of Log—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastDWalker—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastEThe Journey of Geor Autumn—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastFFountains—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastGFibonacci—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastHRice Arrangement—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastISky Garden—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastJOctasection—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastKTraveling Merchant—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastLTraveling in the Grid World—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2020shanghai-20202020–2021Asia EastMGitignore—NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ)
shanghai-2021shanghai-20212021–2022Asia EastAStrange_Functions—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastBStrange_Permutations—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastCStrange_Matrices—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastDStrange_Fractions—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastEStrange_Integers—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastFKaiji!—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastGEdge Groups—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastHLife is a Game—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastISteadily Growing Steam—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastJTwo Binary Strings Problem—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastKCircle of Life—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastLThree,Three,Three—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2021shanghai-20212021–2022Asia EastMHarmony in Harmony—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shanghai-2025shanghai-20252025–2026Asia EastAMenji, we miss you!—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastBHamu—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastCSingularity—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastDNot a subset sum—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastEFlower' s land 3—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastFFlower' s land 4—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastGGemcrate—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastHAGI—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastIRound screws—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastJYet another mailbox problem—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastKNo more regrets—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastLYet another permutation problem—Luogu 洛谷 (Luògǔ)
shanghai-2025shanghai-20252025–2026Asia EastMYet another 01 problem—Luogu 洛谷 (Luògǔ)
shenyang-2015shenyang-20152015–2016Asia EastAPattern String—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastBBazinga—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastCMinimum Cut-Cut—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastDPagodas—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastEEfficient Tree—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastFFrogs—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastGGame of Flying Circus—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastHChessboard—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastITriple—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastJJohn's Fences—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastKKykneion asma—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastLNumber Link—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2015shenyang-20152015–2016Asia EastMMeeting—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastAThickest Burger—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastBRelative atomic mass—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastCRecursive sequence—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastDWinning an Auction—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastECounting Cliques—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastFSimilar Rotations—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastGDo not pour out—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastHGuessing the Dice Roll—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastIThe Elder—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastJQuery on a graph—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastKNew Signal Decomposition—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastLA Random Turn Connection Game—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2016shenyang-20162016–2017Asia EastMSubsequence—HDU Online Judge (acm.hdu.edu.cn)
shenyang-2017shenyang-20172017–2018Asia EastABBP Formula—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastBBridge—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastCEmpty Convex Polygons—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastDDefense of the Ancients—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastEFive-round Show Hand—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastFHeron and His Triangle—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastGInfinite Fraction Path—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastHLegends of the Three Kingdoms—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastILittle Boxes—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastJNew Self-describing Sequence—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastKRabbits—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastLTree—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2017shenyang-20172017–2018Asia EastMWandering Robots—HDU Online Judge (acm.hdu.edu.cn) · Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastASockpuppets—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastBSequences Generator—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastCInsertion Sort—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastDDiameter of a Tree—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastEThe Kouga Ninja Scrolls—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastFCounting Sheep in Ami Dongsuo—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastGBest ACMer Solves the Hardest Problem—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastHRainbow Graph—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastIDistance Between Sweethearts—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastJHow Much Memory Your Code Is Using?—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastKLet the Flames Begin—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastLMachining Disc Rotors—Luogu 洛谷 (Luògǔ)
shenyang-2018shenyang-20182018–2019Asia EastMRenaissance Past in Nancy—Luogu 洛谷 (Luògǔ)
shenyang-2020shenyang-20202020–2021Asia EastAThe Grand Tournament—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastBWhispers of the Old Gods—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastCMean Streets of Gadgetzan—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastDJourney to Un'Goro—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastEKnights of the Frozen Throne—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastFKobolds and Catacombs—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastGThe Witchwood—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastHThe Boomsday Project—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastIRise of Shadows—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastJDescent of Dragons—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastKScholomance Academy—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastLForged in the Barrens—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2020shenyang-20202020–2021Asia EastMUnited in Stormwind—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastAA Bite of Teyvat—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastBBitwise Exclusive-OR Sequence—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastCCards of Magic—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastDCross the Maze—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastEEdward Gaming, the Champion—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastFEncoded Strings I—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastGEncoded Strings II—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastHLine Graph Matching—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastILinear Fractional Transformation—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastJLuggage Lock—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastKMatrix Operations—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastLPerfect Matchings—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
shenyang-2021shenyang-20212021–2022Asia EastMString Problem—NowCoder 牛客竞赛 (Niúkè, 'cow guest')
singapore-2000singapore-20002000–2001Asia Pacific?Counting Triangles—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Treasure Hunt in 3-Dimensional Maze—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Consumer Behavior Study—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Packaging—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Drug Tests in Seoul Olympics: To Test or not To Test?—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Conflict Sets in Resource Sharing—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Activity Scheduling in Project Management—ICPC Live Archive
singapore-2000singapore-20002000–2001Asia Pacific?Expert systems—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Encryption—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Tiling Polygons—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Searching Sequence Database in Molecular Biology—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Comparing Trees—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Enumeration of Cross-Department Teams—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Container Set Selection—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Separating Golden and Silver Balls—ICPC Live Archive
singapore-2001singapore-20012001–2002Asia Pacific?Neighbourhood of a point set—ICPC Live Archive
singapore-2015singapore-20152015–2016Asia PacificAAssociation for Cool Machineries (Part 1) cool1 5012292d-40b0-47d2-afe5-17f2708b1a0c—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificBAssociation for Cool Machineries (Part 2) cool2 ca4c0b2b-5074-4128-a822-5ef9eef62d28—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificCAssociation for Control Over Minds control 7c187efe-f3d0-4805-95eb-cc12ef7b7c5f—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificDAssociation of Computer Maintenance maintenance f287d0b0-e5e6-4785-ad15-c4aa2efafd87—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificEAssociation for Computing Machinery acm2 a25ac5a2-995a-40a2-b1e5-c53bb7af6ab7—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificFAir Conditioned Minions airconditioned 9a0e1a57-75cd-4bd3-b271-543bb8925d5d—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificGAssociation for the Country of Mububa mububa f3f897ff-b15b-4c2e-aea2-aa8735a24049—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificHAssociation for Convex Main Office convex 4e6477ae-71d6-44cd-a0fb-5108464962c6—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificIApples, Cherries, and Mangos applescherriesmangos 25d4a0e3-6807-4420-a138-e891972b2080—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificJAssociation of Cats and Magical Lights magicallights 57310561-1c24-415c-9a4b-9a6c34689a18—Kattis · Kattis
singapore-2015singapore-20152015–2016Asia PacificKAssociation of Camera Makers cameramakers 10da9f48-a1a6-419e-b1e7-5ab134973bd2—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificALargest Triangle largesttriangle cb6cdc0b-2a7e-49fe-9106-a7a9c3ffd545—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificBHoppers hoppers 3e378891-1836-4cc9-a469-9fb8985a4f11—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificCSG Coin sgcoin 98379aba-60d7-47d6-bf33-5d1b526d5eec—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificDBitwise bitwise 1744fe00-2f75-47a1-94d5-3e5500b3f449—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificEMagical String magicalstring 80d6e499-d4e9-42a7-934a-d52ec3834659—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificFWi Know wiknow 40a748b4-39ec-4d2f-ae26-ba4f817f05cf—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificGRectangular City rectangularcity 4bb57d0c-356f-414c-aa9a-e58fac7cd51b—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificHSliding Blocks slidingblocks 1a423030-3d44-4897-9a0e-368903eb2fcb—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificIProlonged Password prolongedpassword 7c654fe7-804a-4e0f-ba8a-fd445afb79c4—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificJFree Food freefood e3406bd7-dfc4-4f6e-a72a-f94e72c27458—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificKConveyor Belts conveyorbelts 5a12a283-7883-43e9-8021-dda7b4d440a1—Kattis · Kattis
singapore-2018singapore-20182018–2019Asia PacificLNon-Prime Factors nonprimefactors decbb93d-0c70-4975-9bdf-e2126613d57b—Kattis · Kattis
socal-1989socal-19891989–1990North AmericaATrip Routing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
socal-1989socal-19891989–1990North AmericaBTransaction Processing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
socal-1989socal-19891989–1990North AmericaCPerfect Hash—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
socal-1989socal-19891989–1990North AmericaDPascal Program Lengths—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
socal-1989socal-19891989–1990North AmericaECircle Through Three Points—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
socal-2000socal-20002000–2001North America?Statistical Process Control (SPC)—ICPC Live Archive
socal-2000socal-20002000–2001North America?Map Corners—ICPC Live Archive
socal-2000socal-20002000–2001North America?Swamp Router—ICPC Live Archive
socal-2000socal-20002000–2001North America?People First—ICPC Live Archive
socal-2000socal-20002000–2001North America?Vote Count—ICPC Live Archive
socal-2000socal-20002000–2001North America?Team Packing—ICPC Live Archive
socal-2002socal-20022002–2003North America?Find Crypt—ICPC Live Archive
socal-2002socal-20022002–2003North America?Personal Video Recorder (PVR) Recording Scheduler—ICPC Live Archive
socal-2002socal-20022002–2003North America?PCM Frame Construction—ICPC Live Archive
socal-2002socal-20022002–2003North America?Skew Binary—ICPC Live Archive
socal-2002socal-20022002–2003North America?Cribbage Pegging—ICPC Live Archive
socal-2002socal-20022002–2003North America?A Compression Scheme for Unicode—ICPC Live Archive
socal-2003socal-20032003–2004North America?Stale Data Removal—ICPC Live Archive
socal-2003socal-20032003–2004North America?Go Scoring (PVR) Recording Scheduler—ICPC Live Archive
socal-2003socal-20032003–2004North America?Refactor—ICPC Live Archive
socal-2003socal-20032003–2004North America?Ballot Sort—ICPC Live Archive
socal-2003socal-20032003–2004North America?Playfair—ICPC Live Archive
socal-2003socal-20032003–2004North America?Turnaround Time Metrics—ICPC Live Archive
socal-2004socal-20042004–2005North America?MER Filenames—ICPC Live Archive
socal-2004socal-20042004–2005North America?Instrument Calibration Effectivity—ICPC Live Archive
socal-2004socal-20042004–2005North America?Temperature Data Compression—ICPC Live Archive
socal-2004socal-20042004–2005North America?Swamptran—ICPC Live Archive
socal-2004socal-20042004–2005North America?Swamp County Vote—ICPC Live Archive
socal-2004socal-20042004–2005North America?Starving Students General Contractor—ICPC Live Archive
socal-2004socal-20042004–2005North America?Escape from Swamp County Park—ICPC Live Archive
socal-2005socal-20052005–2006North America?Grocery Optimization—ICPC Live Archive
socal-2005socal-20052005–2006North America?Credit Card Processing—ICPC Live Archive
socal-2005socal-20052005–2006North America?Power Mean—ICPC Live Archive
socal-2005socal-20052005–2006North America?Mean Median—ICPC Live Archive
socal-2005socal-20052005–2006North America?Distance to Empty—ICPC Live Archive
socal-2005socal-20052005–2006North America?SwampOS Floppy—ICPC Live Archive
socal-2005socal-20052005–2006North America?Triangles—ICPC Live Archive
socal-2005socal-20052005–2006North America?4square—ICPC Live Archive
socal-2006socal-20062006–2007North America?Fly, Rent, or Drive Your Own?—ICPC Live Archive
socal-2006socal-20062006–2007North America?Grade Dropping 101—ICPC Live Archive
socal-2006socal-20062006–2007North America?Booklet Page Order—ICPC Live Archive
socal-2006socal-20062006–2007North America?UniClue—ICPC Live Archive
socal-2006socal-20062006–2007North America?Bad Birthday Present—ICPC Live Archive
socal-2006socal-20062006–2007North America?CMDB—ICPC Live Archive
socal-2006socal-20062006–2007North America?Solar Powered Data Center—ICPC Live Archive
socal-2007socal-20072007–2008North America?Role Prototypes—ICPC Live Archive
socal-2007socal-20072007–2008North America?Document Archives—ICPC Live Archive
socal-2007socal-20072007–2008North America?Class Scheduling Queries—ICPC Live Archive
socal-2007socal-20072007–2008North America?Domain Name Follies—ICPC Live Archive
socal-2007socal-20072007–2008North America?Swamp Trompin'—ICPC Live Archive
socal-2007socal-20072007–2008North America?Pebbles—ICPC Live Archive
socal-2007socal-20072007–2008North America?Rectangular Polygons—ICPC Live Archive
socal-2008socal-20082008–2009North America?Free2Card—ICPC Live Archive
socal-2008socal-20082008–2009North America?Rover Obstacles—ICPC Live Archive
socal-2008socal-20082008–2009North America?Dark Storage Finder—ICPC Live Archive
socal-2008socal-20082008–2009North America?N Questions—ICPC Live Archive
socal-2008socal-20082008–2009North America?Symbolic Logic Mechanization—ICPC Live Archive
socal-2008socal-20082008–2009North America?Painted Calculator—ICPC Live Archive
socal-2008socal-20082008–2009North America?Swamp County Utility Generator—ICPC Live Archive
socal-2008socal-20082008–2009North America?Android Programming Contest—ICPC Live Archive
socal-2009socal-20092009–2010North America?Reverse Engineering Alchemy—ICPC Live Archive
socal-2009socal-20092009–2010North America?Serpentine Belt—ICPC Live Archive
socal-2009socal-20092009–2010North America?Bumper Boat Autopilot—ICPC Live Archive
socal-2009socal-20092009–2010North America?Character Checker—ICPC Live Archive
socal-2009socal-20092009–2010North America?Parlay Wagering—ICPC Live Archive
socal-2009socal-20092009–2010North America?Endless Plains Capital—ICPC Live Archive
socal-2009socal-20092009–2010North America?Disaster Recovery Plans—ICPC Live Archive
socal-2010socal-20102010–2011North America?Atlas Pagination—ICPC Live Archive
socal-2010socal-20102010–2011North America?T-shirt Size Distribution—ICPC Live Archive
socal-2010socal-20102010–2011North America?Manual Cipher—ICPC Live Archive
socal-2010socal-20102010–2011North America?Musical Road—ICPC Live Archive
socal-2010socal-20102010–2011North America?Triangular Redistricting—ICPC Live Archive
socal-2010socal-20102010–2011North America?Module Madness—ICPC Live Archive
socal-2010socal-20102010–2011North America?Zombie Blast!—ICPC Live Archive
socal-2010socal-20102010–2011North America?Resistor Substitution—ICPC Live Archive
socal-2011socal-20112011–2012North America?Change by Mass—ICPC Live Archive
socal-2011socal-20112011–2012North America?Fast Times at Ridgemont’s Planet—ICPC Live Archive
socal-2011socal-20112011–2012North America?Graph Clue—ICPC Live Archive
socal-2011socal-20112011–2012North America?Bond Dutch Auctions—ICPC Live Archive
socal-2011socal-20112011–2012North America?Inverse Triangular Numbers—ICPC Live Archive
socal-2011socal-20112011–2012North America?Pavement Signage—ICPC Live Archive
socal-2011socal-20112011–2012North America?Patch Installer—ICPC Live Archive
socal-2011socal-20112011–2012North America?Mall Map Maze—ICPC Live Archive
socal-2012socal-20122012–2013North America?Cap and Trade—ICPC Live Archive
socal-2012socal-20122012–2013North America?Component Testing—ICPC Live Archive
socal-2012socal-20122012–2013North America?BeepBeep—ICPC Live Archive
socal-2012socal-20122012–2013North America?Fifty Coats of Gray—ICPC Live Archive
socal-2012socal-20122012–2013North America?Shift Differential—ICPC Live Archive
socal-2012socal-20122012–2013North America?The Perks of Planning Ahead—ICPC Live Archive
socal-2012socal-20122012–2013North America?Loadmaster—ICPC Live Archive
socal-2012socal-20122012–2013North America?Hypotenuse Numbers—ICPC Live Archive
socal-2012socal-20122012–2013North America?Destination North America—ICPC Live Archive
socal-2012socal-20122012–2013North America?Work Excess—ICPC Live Archive
socal-2013socal-20132013–2014North America?Epithets Among Enemies—ICPC Live Archive
socal-2013socal-20132013–2014North America?Full Board—ICPC Live Archive
socal-2013socal-20132013–2014North America?CART—ICPC Live Archive
socal-2013socal-20132013–2014North America?Collatz Sequence—ICPC Live Archive
socal-2013socal-20132013–2014North America?BiBytes—ICPC Live Archive
socal-2013socal-20132013–2014North America?Light Switches—ICPC Live Archive
socal-2013socal-20132013–2014North America?Spectrum—ICPC Live Archive
socal-2013socal-20132013–2014North America?First to Solve—ICPC Live Archive
socal-2013socal-20132013–2014North America?Moving Triangles—ICPC Live Archive
socal-2013socal-20132013–2014North America?BigClass—ICPC Live Archive
socal-2014socal-20142014–2015North America?Spreadsheet Shuffle—ICPC Live Archive
socal-2014socal-20142014–2015North America?Karate Hex—ICPC Live Archive
socal-2014socal-20142014–2015North America?Locked Treasure—ICPC Live Archive
socal-2014socal-20142014–2015North America?Rank Order—ICPC Live Archive
socal-2014socal-20142014–2015North America?Speed Trap—ICPC Live Archive
socal-2014socal-20142014–2015North America?Bargain-Hunting Frequent Flyer—ICPC Live Archive
socal-2014socal-20142014–2015North America?Dump TISC—ICPC Live Archive
socal-2014socal-20142014–2015North America?Deep Pockets Soccer—ICPC Live Archive
socal-2014socal-20142014–2015North America?Anagram Pyramids—ICPC Live Archive
socal-2016socal-20162016–2017North America?Dim Weights—ICPC Live Archive
socal-2016socal-20162016–2017North America?Great Thief—ICPC Live Archive
socal-2016socal-20162016–2017North America?What's a Cubit?—ICPC Live Archive
socal-2016socal-20162016–2017North America?Robot Scarecrow—ICPC Live Archive
socal-2016socal-20162016–2017North America?Package Weights—ICPC Live Archive
socal-2016socal-20162016–2017North America?Savage Pokémon—ICPC Live Archive
socal-2016socal-20162016–2017North America?Spectral Composition—ICPC Live Archive
socal-2016socal-20162016–2017North America?Hotel Rewards—ICPC Live Archive
socal-2016socal-20162016–2017North America?Ellipse—ICPC Live Archive
socal-2016socal-20162016–2017North America?Lightweight Calendar App—ICPC Live Archive
socal-2017socal-20172017–2018North America?Latin Squares—ICPC Live Archive
socal-2017socal-20172017–2018North America?Congruent Numbers—ICPC Live Archive
socal-2017socal-20172017–2018North America?Star Arrangements—ICPC Live Archive
socal-2017socal-20172017–2018North America?Halfway—ICPC Live Archive
socal-2017socal-20172017–2018North America?Rainbow Roads—ICPC Live Archive
socal-2017socal-20172017–2018North America?Haiku—ICPC Live Archive
socal-2017socal-20172017–2018North America?Law 11—ICPC Live Archive
socal-2017socal-20172017–2018North America?Juggling for Nerds—ICPC Live Archive
socal-2017socal-20172017–2018North America?Long Long Strings—ICPC Live Archive
socal-2017socal-20172017–2018North America?Matrix Multiplication—ICPC Live Archive
socal-2019socal-20192019–2020North America?ReMorse remorse 8988766e-ee98-46ac-a400-1258dd6df499—Kattis
socal-2021socal-20212021–2022North America?Exoplanet Lighthouse exoplanetlighthouse 12d6eb25-df4d-4936-8d92-f8c138ddb9fe—Kattis
south-africa-2000south-africa-20002000–2001Africa & Arab?Wrap it up—ICPC Live Archive
south-africa-2000south-africa-20002000–2001Africa & Arab?Compiler code generation—ICPC Live Archive
south-africa-2000south-africa-20002000–2001Africa & Arab?Crosswords—ICPC Live Archive
south-africa-2000south-africa-20002000–2001Africa & Arab?Genetic family tree—ICPC Live Archive
south-africa-2000south-africa-20002000–2001Africa & Arab?Fire trucks—ICPC Live Archive
south-africa-2000south-africa-20002000–2001Africa & Arab?Message decoding—ICPC Live Archive
south-africa-2001south-africa-20012001–2002Africa & Arab1Stockbroker Grapevine—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-africa-2001south-africa-20012001–2002Africa & Arab2Frame Stacking—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-africa-2001south-africa-20012001–2002Africa & Arab3Channel Allocation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-africa-2001south-africa-20012001–2002Africa & Arab4Alien Security—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-africa-2001south-africa-20012001–2002Africa & Arab5Octal Fractions—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-africa-2001south-africa-20012001–2002Africa & Arab?Cracking the Code—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Radix 3—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Fitting Squares in Pentagons—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Trampolines—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Mirrors—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Word Sums—ICPC Live Archive
south-africa-2002south-africa-20022002–2003Africa & Arab?Counting Words—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?Cannon Fodder—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?Power distribution—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?Fibonacci codes—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?FSK Demodulation—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?No-key Encryption—ICPC Live Archive
south-africa-2003south-africa-20032003–2004Africa & Arab?The Answer—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?Supercluster—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?Book Shelf—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?Wisdom—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?The Cable Guy—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?Powers—ICPC Live Archive
south-africa-2004south-africa-20042004–2005Africa & Arab?Rendering Fractal Images—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Prime concern—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Board game—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Compactor—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Feeling lucky—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Snake pit—ICPC Live Archive
south-africa-2005south-africa-20052005–2006Africa & Arab?Word sums—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Perfect Square—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Peasant—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Sudoku—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Not quite ALE—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Delay—ICPC Live Archive
south-africa-2006south-africa-20062006–2007Africa & Arab?Number Games—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Mirrored palindromes—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Cut me loose—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Supply drop—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Eclipse—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Anagrams—ICPC Live Archive
south-africa-2007south-africa-20072007–2008Africa & Arab?Rabbit detector—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?Bad Barcodes—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?Fibonacci Triangles—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?Fragments—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?Resistor—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?Army Engineer—ICPC Live Archive
south-africa-2008south-africa-20082008–2009Africa & Arab?!Pretty Printing—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?Go—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?Scoreboard—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?Sophie—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?Silly Sums—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?!Overflow—ICPC Live Archive
south-africa-2009south-africa-20092009–2010Africa & Arab?The Heist—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?How many?—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Cloud chamber—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Suspension bridge—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Next, please!—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Bandwidth allocation—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Survivor—ICPC Live Archive
south-africa-2010south-africa-20102010–2011Africa & Arab?Up and down—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Lightning—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Wormholes—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Parallelogram counting—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Prime factors—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Basis vectors—ICPC Live Archive
south-africa-2011south-africa-20112011–2012Africa & Arab?Base increment—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Werewolves—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Series—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Unchained reaction—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Noughts & Crosses—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Roundabouts—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Groovy numbers—ICPC Live Archive
south-africa-2012south-africa-20122012–2013Africa & Arab?Evolve—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Isle of the birds—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Street Lights—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Fitness Training—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Matchstick Maths—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Similarity—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Railways—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Necklace—ICPC Live Archive
south-africa-2013south-africa-20132013–2014Africa & Arab?Student IDs—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Amusement Park—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Lucky Digit—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Your move!—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Floor Tiles—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Median—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Gopher trouble—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Angles—ICPC Live Archive
south-africa-2014south-africa-20142014–2015Africa & Arab?Circular reasoning—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Find x—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Axles—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Tall orders—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Bouncy bounce—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Trampolines—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Getting your priorities straight—ICPC Live Archive
south-africa-2015south-africa-20152015–2016Africa & Arab?Pay Day—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Rice coding—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Scrunched—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Keeping your balance—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Folding Paper—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Powers—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Generic-mint-toe—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Talk in numbers—ICPC Live Archive
south-africa-2016south-africa-20162016–2017Africa & Arab?Juggling Jugs—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Alphabetics—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Ancient Collider—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Equations—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Knots of Fun—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Long Division—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Pizza—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Polygons to Circles—ICPC Live Archive
south-africa-2017south-africa-20172017–2018Africa & Arab?Road Trip—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?The JustaPox Language—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?Driving in City Squares—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?Hamiltonian Cycle—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?Monkeys in a Regular Forest—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?Codebreakers—ICPC Live Archive
south-america-1997south-america-19971997–1998Latin America?Recording a tape—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Burrows Wheeler Decoder—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Domino Game—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?The MTM Machine—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Triangular Museum—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Numeric Puzzles Again!—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Polygon Visibility—ICPC Live Archive
south-america-1999south-america-19991999–2000Latin America?Grid Soccer—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?S-Trees—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?Led Codes—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?Cable Network—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?Bomb the bridge—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?Move the Water—ICPC Live Archive
south-america-2000south-america-20002000–2001Latin America?Faking Mondrian—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Gene Assembly—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Genetic Combinations—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Palindrom Numbers—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Robotic Jigsaw—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Direct Subtraction—ICPC Live Archive
south-america-2001south-america-20012001–2002Latin America?Points Within—ICPC Live Archive
south-america-2007south-america-20072007–2008Latin AmericaAAmbiguous Codes 0536ccde-fcf3-4a0d-ba04-a483312564bb—
south-america-2007south-america-20072007–2008Latin AmericaBBallroom Lights f2da31b1-2042-4e1b-9846-0bb9b9cd93ad—
south-america-2007south-america-20072007–2008Latin AmericaCCar Plates Competition 4c21bc27-7929-46ac-9de3-1315eb5f9d97—
south-america-2007south-america-20072007–2008Latin AmericaDDrop the Triples ecb9fe55-4ea4-4212-897a-c8bc4a7cf130—
south-america-2007south-america-20072007–2008Latin AmericaEEmoticons 91d88879-a1ad-41b1-854d-f681642515ba—
south-america-2007south-america-20072007–2008Latin AmericaFFinding Seats 6b714b82-a552-41e2-b41d-b628c96ee092—
south-america-2007south-america-20072007–2008Latin AmericaGGalou is Back! a8e22aac-b35d-4c0d-be72-b19027b7eaa7—
south-america-2007south-america-20072007–2008Latin AmericaHHe is offside! 2cdd5b38-7a0d-429d-86e1-5efdf3e34cea—
south-america-2007south-america-20072007–2008Latin AmericaIICPC scoreboard 4e042c6b-7396-49b7-bbaf-597b1761acb9—
south-america-north-2008south-america-north-20082008–2009Latin AmericaEElectricity—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2008south-america-north-20082008–2009Latin AmericaGPole Position—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2008south-america-north-20082008–2009Latin AmericaHHiggs Boson—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2008south-america-north-20082008–2009Latin AmericaITraveling Shoemaker Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2008south-america-north-20082008–2009Latin AmericaJBora Bora—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaAAnother Crisis—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaBBrothers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaCCode Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaDDinner Hall—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaFFile Recover—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaGGrapevine—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaHHooligan—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaIIsosceles Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaJJingle Composing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2009south-america-north-20092009–2010Latin AmericaKKlingon Levels—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaAAnts Colony—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaBBingo!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaEElectric Needs—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaFTautogram—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaHHyperactive Girl—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaIIngenious Metro—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaJJollo—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2010south-america-north-20102010–2011Latin AmericaKKids’ Wishes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaAArmy buddies—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaCCandy’s Candy—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaDDiccionário Portuñol—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaEElectrical Pollution—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaGGarden Fence—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaHHedge Mazes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaIIn Braille—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaJJupiter Attacks!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2011south-america-north-20112011–2012Latin AmericaKKing’s Poker—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaAArranging Heaps—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaBBoxes and Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaCCellphone Typing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaEEnvironment Protection—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaFFix the Pond—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaGGame of Tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2012south-america-north-20122012–2013Latin AmericaJJoining Couples—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaBBlogger language—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaDDisjoint water supply—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaFFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaGGo up the Ultras—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaHHide and seek—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaIInverting Huffman—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2013south-america-north-20132013–2014Latin AmericaJJoin two kingdoms—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaAAt most twice—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaBBlood groups—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaCCake cut—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaDD as in Daedalus—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaEExposing corruption—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaFFence the vegetables fail—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaGGalactic taxes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaHHeight map—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaIIdentifying tea—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaJJust a bit sorted—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaKKeep it energized—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2015south-america-north-20152015–2016Latin AmericaPCompetition—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaBBack to the Future—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaCCounting Self-Rotating Subsets—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaDDating On-Line—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaEEmission Spectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaFFarm robot—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaGGame of Matchings—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaHHotel Rewards—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaIInternet Trouble—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaJJust in Time—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2016south-america-north-20162016–2017Latin AmericaKKill the Werewolf—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaAArranging tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaBBuggy ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaCComplete Naebbirac’s sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaDDaunting device—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaEEnigma—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaFFundraising—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaGGates of uncertainty—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaHHard choice—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaIImperial roads—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaJJumping Frog—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaKKeep it covered—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaLLinearville—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2017south-america-north-20172017–2018Latin AmericaMMarblecoin—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaAA Symmetrical Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaBBuilding a Field—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaCCheap Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaDDatabase of Clients—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaEEscape, Polygon!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaFFantastic Beasts—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaGGathering Red-Black Fruits—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaHHighway Decommission—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaIInk Colors—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaJJeopardized Election—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaKKryptoLocker Ate my Homework—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaLLooking for the Risk Factor—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2018south-america-north-20182018–2019Latin AmericaMMount Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaAAlgorithm Teaching—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaBBuild the Perfect House—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaCCut Inequality Down—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaDDazzling Stars—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaEEggfruit Cake—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaFFabricating Sculptures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaGGluing Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaHHold or Continue?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaIImprove SPAM—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaJJumping Grasshopper—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaKKnow your Aliens—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaLLeverage MDT—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2019south-america-north-20192019–2020Latin AmericaMMountain Ranges—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2020south-america-north-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2021south-america-north-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2021south-america-north-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2021south-america-north-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2021south-america-north-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-north-2022south-america-north-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2022south-america-north-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-north-2025south-america-north-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2008south-america-south-20082008–2009Latin AmericaEElectricity—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2008south-america-south-20082008–2009Latin AmericaGPole Position—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2008south-america-south-20082008–2009Latin AmericaHHiggs Boson—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2008south-america-south-20082008–2009Latin AmericaITraveling Shoemaker Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2008south-america-south-20082008–2009Latin AmericaJBora Bora—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaAAnother Crisis—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaBBrothers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaCCode Lock—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaDDinner Hall—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaFFile Recover—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaGGrapevine—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaHHooligan—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaIIsosceles Triangles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaJJingle Composing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2009south-america-south-20092009–2010Latin AmericaKKlingon Levels—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaAAnts Colony—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaBBingo!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaEElectric Needs—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaFTautogram—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaHHyperactive Girl—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaIIngenious Metro—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaJJollo—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2010south-america-south-20102010–2011Latin AmericaKKids’ Wishes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaAArmy buddies—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaCCandy’s Candy—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaDDiccionário Portuñol—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaEElectrical Pollution—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaGGarden Fence—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaHHedge Mazes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaIIn Braille—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaJJupiter Attacks!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2011south-america-south-20112011–2012Latin AmericaKKing’s Poker—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaAArranging Heaps—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaBBoxes and Stones—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaCCellphone Typing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaEEnvironment Protection—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaFFix the Pond—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaGGame of Tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2012south-america-south-20122012–2013Latin AmericaJJoining Couples—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaBBlogger language—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaDDisjoint water supply—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaFFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaGGo up the Ultras—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaHHide and seek—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaIInverting Huffman—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2013south-america-south-20132013–2014Latin AmericaJJoin two kingdoms—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaAAt most twice—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaBBlood groups—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaCCake cut—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaDD as in Daedalus—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaEExposing corruption—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaFFence the vegetables fail—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaGGalactic taxes—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaHHeight map—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaIIdentifying tea—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaJJust a bit sorted—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaKKeep it energized—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2015south-america-south-20152015–2016Latin AmericaPCompetition—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaBBack to the Future—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaCCounting Self-Rotating Subsets—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaDDating On-Line—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaEEmission Spectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaFFarm robot—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaGGame of Matchings—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaHHotel Rewards—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaIInternet Trouble—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaJJust in Time—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2016south-america-south-20162016–2017Latin AmericaKKill the Werewolf—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaAArranging tiles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaBBuggy ICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaCComplete Naebbirac’s sequence—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaDDaunting device—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaEEnigma—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaFFundraising—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaGGates of uncertainty—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaHHard choice—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaIImperial roads—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaJJumping Frog—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaKKeep it covered—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaLLinearville—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2017south-america-south-20172017–2018Latin AmericaMMarblecoin—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaAA Symmetrical Pizza—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaBBuilding a Field—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaCCheap Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaDDatabase of Clients—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaEEscape, Polygon!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaFFantastic Beasts—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaGGathering Red-Black Fruits—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaHHighway Decommission—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaIInk Colors—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaJJeopardized Election—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaKKryptoLocker Ate my Homework—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaLLooking for the Risk Factor—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2018south-america-south-20182018–2019Latin AmericaMMount Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaAAlgorithm Teaching—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaBBuild the Perfect House—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaCCut Inequality Down—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaDDazzling Stars—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaEEggfruit Cake—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaFFabricating Sculptures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaGGluing Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaHHold or Continue?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaIImprove SPAM—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaJJumping Grasshopper—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaKKnow your Aliens—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaLLeverage MDT—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2019south-america-south-20192019–2020Latin AmericaMMountain Ranges—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaAAlmost Origami—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaBBeautiful Mountains—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaCCrisis at the Wedding—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaDDividing Candy—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaEExcellent Views—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaFFascinating Partitions—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaGGame of Slots—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaHHalting Wolf—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaIImpenetrable Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaJJob Allocator—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaKKeylogger—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaLLola’s Schedule—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaMMay I Add a Letter?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2020south-america-south-20202020–2021Latin AmericaNNon-Integer Donuts—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2021south-america-south-20212021–2022Latin AmericaAAncient Towers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2021south-america-south-20212021–2022Latin AmericaBBecause, Art!—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaCCyclists versus Clouds—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaDDaily Turnovers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2021south-america-south-20212021–2022Latin AmericaEExpedition Plans—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaFFields Division—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaGGenerator Tree—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaHHamilton - The Musical—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaIInvested Money—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaJJoining Pairs—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaKKIARA is a Recursive Acronym—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaLLeaving Yharnam—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2021south-america-south-20212021–2022Latin AmericaMMost Ordered Way—Baekjoon Online Judge (wayback) closed 2026-04-28 · omegaUp
south-america-south-2022south-america-south-20222022–2023Latin AmericaAAsking for Money—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaBBoard Game—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaCCity Folding—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaDDaily Trips—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaEEmpty Squares—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaFFavorite Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaGGravitational Wave Detector—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaHHorse Race—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaIItalian Calzone & Pasta Corner—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaJJoining a Marathon—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaKKind Baker—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaLLazy Printing—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2022south-america-south-20222022–2023Latin AmericaMMaze in Bolt—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaAApple Pie—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaBBalanced Balloons—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaCClean Streets—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaDDisplaying Decimals—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaEEmergency Rations—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaFFuzzy Factorization—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaGGridoland Power Gauge—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaHHarder Horizons—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaIInfiltration Route—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaJJudgmental Crowd—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaKKings Conquest—Baekjoon Online Judge (wayback) closed 2026-04-28
south-america-south-2025south-america-south-20252025–2026Latin AmericaLLonely Creatures—Baekjoon Online Judge (wayback) closed 2026-04-28
south-na-2022south-na-20222022–2023North AmericaAFading Wind fadingwind—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaBCreative Accounting creativeaccounting—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaCChocolate Chip Fabrication chocolatechipfabrication—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaDCounting Satellites countingsatellites—Kattis
south-na-2022south-na-20222022–2023North AmericaEExponent Exchange exponentexchange—Kattis
south-na-2022south-na-20222022–2023North AmericaFFamily Visits familyvisits—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaGEroding Pillars erodingpillars—Kattis
south-na-2022south-na-20222022–2023North AmericaHTriangle Containment trianglecontainment—Kattis
south-na-2022south-na-20222022–2023North AmericaIColor Tubes colortubes—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaJThree Dice threedice—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaKLone Knight loneknight—Kattis
south-na-2022south-na-20222022–2023North AmericaLBranch Manager branchmanager—Kattis · Kattis
south-na-2022south-na-20222022–2023North AmericaMAlchemy alchemy2—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaAABC String abcstring—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaBBalanced Tree Path balancedtreepath—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaCCramming for Finals crammingforfinals—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaDOrdered Problem Set orderedproblemset—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaEEccentric Excursion eccentricexcursion—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaFMatrix Fraud matrixfraud—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaGOn-Call Team oncallteam—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaHRange Editing rangeediting—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaIItem Selection itemselection—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaJSequence Guessing sequenceguessing—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaKStreets Behind streetsbehind—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaLSegment Drawing segmentdrawing—Kattis · Kattis
south-na-2023south-na-20232023–2024North AmericaMChampernowne Verification champernowneverification—Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaAWelcome Sign welcomesign 1c562a7e-681a-4f59-a5ca-1ddb3ebf5edd—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaBTriangles of a Square trianglesofasquare c82ff559-0558-4e87-b67f-4ac1542c6d68—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaCCity Bike citybike a914456e-36e1-4105-b2e1-1fc2eea5e526—Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaDDuel of Cards duelofcards e640b6ec-914f-4cce-975e-93a5af4612d6—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaEElevated Rails elevatedrails d3daedb8-3fd6-41ea-a998-b94c052a20d7—Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaFFinding Keys findingkeys 9ac4ab1e-94be-42c6-8afd-e9a814ce493e—Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaGIntergalactic Team intergalacticteam d2206389-5a5d-4ee1-9bf5-e6f625b27e74—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaHHerb Mixing herbmixing 5e6d5156-b9d1-4441-af0b-a465a1a6db0f—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaIIsland Memories islandmemories 2d2c91a7-29dd-4291-a7d9-59cc0f7ca559—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaJPerfect Squares perfectsquares e1a5f015-2620-4186-9a80-0a5002330879—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaKOptimized Cheating optimizedcheating 36b1f9b6-7c5a-42c2-8e0d-71228de7d769—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaLPianissimo pianissimo ec2b1589-eb9e-433a-9c80-c6a2cd48e555—Kattis · Kattis · Kattis
south-na-2024south-na-20242024–2025North AmericaMVirtual Reality Playspace vrplayspace 878753f2-8fec-42ef-89ab-1fe7203a36a3—Kattis · Kattis
south-na-2024south-na-20242024–2025North America?Memories of Passport Stamps memoriesofpassportstamps 04efbbc7-283c-4ac3-af7e-9ae1bf0bfa7b—Kattis · Kattis
south-na-2024south-na-20242024–2025North America?Office Building officebuilding 662bb816-fee9-4a35-b007-592ea023b09e—Kattis · Kattis
south-na-2024south-na-20242024–2025North America?Traffic Lights trafficlights e332efb3-2032-4a2c-95c6-0f7879034a8e—Kattis · Kattis
south-na-2024south-na-20242024–2025North America?Which One is Larger whichoneislarger 18b693f1-3d75-4ade-b8d8-e57d6aaa212c—Kattis · Kattis
south-na-2025south-na-20252025–2026North America?Blind Bottles blindbottles f3f0c1d9-2e56-4f4c-bb52-2d2469fe7c68—Kattis
south-na-2025south-na-20252025–2026North America?Breakout breakout2 1c6a43b3-94b1-4b3a-8c65-32a6a35b9f84—Kattis
south-na-2025south-na-20252025–2026North America?Galaxy Governance galaxygovernance a1d5e0c2-9b4f-4f3a-bc27-5d1e9a0f3c2d—Kattis
south-na-2025south-na-20252025–2026North America?Game of Nines gameofnines 6e94b2f1-2c3d-4a5e-8f0b-1c2d3e4f5a6b—Kattis
south-na-2025south-na-20252025–2026North America?GUID Generator guidgenerator 2959c490-c655-489a-a247-364a73aeec0b—Kattis
south-na-2025south-na-20252025–2026North America?Inazuma Cube Device inazumacubedevice 3f7c2a4e-9b51-4d78-8a2b-1c3d5e7f9a0b—Kattis
south-na-2025south-na-20252025–2026North America?Manhattan Interference manhattaninterference 8e2d1c3b-4a5f-4c6d-8b9a-0f1e2d3c4b5a—Kattis
south-na-2025south-na-20252025–2026North America?Meeting Free Fridays meetingfreefridays f0e1d2c3-b4a5-4f6e-8d9c-0a1b2c3d4e5f—Kattis
south-na-2025south-na-20252025–2026North America?Memories of Passport Control memoriesofpassportcontrol 12ab34cd-56ef-4789-8abc-def012345678—Kattis
south-na-2025south-na-20252025–2026North America?Moonlit Time Machine moonlittimemachine 9a8b7c6d-5e4f-4a3b-9c8d-7e6f5a4b3c2d—Kattis
south-na-2025south-na-20252025–2026North America?Much Room for Mushrooms muchroomformushrooms 7d3a1f2c-9b6e-4a5d-94c2-5e1f8a3b7d60—Kattis
south-na-2025south-na-20252025–2026North America?One Way Only onewayonly 12e9c4b7-a5d3-4e8c-b0f1-7c3a9d5e2f68—Kattis
south-na-2025south-na-20252025–2026North America?Orchard Fence orchardfence f0a6b2c9-3e5d-4b1f-8a7c-9d2e4c6b1f53—Kattis
south-na-2025south-na-20252025–2026North America?Photo Encoding photoencoding 39646edd-8151-41ad-9ba9-7dd187bca5a4—Kattis
south-na-2025south-na-20252025–2026North America?Rows of Stars rowsofstars c8f2d3a7-1e5b-4c9d-9a80-7b6c5d4e3f2a—Kattis
south-na-2025south-na-20252025–2026North America?Shinjuku Station shinjukustation 58c3e7ad-1b4f-4d90-8f2a-6c1e3b5a7d92—Kattis
south-na-2025south-na-20252025–2026North America?Snakey String snakeystring 9b0e5c13-f247-4c8a-a1d2-0c7e5b9a3f64—Kattis
south-na-2025south-na-20252025–2026North America?Swap for Palindrome swapforpalindrome b15ea7da-b690-41bb-871b-f382f14f06cf—Kattis
south-na-2025south-na-20252025–2026North America?Tree Racing treeracing 5c7e2a31-9f84-4b7a-8c1d-2f3a6e7b9c0d—Kattis
south-pacific-1991south-pacific-19911991–1992Asia PacificAString Computer—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificBStamps—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificCMaking Change—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificDThe Sultan's Successors—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificETheseus and the Minotaur—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificFXenosemantics—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificGClock Patience—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1991south-pacific-19911991–1992Asia PacificHCar Trialling—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificACalculator Language—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificBNetwork Wars—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificDStrategy f00c725d-cecc-4c65-95d0-ef2c4cf3a02c—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificEKeywords—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificFCity Navigation—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificGPaper Folding—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1992south-pacific-19921992–1993Asia PacificHShuffling Patience—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificACode Breaking—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificBEeny Meeny—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificCHearts—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificDBonus Bonds—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificEBit Maps—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificFLaser Lines—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-1993south-pacific-19931993–1994Asia PacificGRoman Numerals—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Most wanted word—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Tag Checker—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Bouncy Balls—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Best Image Layout—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Swiss Draw—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Calypso—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Four in a Line—ICPC Live Archive
south-pacific-2000south-pacific-20002000–2001Asia Pacific?Discrete Digital Tomography—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Prime Digital Roots—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Desert Bitmap—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Normalized Histogram—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Encryption Scheme—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?James Bond—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Basalt Buckets—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Take 5—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Maximum Subsequence—ICPC Live Archive
south-pacific-2001south-pacific-20012001–2002Asia Pacific?Kth Smallest—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?House Numbering—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Book Pages—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Vowels Frequencies—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Company Parties—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Lollies—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Maze Madness—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Spreading Gossip—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Clock Synchronisation—ICPC Live Archive
south-pacific-2002south-pacific-20022002–2003Asia Pacific?Polygonal Lines—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Wacmian Numbers—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?CD Titles—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Caesar Cipher—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Water Tanks—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Spots—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Mobile Phones—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Colour Grids—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Postal Vans—ICPC Live Archive
south-pacific-2003south-pacific-20032003–2004Asia Pacific?Tricky Trees—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia PacificFTrees—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Jelly—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Change—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Necklaces—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Graphics—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Shopping—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Monks—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Squares—ICPC Live Archive
south-pacific-2004south-pacific-20042004–2005Asia Pacific?Colours—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Dice—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Abbreviations—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Contest—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Orchards—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Paths—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Rankings—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Sudoku—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Robots—ICPC Live Archive
south-pacific-2005south-pacific-20052005–2006Asia Pacific?Polycubes—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?PC^3—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Birds of a feather should not play together—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Simple Encryption—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Safe Packing—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?The Flat Cupboard—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Wiring Assistant—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Word Find—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Software Dispatcher—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?Video Watcher—ICPC Live Archive
south-pacific-2006south-pacific-20062006–2007Asia Pacific?The Prank—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Text Formatting—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Rating Points Exchange—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Self-divisible Numbers—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Challenging "Butts"—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?A Fitting Advertisement!—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?The Zits Code—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?DNA Chopper—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Automatic Marking—ICPC Live Archive
south-pacific-2007south-pacific-20072007–2008Asia Pacific?Mr. Thompson's Problem—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Being Late—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Money Lesson—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Explorer's Diary—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Pattern Finder—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Takeshi Castle—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Balanced Races—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Smoker's Walk—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?P2P Currency Service—ICPC Live Archive
south-pacific-2008south-pacific-20082008–2009Asia Pacific?Currency Shopping—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Contest Postmortem—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?and the winner is!—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Compact Triangulation—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Blue Moon—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Rewards for Math!—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Easy does it!—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Trip Verification—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?Mentoring Assignment—ICPC Live Archive
south-pacific-2009south-pacific-20092009–2010Asia Pacific?May the Right-Force be with you—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Sudoku Checker—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Time to Balance—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Golfing with the Stars—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Farmland Redistribution—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Cheap Tours—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Mt Convenient—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?Drink Orders—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?to Sir, with Love—ICPC Live Archive
south-pacific-2010south-pacific-20102010–2011Asia Pacific?eDoor—ICPC Live Archive
south-pacific-2011south-pacific-20112011–2012Asia PacificAClass Statistics—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificBAvoiding a disaster—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificCRoll-call in Woop Woop High—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificDDifficult Routes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificERealPhobia—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificFInsidious Branding—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificGHelp-or-else—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificHPahom on Water—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificIDetour Buster—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificJOil Skimming—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2011south-pacific-20112011–2012Asia PacificKNumbers Game—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificBLog Books—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificCMyth Busters—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificDCrossnumber—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificFMonkey Business—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificGFridge Lock—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificHFat Ninjas—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificIClass Packing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificJEsspe-Peasee—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia PacificKSlithering Serpent—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2012south-pacific-20122012–2013Asia Pacific?Making Decisions—ICPC Live Archive
south-pacific-2012south-pacific-20122012–2013Asia Pacific?Movers Problem—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?SecurePINs—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?The Large Family—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Start-up Network—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Clock Splitter—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Neocortex order—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Some Pretty Peculiar Cells—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Mealy's Memoirs—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Ninja Pizza—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Count the Squares—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Yet Another Newspaper Puzzle—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Encyclopaedia—ICPC Live Archive
south-pacific-2013south-pacific-20132013–2014Asia Pacific?Solar Powered Ants—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Triangles—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Least Common Multiple—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Step by Step—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Biker—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?AFL Grand Final—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Going Postal—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Gridstown Trip Planner—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Superstitious Socks—ICPC Live Archive
south-pacific-2014south-pacific-20142014–2015Asia Pacific?Chaos Management—ICPC Live Archive
south-pacific-2015south-pacific-20152015–2016Asia PacificAAppropriate Coordinate Map—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificBBanking II—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificCCalculating Taxes—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificDDropped Water Bottle—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificEEarl's Extremely Efficient Encryption—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificFFlipping Switches—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificGGame Moves—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificHHiking—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificIIndividually Customised Pop-up Cards—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificJJumping Impala—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2015south-pacific-20152015–2016Asia PacificKKrypton Stadiums—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificAAnticlockwise Motion—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificBBalloon Warehouse—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificCCrazy Rotations—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificDDendroctonus—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificEElection Frenzy—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificFFalse Intelligence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificGGraphics Design—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificHHilbert's Hash Browns—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificIIntuidiff II—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificJJust Terraffic!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2016south-pacific-20162016–2017Asia PacificKKiwis vs Kangaroos—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificAAndrew's Amazing Architecture—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificBBanner—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificCCatan's Longest Road—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificDDrawn and Quartered—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificEExtending Rock-Paper-Scissors—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificFFair Share—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificGGrievous Loss of Data—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificHHiding Merlin—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificIInjecting DNA—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificJJudge's Mistake—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificKKiwis vs Kangaroos II—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2017south-pacific-20172017–2018Asia PacificLLast Casino—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificAAligned Typesetting—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificBBad Keming—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificCCollecting Stars—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificDDropping Blocks—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificEExplosive Wiring—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificFFar, Far Away—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificGGood Cable Management—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificHHazardous Driving—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificIInteresting World of Arrays—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificJJudging Divisionals—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificKKnights and Dragons—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2018south-pacific-20182018–2019Asia PacificLLaps—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificAAmazing Sushi—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificBBubble Bucket Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificCCartography—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificDDivisionals Spelling—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificEEntering Rectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificFFabulous Photos—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificGGrid City—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificHHeroic Heist—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificIIguana Instructions—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificJJumping Junipers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-2019south-pacific-20192019–2020Asia PacificKKaraoke Meetup—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificASelling Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificBAlmost an Anagram—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificCWho Do You Think You Are?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificDBanking—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificEResistance Is (Not) Futile!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificHShelob’s Lair—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificIDiana and the Golden Apples—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificJPainting Floors—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-central-2015south-pacific-central-20152015–2016Asia PacificKFolding Code—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificAFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificBTalking Money—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificDResistance Is (Not) Futile!—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificFAlmost an Anagram—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificGWho Do You Think You Are?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificHBanking—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificIShelob’s Lair—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificJPainting Floors—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-east-2015south-pacific-east-20152015–2016Asia PacificKSelling Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificAShelob’s Lair—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificBFootball—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificCFolding Code—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificDPainting Floors—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificEWho Do You Think You Are?—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificFTalking Money—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificGSelling Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificHBanking—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificIDiana and the Golden Apples—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificJAlmost an Anagram—Baekjoon Online Judge (wayback) closed 2026-04-28
south-pacific-west-2015south-pacific-west-20152015–2016Asia PacificKRings of Saturn—Baekjoon Online Judge (wayback) closed 2026-04-28
sweden-2000sweden-20002000–2001Europe?Board Wrapping wrapping b3263b65-adf0-4931-b8ce-281f4302e5ee—Kattis
sweden-2000sweden-20002000–2001Europe?Circular Lock circularlock 8f5b7085-2819-413f-bfb9-c19b0ea3a452—Kattis
sweden-2000sweden-20002000–2001Europe?Manhattan manhattan 49c8b497-7107-4876-8fc8-a52a41574130—Kattis
sweden-2000sweden-20002000–2001Europe?Mountain Village mountainvillage 131166c7-a2b2-4a77-a00d-57423428ba8a—Kattis
sweden-2000sweden-20002000–2001Europe?Mushroom Misery mushroommisery 3df06b84-9648-4ee9-bd9a-040b2c836378—Kattis
sweden-2000sweden-20002000–2001Europe?Pebble Solitaire pebblesolitaire d88c0a7c-97b8-4cef-a0f3-3e12f4b1b070—Kattis
sweden-2000sweden-20002000–2001Europe?String Factoring stringfactoring 2c9b6546-ed2c-473d-902e-a5d0fd0310a6—Kattis
sweden-2001sweden-20012001–2002Europe?Antenna Placement antennaplacement 2570cd7e-e292-416a-b86f-3ef6a69d6eca—Kattis
sweden-2001sweden-20012001–2002Europe?e-Coins ecoins 1594b742-cde8-4f7a-a33e-7f5d05bb04d2—Kattis
sweden-2001sweden-20012001–2002Europe?Killing Aliens in a Borg Maze borg d96f4fe6-429b-4d50-bf2d-5632cde1add3—Kattis
sweden-2001sweden-20012001–2002Europe?Rings rings 74024875-b55e-48a9-9132-f88b938af762—Kattis
sweden-2001sweden-20012001–2002Europe?Submarines submarines fa02d3ff-5a64-46de-8757-1193efcbdb29—Kattis
sweden-2001sweden-20012001–2002Europe?The Uxuhul Voting System uxuhulvoting 2711b701-9450-4bef-a608-a8266dfd2523—Kattis
swerc-1993swerc-19931993–1994Europe?Chess—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Spin—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Vertex—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Rubik's Cube—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Rename—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Compress—ICPC Live Archive
swerc-1993swerc-19931993–1994Europe?Logic—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Presentation Error—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Bits—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Divisors—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Fatman—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Safebreaker—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Quadtrees—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Race Tracks—ICPC Live Archive
swerc-1994swerc-19941994–1995Europe?Train Swapping—ICPC Live Archive
swerc-1995swerc-19951995–1996EuropeBSynchronous Design—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1995swerc-19951995–1996EuropeCGraph Coloring—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1995swerc-19951995–1996EuropeDTriangle—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1995swerc-19951995–1996EuropeHPeter's Calculator bd9ee292-09b5-4a4c-9792-a697a8a48253—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1995swerc-19951995–1996Europe?Intersection 3292a6c6-98da-45be-8023-3cc32ca6a7c4—ICPC Live Archive
swerc-1995swerc-19951995–1996Europe?Anagram—ICPC Live Archive
swerc-1995swerc-19951995–1996Europe?Spreadsheet—ICPC Live Archive
swerc-1995swerc-19951995–1996Europe?Cube—ICPC Live Archive
swerc-1995swerc-19951995–1996Europe?Partial differential equations—ICPC Live Archive
swerc-1996swerc-19961996–1997EuropeAStars—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997EuropeBHexagon—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997EuropeCDomino Effect—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997EuropeDPendulum—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997EuropeEBorder 937095dc-bfd3-4eec-b41a-15414109e9df—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997EuropeGShips—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1996swerc-19961996–1997Europe?The New Villa—ICPC Live Archive
swerc-1996swerc-19961996–1997Europe?Jury Compromise—ICPC Live Archive
swerc-1997swerc-19971997–1998EuropeATriangles—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeBInstant Complexity b5cd53b5-57ff-4b41-a338-6b27523f472c—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeCThere's treasure everywhere!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeDVideo Surveillance—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeEPushing Boxes 62c93045-086f-432a-8533-5158590b7b9c—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeFAlways on the run—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeGBox of Bricks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeHIsland of Logic—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1997swerc-19971997–1998EuropeIMBone—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeAOptimal Programs bba2c48f-82d9-4da0-987c-4ce872b01dc1—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeBThe Die Is Cast 6898f64d-62a1-4609-b780-c2fdc2a5ef86—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeCIt's not a Bug, it's a Feature!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeDReflections—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeEGoing in circles on Alpha Centauri—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeFBlowing Fuses—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeGFast Food—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeHSorting Slides—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1998swerc-19981998–1999EuropeISingle-player Games 4ad7de18-4a68-4fc3-a9e3-cbbaabd0fdaa—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-1999swerc-19991999–2000Europe?Color Hash b87195d4-bef6-4092-a114-357702dce55e—
swerc-2000swerc-20002000–2001Europe?Railroads—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Ouroboros Snake—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Vito's Family—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Smith Numbers—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Chainsaw Massacre—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Erdos Numbers—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Echo—ICPC Live Archive
swerc-2000swerc-20002000–2001Europe?Fold-up Patterns—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Mice and Maze f764aec9-e03b-4f7c-ab37-e254022bc375—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Multiple Morse Matches—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Maya Calendar—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Water Shortage—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Puzzle—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Reliable Programs—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Binary Stirling Numbers—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?Project File Dependencies—ICPC Live Archive
swerc-2001swerc-20012001–2002Europe?No Change—ICPC Live Archive
swerc-2002swerc-20022002–2003EuropeASolitaire—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeBLeft Labyrinths—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeCCrazy Search—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeDIntervals—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeEFamily—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeFTimetable—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeGWord Puzzles—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeHWater Treatment Plants—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2002swerc-20022002–2003EuropeIServers—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2003swerc-20032003–2004Europe?Men at work—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Square dance—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Football—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Rent your airplane and make money—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Who's next?—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Computer—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Help R2-D2!—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Phony primes—ICPC Live Archive
swerc-2003swerc-20032003–2004Europe?Roof—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Stormy Versailles—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Charles Frédéric Gros—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Count wireless Links—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Fighting the Heat—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Fighting the Heat II—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Find the Walls—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?War—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Now or later—ICPC Live Archive
swerc-2004swerc-20042004–2005Europe?Crime—ICPC Live Archive
swerc-2005swerc-20052005–2006EuropeAThe mysterious X network—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2005swerc-20052005–2006EuropeBBin Packing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2005swerc-20052005–2006EuropeDBuy or Build—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2005swerc-20052005–2006Europe?On Storing Clothes—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?4 Values whose Sum is 0—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?Keep the Customer Satisfied—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?UFO Cubes in Roswell—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?Black Box—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?Pixel Shuffle—ICPC Live Archive
swerc-2005swerc-20052005–2006Europe?Consecutive ones—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?CubesSquared—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?BlindFold—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?X-Plosives—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?Objective: Berlin—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?Transcript—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?The Right Tip—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?Booby Traps—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?Fire Lane—ICPC Live Archive
swerc-2006swerc-20062006–2007Europe?Gap—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?BEATBIT—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?Prester John—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?Robotruck—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?Jumping Hero—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?Board Games—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?The Bridges of Kolsberg—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?The Finest Chef—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?IP-TV—ICPC Live Archive
swerc-2007swerc-20072007–2008Europe?Ladies' Choice—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Bring Your Own Horse—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?First Knight—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Postal Charges—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Randomly-priced Tickets—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?The Game—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?The Merchant Guild—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Toll Road—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Top Secret—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Transcribed Books—ICPC Live Archive
swerc-2008swerc-20082008–2009Europe?Wizards—ICPC Live Archive
swerc-2009swerc-20092009–2010EuropeATrick or Treat tricktreat 8978c6c9-e2d8-4b12-abe4-563f61b6872f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeBWorking at the Restaurant restaurant 7f9264cd-449a-44e0-945f-d46fd5965b06—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeDDarts darts e9c77284-1add-416d-81bb-9a4cda481b11—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeEGenetics genetics 659a1c3d-6226-4eb9-bf03-f0f034bf58e4—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeGSlalom slalom c9da4de9-c26c-47f5-9d7a-aa034f2b240a—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeHRouting routing 9fec6af4-b966-49e1-b691-0884294dff13—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010EuropeJStammering Aliens aliens 1d5e8501-2086-4408-98e1-5ea07e364469—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2009swerc-20092009–2010Europe?Happy Telephones telephones 7c22e66c-ed47-418e-91f2-50bdff2d7b2c—Kattis · ICPC Live Archive
swerc-2009swerc-20092009–2010Europe?Haunted Graveyard hauntedgraveyard 9eb84f0e-20ca-4acf-9cf2-2cac2470172c—Kattis · ICPC Live Archive
swerc-2009swerc-20092009–2010Europe?Lights lights 58ae873d-bf3f-40c3-873d-33dddef0a41f—Kattis · ICPC Live Archive
swerc-2010swerc-20102010–2011EuropeBPeriodic Points periodicpoints 4e639b08-2806-4caf-b6df-f9054dc1c869—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeCComparing Answers comparinganswers 4ebeed55-b0bf-4306-9586-5080c4efde26—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeDFake Scoreboard fakescoreboard 1b1ac20e-bc30-464c-8303-b506711b9623—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeEPalindromic DNA palindromicdna a8094142-48c6-4698-83e5-f94ba792f8b3—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeFJumping Monkey jumpingmonkey a7270d93-4b7f-4d5d-83d6-be401891bf47—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeGSensor Network sensornetwork 55050794-6ef6-4f45-a01d-3c35b0b4c610—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011EuropeJ3-Sided Dice 3sideddice 05df71a5-cc1e-4c39-96eb-40637a2389be—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2010swerc-20102010–2011Europe?Assembly Line assemblyline 4710e33b-f3c7-4e99-afe6-8f7a68b2040d—ICPC Live Archive · Kattis
swerc-2010swerc-20102010–2011Europe?Lawn Mower lawnmower e9cc5337-9ba3-47f1-acab-856971021c24—ICPC Live Archive · Kattis
swerc-2010swerc-20102010–2011Europe?Locks and keys—ICPC Live Archive
swerc-2011swerc-20112011–2012EuropeAAlphabet Soup—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2011swerc-20112011–2012EuropeBCoin Collecting—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2011swerc-20112011–2012EuropeDDistributing Ballot Boxes ballotboxes db259298-5bb6-40b0-9d8c-1363a1e3b0cd—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2011swerc-20112011–2012EuropeEGame, Set and Match—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2011swerc-20112011–2012EuropeFGuess the Numbers guessthenumbers 0a01f3ec-e17e-40be-951b-1d9434848a58—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2011swerc-20112011–2012EuropeGNon-negative Partial Sums nonnegpartsums 7c986e3c-c3f8-44a3-8810-0620b227a5d8—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2011swerc-20112011–2012EuropeHPeer Review—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2011swerc-20112011–2012Europe?Remoteland remoteland 96addf2d-583d-4e66-99ea-4c5ea571eaf2—ICPC Live Archive · Kattis
swerc-2011swerc-20112011–2012Europe?Cybercrime Donut Investigation—ICPC Live Archive
swerc-2011swerc-20112011–2012Europe?Regular Convex Polygon—ICPC Live Archive
swerc-2012swerc-20122012–2013EuropeEOld School Days oldschooldays a95a937d-a7f3-4c77-9942-fae1cea5a155—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2012swerc-20122012–2013EuropeFSentry Robots sentryrobots 0bb931da-101f-4c6e-8864-30fe3a9f4872—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2012swerc-20122012–2013EuropeGHow do Spiders Walk on Water? spidersonwater 834417e7-012e-4fd0-be7e-9c03d11e4825—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2012swerc-20122012–2013Europe?Beehives beehives2 3dd557b7-17f7-41a9-b5a7-4a66984e1557—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?Bits Equalizer bitsequalizer 393354bc-9975-44b0-8ede-80d83011796f—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?Countdown countdown 7db5a5d7-0c8f-4957-8d1d-a319f2113ad5—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?LCM Pair Sum lcmpairsum b5819650-8653-412b-9f96-875e8a344680—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?RNA Secondary Structure rnasecondarystructure 1013cc1e-9c83-4730-8edf-0cb0b2ab3756—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?Shares shares 0943ca9d-ba9a-4ae2-933d-5c00be5c9319—ICPC Live Archive · Kattis
swerc-2012swerc-20122012–2013Europe?The Moon of Valencia—ICPC Live Archive
swerc-2013swerc-20132013–2014EuropeAMixing Colours mixingcolours 8ee692d7-4c40-44ae-80b6-01ee27e8e949StDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeBIt Can Be Arranged itcanbearranged af5334f8-2f8d-444e-9af0-7ab25222faabStDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeCShopping Malls shoppingmalls 486b112f-72c1-4280-bfd6-752350289041StDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeDDecoding the Hallway decodingthehallway d829daa8-ddca-489a-8b73-e03aa99c1ceeStDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeEJoe is learning to speak joeislearningtospeak aa52b273-9f2d-488e-8b09-8d9c16cbb05dStDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeFOdd and Even Zeroes oddandevenzeroes 7161a772-6cb8-4837-b7a5-7f4e5bea1257StDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeGVivoParc vivoparc c10df8eb-c603-4e5d-97ca-df54b65f5e57StDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeHBinary Tree binarytree 76b74949-ab3e-4d83-8af9-21d8f597b39aStDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeITrending Topic trendingtopic 1d104cc7-89b4-4e10-9234-3bf460cc77f3StDIVOVSoPKattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2013swerc-20132013–2014EuropeJCleaning the HallwayStDIVOVSoPICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeAGREAT + SWERC = PORTO greatswercporto 68fa6c7f-9605-4192-bfe6-0a1226ffb99b—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeBFlowery Trails flowerytrails 9b0c5839-8ea5-45f9-9544-a107bc99f5c0—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeCGolf Bot golfbot a0d1d844-8289-443f-8eae-814a736a336f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeDBook Club bookclub 3dde0f15-273f-4e8a-b6e9-a5b362b8d3e3—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeERicochet Robots ricochetrobots 968fe85e-8447-4217-a9ee-0b75cc49ace5—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeGPlaying with Geometry geometry 3c3bf372-df6a-401d-8d63-64b0412ddbeb—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeHMoney Transfers moneytransfers 30c88789-d006-48c8-baef-b03691845961—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015EuropeIThe Safe Secret safesecret ea0d0ab9-8928-4c08-a4de-d965e299b1f1—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2014swerc-20142014–2015Europe?City Park citypark 9ba91338-aa5e-4b8c-885b-e8e2aea5d873—Kattis · ICPC Live Archive
swerc-2014swerc-20142014–2015Europe?The Big Painting bigpainting 84bb71a5-2076-452a-92fb-1365f5c7e0d3—Kattis · ICPC Live Archive
swerc-2015swerc-20152015–2016EuropeAPromotions promotions 9ca39c0b-fde1-4427-8330-63def3e3b479—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeBBlack Vienna blackvienna e888adbd-9a01-4deb-aa59-6dea965f5266—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeCCanvas Painting canvas a64f376a-f7d9-47c3-aa09-b419b228067a—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeDDice Cup dicecup 94fa1694-a456-42a8-9bd5-cab00ff66869—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeEWooden Signs woodensigns 864ec3e1-92a0-495c-b4b9-c3425fbe963f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeFLandscaping landscaping f8f6492d-a297-4ebe-ac18-c06f805a216e—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeGGame of Cards gameofcards 61bdcd54-9ec3-4bc2-a3a1-0713cba6b6b3—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeHSheldon Numbers sheldon 403697ab-fa8b-4737-b04d-298bd9b2d6ad—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeIText Processor textprocessor a9bf8727-db20-47a6-8eb5-359874810bc3—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2015swerc-20152015–2016EuropeJSaint John Festival saintjohn a92f78e2-d953-4ac7-bf24-1ff867a3ba3f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeAWithin Arm's Reach withinarmsreach e742ecaa-8fe1-4809-911b-37d49a8f3d69—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeBBribing Eve bribingeve 2f24bbea-7b02-4a5f-9267-ab06de37e1a9—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeCCandle Box candlebox 7ca7cb14-44ec-4627-8ffd-b93610877ede—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeDDinner Bet dinnerbet cb99d178-9698-491a-94f6-855ba59c4606—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeEPasswords passwords 839e6fec-0a2c-476b-b346-56278a4a4696—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeFPerformance Review review 377cc842-9e02-4a05-b7df-74017cd8c0eb—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeGCairo Corridor cairocorridor d65646b0-dfe8-4e24-b0a6-079d784fa413—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeHPascal's Hyper-Pyramids hyperpyramids a843cb99-cf7b-43ac-b7ef-72a6f16b36c8—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeIThe White Rabbit Pocket Watch whiterabbit d786b82c-7a60-439f-b8ad-2962acad69c9—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeJRisky Lottery riskylottery 844bb558-9a91-4cc7-9d13-088f40200625—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2016swerc-20162016–2017EuropeKBalls and Needles ballsandneedles a63b3fe6-b5aa-4be6-8620-599c7c1e4edf—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2017swerc-20172017–2018EuropeACakey McCakeFace cakeymccakeface 0bd30bb5-eed6-4011-96a7-ac123526ad71—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeBTable table 5e4a0007-188c-4d58-84c5-771bd52cea02—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeCMacarons macarons df5a7be8-e475-48d9-9697-34a63d25df89—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeDCandy Chain candychain 5de58b91-1f76-4c5c-b22b-d0ab5ba7ae90—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeEIngredients ingredients 8e906e3b-b13b-40d9-b907-d20d7d3c3b7c—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeFShattered Cake shatteredcake b4271d94-2525-4aa0-8200-383c99be513f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeGCordon Bleu cordonbleu d42b9200-8659-408f-a0f4-a56e14700e9f—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeHKabobs kabobs 0698685c-46fe-430d-b4a1-519a87db3201—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeIBurglary burglary 51cdcff8-b53b-4439-879f-bdd729e3c4b0—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeJFrosting on the Cake frosting feb60899-167b-43fa-a04a-9a91759d9001—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2017swerc-20172017–2018EuropeKBlowing Candles blowingcandles a0d478fd-5cb9-4a18-bd20-84ed3cff2816—Kattis · ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28 · DMOJ
swerc-2018swerc-20182018–2019EuropeACity of Lights—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeBBlurred Pictures—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeCCrosswords—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeDMonument Tour—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeERounding—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeFParis by Night—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeGStrings—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeHTravel Guide—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeIMason’s Mark—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeJMona Lisa—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2018swerc-20182018–2019EuropeKDishonest Driver—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeAGratitudeStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeBRule 110StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeCSafe DistanceStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeDJoggingStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeECakesStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeFMentorsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeGDecorationStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeHFigurinesStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeIEmailsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeJDaisy’s MazesStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeKUnique ActivitiesStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeLRestaurantsStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2020swerc-20202020–2021EuropeMFantasmagorieStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeACard game—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeBSupporting everyone—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeCMetro quiz—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeDFlag performance—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeENicest view—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeFProgramming-trampoline-athlon!—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeGFavourite dish—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeHBreak a leg!—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeIThrowing dice—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeJOlympic goodies—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeKTeam selection—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeLBroken trophy—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2023swerc-20232023–2024EuropeMIn-order—Baekjoon Online Judge (wayback) closed 2026-04-28
swerc-2025swerc-20252025–2026EuropeAAdjusting Drones adjustingdrones 521f35ac-5913-4da4-ac21-e836b7fb7962—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeBBillion Players Game billionplayersgame 7af9f895-9ba7-44fe-b82c-3a8b9866cc0c—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeCChamber of Secrets 2 chamberofsecrets2 ddaefcb0-bca0-4ebd-b164-7cae69b60cef—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeDDungeon Equilibrium dungeonequilibrium 00ac37a8-7abd-441e-b249-e940a13f8a50—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeEExpansion Plan 2 expansionplan2 efe6365b-1ee8-4d04-a0ae-21121c6726b9—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeFFactory Table factorytable 0f37c7f1-6b3a-40f1-ab76-5f8d3e58da1e—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeGGit Gud gitgud 2689d0b4-055f-433a-8289-0b5b74f19ad6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeHHyper Smawk Bros hypersmawkbros 4e64ef73-4bad-4e8d-b609-a1b814f266ea—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeIIsaac's Queries isaacqueries e54cabe7-8e8f-42d9-b53e-4fff8f563638—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeJJewels Building jewelsbuilding cb1a114b-8b48-4927-ba5b-0c05ef3592f2—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeKKeygen 3 keygen3 adb42e6e-2928-4fa5-b379-8639ceea3fbe—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
swerc-2025swerc-20252025–2026EuropeLLFS lfs fa544f2e-1aa6-4a57-983b-de300d07a6df—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
taiwan-2000taiwan-20002000–2001Asia Pacific?Lattice Point—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?Coin Exchange—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?The Minimum Number of Rooks—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?Mars Colony Construction—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?Puzzle for Friends and Enemies—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?A Version of Nim—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?Tri-Colored Intersections—ICPC Live Archive
taiwan-2000taiwan-20002000–2001Asia Pacific?Deadlock Detection—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Good Approximation Problem—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Power Cable Problem—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?A Rate-Monotonic Scheduler—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?The Constraint Densest Submatrix—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Hinge Node Problem—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Area of Simple Polygons—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Model Checking—ICPC Live Archive
taiwan-2001taiwan-20012001–2002Asia Pacific?Composition of Functions—ICPC Live Archive
taiwan-2003taiwan-20032003–2004Asia PacificATiling Up Blocks—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2003taiwan-20032003–2004Asia PacificBQuad Trees—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2003taiwan-20032003–2004Asia PacificCThe Suspects—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificARush Hour Puzzle—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificBThe Power Monitor System—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificCAre They All Integers?—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificDTapioka—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificEThe League of Sequence Designers—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificFMiss Sloane—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificGOptimal Selection—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificHMining a—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificIThe Spectrum—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificJAutomatic Control Machine—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificKLength of Bundle Rope—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificLLargest Quadrilateral—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2019taiwan-20192019–2020Asia PacificMDivModulo—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificARight-Coupled Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificBMake Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificCPyramid—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificDQuality Monitoring—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificEA Color Game—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificFCable Protection—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificGGraph Cards—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificHOptimization for UltraNet—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificICritical Structures—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificJPuzzle Game—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificKNumber with Bachelors—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificLSave lives or money—Baekjoon Online Judge (wayback) closed 2026-04-28
taiwan-2020taiwan-20202020–2021Asia PacificMKeystroke—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestA(Your)((Term)((Project)))—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestBPainting A Board—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestCCrossed Matchings—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestDCounting Rectangles—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestEAn Old Stone Game—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestFMagazine Delivery—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestGSpace Ant—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-1999tehran-19991999–2000Asia WestHThe Erythea Campaign—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestANumber Steps—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestBPuzzlestan—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestCDynamic Declaration Language (DDL)—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestDColor Tunnels—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestELazy Math Instructor—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestFBuggy Sat—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestGCashier Employment—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestHDolphin Pool—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2000tehran-20002000–2001Asia WestI3002 Rubbery—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestAParencodings—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestBThe Bermuda Triangle—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestCDeformed Wheel—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestDIllusive Chase—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestEPuzzle Out—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestFThe Willy Memorial Program—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestGParallel Expectations—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2001tehran-20012001–2002Asia WestHUniversity Entrance Examination—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestAGrandpa's Other Estate—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestBAfshung Pizza Delivery—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestCHousing Complexes—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestDSpacecraft Malfunction—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestEBlue x Red = Bang—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestFJaWs—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2002tehran-20022002–2003Asia WestGSkew Binary—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestAHouse Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestBRotten Ropes—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestCOptimal Keypad—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestDHey, Pay Day!—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestEUnfoldung—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestFA DP Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestGMap Labeler—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2003tehran-20032003–2004Asia WestHBalanced Chemical Equations—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestAIOI Photos—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestBVice City—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestCFixing Codes—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestDWiping Words—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestEFood Cubes—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestFPoints—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestGACM-Telecom—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2004tehran-20042004–2005Asia WestHPrince of Persia—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestAAncient Keyboard—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestCChanging Phone Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestEEntertainment—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestFFortune at El Dorado—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestGGriddy Hobby—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestIIntercepting Missiles—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2005tehran-20052005–2006Asia WestJJoy of Mobile Routing—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestATeam Arrangement—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestBBarbara Bennett's Wild Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestCCalculating Taxi Fare—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestDParty at Hali-Bula—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestEAgainst Mammoths—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestFChessboard Dance—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2006tehran-20062006–2007Asia WestHTreasure of the Chimp Island—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestAWonderTeam—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestBEncrypted SMS—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestCHopeless Coach—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestDYungom—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestENew Island—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestFSub-dictionary—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestGSharif Super Computer—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestHCircle Artwork—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2007tehran-20072007–2008Asia WestICrazy Bits—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestAString LD—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestBPainting—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestCAnother Brick in the Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestDBlast the Enemy!—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestEdeltree—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestFSolar Eclipse—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestGHurry Plotter—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestHACM Coalition—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestIFruit Weights—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2008tehran-20082008–2009Asia WestJRoyal Gems—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestAA Password Policy Requirement—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestBBest Friends—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestCCalculate the Fence Needed—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestDDiamonds—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestEThe Avaricious ISP—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestFBorder Conflict—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestGGoguryeo and the Crown Prince—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestHArray Game—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestITracking Robots—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2009tehran-20092009–2010Asia WestJACM Revenge—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestAGholam’s Simple Game—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestBArbiter Login—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestCDrop7—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestDSeven Segment Counter—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestEBus Shuttle—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestFConditional Statements—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestGGenome Evolution—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestHWorld Cup Nominations—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestIKillbots—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestJIndisputable Right—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2010tehran-20102010–2011Asia WestKThe Mayo Empire—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestATV Reports—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestBATM PIN Theft—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestCLeaking Dike—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestDFire Evacuation Plan—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestEForgetful Waiter—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestFComputerizing a Stockroom—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestGHarvesting a Farm—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestHRectangular Painting—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestICorrupted BST—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2012tehran-20122012–2013Asia WestJSightseeing—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestAMovie—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestBSMS Poll—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestCTraitor—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestDIntelligent Traffic Surveillance—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestEBitTorrent—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestF2D-Solar System—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestGBowling Ball—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestIMixed Flight Plans—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestJSweeping Robot—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2013tehran-20132013–2014Asia WestKWedding Hall—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestBWeb Colors—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestCIdeal Scoreboard—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestDElevators—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestEAntennas—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestFWorking Hours—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestHToll—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestIRobot Race—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestJBus—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2014tehran-20142014–2015Asia WestKLine Fiting—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestALobby—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestBCameras—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestCRobot—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestDLaser Game—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestEBillboard—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestFFunfair—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestGBeehive—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestHDNA Sequencing—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestICafebazaar—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2015tehran-20152015–2016Asia WestJFence—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestATax—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestBKey Maker—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestCIOI 2017 Logo—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestDMicroRNA Ranking—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestEMöbius Strip—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestFExpression—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestGElections—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestHExplosion at Cafebazaar—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestILinear Galaxy—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestJRahyab—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestKBase Stations—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2016tehran-20162016–2017Asia WestLSkeletons—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestASim Card—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestBBank Card Verifier—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestCBorder Wall—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestDWorld Cup Draw—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestEBarareh on Fire—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestFHomotopic Paths—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestGNew Country Division—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestHColumn Addition—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestICafe Bazaar—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestJGetting Back Home—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2017tehran-20172017–2018Asia WestKMars—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestAICPC—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestBChaarshanbegaan at Cafebazaar—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestCCinema—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestDNader Shah—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestEJackRabbit Slim—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestFImputation—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestGRelay Race—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestHT-net—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestICongestion Charging Zone—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestJImage Processing Project—Baekjoon Online Judge (wayback) closed 2026-04-28
tehran-2018tehran-20182018–2019Asia WestKPython Classes—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2011thailand-20112011–2012Asia PacificFSpelling Suggestion—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2011thailand-20112011–2012Asia PacificGCoalescing Continents—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2011thailand-20112011–2012Asia PacificHFence Making—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2011thailand-20112011–2012Asia PacificP2Line of Best Fit—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2011thailand-20112011–2012Asia PacificP3Software Licenses—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificBTeaching Hazard—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificDSSD—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificEAirport Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificGMeeting Room Arrangement—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificICabin Baggage—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2013thailand-20132013–2014Asia PacificKSafari Park—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificAHex Code—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificBProgramming Contest Strategy—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificCTerrorists—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificDAquarium—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificEQueue of Soldiers—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificFJumping Joey—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificGPrimorial vs LCM—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificHAutomatic Scholarship Calculation—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificITom and Jerry—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificJSunlight on a Tree—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificKNew Angry Bird Weapon—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2015thailand-20152015–2016Asia PacificLDonation Packaging—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificAWSI Extreme—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificBAverage—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificCBig Bang—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificDFind C—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificEACM Tax—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificFDictionary Game—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificGBinary Strings—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificHWitcher Potion—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificISky Tax—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificJPrinting Press—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificKExpected Number of Connected Components—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-2016thailand-20162016–2017Asia PacificLCoordinates—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2013thailand-national-20132013–2014Asia PacificBNetwork Planning—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2013thailand-national-20132013–2014Asia PacificCZZ—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2013thailand-national-20132013–2014Asia PacificJMagic Graphs—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificADictionary—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificBDungeon—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificCFar Far Away—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificDFound—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificEJump—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificFLab—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificGOil—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificHPry Sequence Transformation—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificISquare—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificJTree Count—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificKWater Pump—Baekjoon Online Judge (wayback) closed 2026-04-28
thailand-national-2015thailand-national-20152015–2016Asia PacificLWho Feels Lucky—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabAHamza—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabBCompo—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabCFegla—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabDHamzawy—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabEAbdelrahman—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabFFouad—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabGDalia—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabHProf. Ossama—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabINicole—Baekjoon Online Judge (wayback) closed 2026-04-28
tunisia-2013tunisia-20132013–2014Africa & ArabJAhmed Aly—Baekjoon Online Judge (wayback) closed 2026-04-28
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ukiepc-2019ukiepc-20192019–2020EuropeCCrooked Dealing crookeddealing 14a6a36a-a0c2-45ee-919b-73da6a71f210StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeDDome Construction domeconstruction 33db734a-1998-4e64-9ce1-4393a580f1e0StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeEEstate Agent estateagent 8913addd-6894-4806-a9ff-9dde4e9ec407StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeFFeeding Seals feedingseals f68373df-97b6-430b-b1b7-a8d23f8b7959StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeGGrand Central Station grandcentralstation 574e00bf-5190-4586-b0b8-2881cb33616cStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeHHat Stand hatstand 28c251c5-3643-4b11-bdc3-624ad6c2a0a7StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeIIntegral Pyramid integralpyramid 12461e8c-d06f-4cca-8556-d2f66c0677c1StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
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ukiepc-2019ukiepc-20192019–2020EuropeKKnocked Ink knockedink 72cb48ff-a723-4ab8-bd34-5d4395becc2fStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeLLow Effort League loweffortleague 4a200366-0d3a-4fe6-ba95-3dc02396a879StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2019ukiepc-20192019–2020EuropeMMosaic Mansion mosaicmansion 1c20e12f-f5ac-408a-aeb3-ba7af7975c23StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2020ukiepc-20202020–2021EuropeAAquarium aquariumarrangementStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Aquarium Arrangement in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeBBidirectional Code balancedbreakdownStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Balanced Breakdown in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeCCorrupt Judge corruptedcontestStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Corrupted Contest in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeDDivvying Up divvyingup cdd09f08-8baf-4aab-8c01-96421b580763StDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2020ukiepc-20202020–2021EuropeEElevator Pitch efficientlyelevatedStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Efficiently Elevated in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeFFamily Fares familyfaresStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Family Fares in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeGGenerators generatorgridStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Generator Grid in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeHHaughty Cuisine hungryhenkStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Hungry Henk Grid in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeIIncomplete Sort incompleteimplementationStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Incomplete Implementation in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeJJigsaw jigsawStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Jigsaw in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeKKleptocrat kleptocratStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28essentially same as Xortest Path in benelux-2020
ukiepc-2020ukiepc-20202020–2021EuropeLLost Map lostmap bcae9320-6725-458d-8fc3-8be11389be4aStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2020ukiepc-20202020–2021EuropeMModerate Pace moderatepace 1f164b3b-1797-4149-aab5-2d49101c4e9eStDIVOVSoPBaekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
ukiepc-2021ukiepc-20212021–2022EuropeAArm Coordination—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeBBnPC—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeCCangaroo—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeDDecelerating Jump—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeEEerie Shadows—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeFFair Play—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeGGetting Square—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeHHamiltooonian Hike—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeIImplementation Irregularities—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeJJail or Joyride—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeKKinking Cables—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2021ukiepc-20212021–2022EuropeLLopsided Lineup—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2023ukiepc-20232023–2024Europe?Assessment Disruption assessment ef82cc18-cebf-4716-b3ac-12ad7ad3508e—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Boat Commuter Line boatcommuterline ac35d757-a71c-4c12-bdd9-e214b53075b2—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Clearing Space clearing 022da1ea-4e9d-49f7-b10a-55823ab3dc49—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Delivery Forces deliveryforces 6da57e9d-99dd-4e16-870f-9fc9b38c1642—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Enchanted Fortress enchantedfortress ca8b474e-9abd-4d78-87db-412f46757ab2—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Fast Forward fastforward d2ebd3b2-c13f-4b6f-8a4a-3d429b61e7f3—Kattis
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ukiepc-2023ukiepc-20232023–2024Europe?History in Numbers historyinnumbers 59d1fc9d-3403-4dac-8f60-47e36041f3d0—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?International Travel international 056f88cb-dd2f-44ca-a595-649a80c4509c—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Journey of Recovery journey 5c7d7e7d-63b0-4777-a1fb-0be7ef5946db—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Kernel Scheduler kernelscheduler 7b9c9a5b-f998-455b-aae8-9cb7d466be06—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Last One Standing lastone d419354a-edec-4a11-95e9-b5df3922497a—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Mini-Tetris 3023 minitetris3023 cc51d224-ee95-4557-8792-4a96f5618cb9—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Naming Wine Bottles namingwine 6f3101f2-09b7-4586-8dfc-fc00d90c461d—Kattis
ukiepc-2023ukiepc-20232023–2024Europe?Tetris 43265707-1a13-4736-9f6c-5c89c7ec15f0—
ukiepc-2024ukiepc-20242024–2025EuropeAAmalgram amalgram 324123d9-0dd9-47ec-ab13-d978d3098272—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeBBudget Analysis budget3 ba6da921-1b03-457a-9d70-2989584cfb60—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeCCross Country crosscountry2 c5212eb6-2e72-40b7-80bd-5f5ca5969127—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeDDrone Control drone 10559b16-ad1f-490d-b1c8-6db04b8c8e41—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeEEradication Sort eradication 6239a4e8-5a7f-4367-95c7-700fbb04da6d—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeFFinding Suspicious Proteins findingproteins 11cc9584-983a-44ed-a430-4f879fe2244b—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeGGrid Search gridsearch b7937687-3f53-4f39-81c0-148b39488c5f—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeHHedge Topiary hedge 0306a2d6-ed51-4185-b41b-fb72adcfc187—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeIInconsistent Patterns inconsistent faf8ffaf-0f8d-494e-bcdf-1cc61893eceb—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeJJabber Network jabbernetwork 4d2d73e8-44e4-4d2c-af1a-dc8bdb048f33—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeKKnitting knitting dc2c1a1c-a34d-4b5c-af4f-cdcf1b85bd3f—Kattis
ukiepc-2024ukiepc-20242024–2025EuropeLLeg Day legday fb0259cd-67be-4858-b885-45ef90c0a5b2—Kattis
ukiepc-2025ukiepc-20252025–2026EuropeAArboreal Challenge—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeBBrickwork—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeCColourful Captcha—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeDDepot—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeEEnclosure—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeFFell Walking—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeGGet Good—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeHHybrid Search—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeIItsy Bits—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeJJoust Sort—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeKKlaus—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeLLast Orders—Baekjoon Online Judge (wayback) closed 2026-04-28
ukiepc-2025ukiepc-20252025–2026EuropeMMotorway Stops—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeALucky Controller—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeBBukazoids—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeCCollisions—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeDDancers—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeEEmbassy—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeFDictionary of Obscene Words—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeGGreatest Product—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeHFractal Cake—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeIHexaroman Numbers—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeJBeam in Tunnel—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeKKey—Baekjoon Online Judge (wayback) closed 2026-04-28
ukraine-2010ukraine-20102010–2011EuropeLGame on Chessboard—Baekjoon Online Judge (wayback) closed 2026-04-28
urals-2009urals-20092009–2010Northern Eurasia?Code Names—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Cipher Grille—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Key Substrings—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Mnemonics and Palindromes 2—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Another Ball Killer—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Alternative Solution—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Eligibility Rules—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Rejudge—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Kill the Shaitan-Boss—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Summit Online Judge—Timus Online Judge
urals-2009urals-20092009–2010Northern Eurasia?Two Sides of the Same Coin—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Murphy's Law—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?The Revolution Cup—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Cube Puzzle—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?The Czechs' Rifles—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?The Machinegunners in a Playoff—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Chapaev and a Cipher Grille—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Mobile Telegraphs—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Cartridges for Maxim—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Chapaev at the Planet Ocean—Timus Online Judge
urals-2010urals-20102010–2011Northern Eurasia?Chapaev and Potatoes—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Passenger Comfort—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Trip 2—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Frequent Flyer Card—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Pilot Work Experience—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Airport Announcements—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Money out of Thin Air—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Language Ocean—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Morning in Koltsovo—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?A380—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Non-Flying Weather—Timus Online Judge
urals-2011urals-20112011–2012Northern Eurasia?Steaks on Board—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Hidden Entrance—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Overtaking Fire—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Passing through Walls—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Alignment of Forces—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Serial Control—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Reconstruction of Bygones—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Waiting for Stability—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Deadly Accuracy—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Artful Manipulations—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: Transformation of Cylinders—Timus Online Judge
urals-2012urals-20122012–2013Northern Eurasia?Titan Ruins: the Infinite Power of Magic—Timus Online Judge
urumqi-2017urumqi-20172017–2018Asia EastACoins—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastBThe Difference—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastCThe Number Triangle—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastDFence Building—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastEFriends—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastFGathering—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastGThe Mountain—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastHCount Numbers—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastIA Possible Tree—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastJLowest Common—Luogu 洛谷 (Luògǔ)
urumqi-2017urumqi-20172017–2018Asia EastKSum of the Line—Luogu 洛谷 (Luògǔ)
vietnam-2016vietnam-20162016–2017Asia Pacific?Alice in the Digital World alicedigital 96f3cfcb-82e7-4892-9dc2-9bf1973b6b1a—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Directory Management directorymanagement 2aedac52-f1aa-4429-8245-81ff57f91ce8—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Divisor Game divisorgame 9f7ec851-0364-44e0-a9c8-07ce635ace2c—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?ICPC Team Selection icpcteamselection 593f8b77-2a60-42ea-97af-661c2ba71531—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Message message e370c343-3d25-4691-ad96-a2eb44209fcc—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Nature Reserve naturereserve 3a4e9f0f-0fa5-4abf-9858-288282fcd8a5—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Olympiad Training olympiadtraining 197f032e-b9c1-4b15-8777-3cf140e1dbe9—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Printer Scheduling printerscheduling 1398d8f4-a6d9-411b-b507-74ef03408e7c—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Reservoir reservoir f1fb7559-e8e0-4e2e-b88a-a6210fe4f1c6—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Swimming Balls swimmingballs 69eb9ade-0ed5-44c2-8527-8e53f7039539—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Terraced fields terracedfields 175595ef-216b-4444-9943-725eac624b01—Kattis
vietnam-2016vietnam-20162016–2017Asia Pacific?Ultimate Pipe Game ultimatepipegame fc1477f9-be43-4719-9993-ca8f6bf73621—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificAArranging Wine arrangingwine 4eea08e9-7ae8-4307-b7e8-49a68dd2e364—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificBBarcode barcode 686eed01-b609-4dd8-836d-301ccbb34857—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificCCu Chi Tunnels cuchitunnels 50d5b00c-d74e-493e-a147-6091c5a695e4—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificDDropping Ball droppingball 82507b39-a46e-46e5-bfc3-1e7a7a0563a8—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificEEngaging with Loyal Customers engaging 5f6b7341-41ba-403e-9c3b-befb0fb0f650—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificFFamous Pagoda famouspagoda 7735533d-7047-4915-a9ae-c6c189762ccd—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificGGame of Divisibility gameofdivisibility 61e5d056-8075-4c96-ba17-a6a129a0b573—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificHHeight Preservation heightpreservation 6661c2df-0210-4e3b-93a8-969c6790b920—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificIICPC Awards icpcawards b62c9527-5d2c-4c77-95d6-6ae249c02ae2—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificJJoining Networks joiningnetwork 0828b126-4842-43b4-8d54-667da93f908a—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificKK-Rotating krotating 021dee39-b1b0-444e-ac9c-c571a1f91269—Kattis
vietnam-2017vietnam-20172017–2018Asia PacificLLand Inheritance landinheritance deddda02-0f72-4829-bc4b-0691a7e04af4—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificAAmazing Adventures amazingadventures bd95e36e-863f-4351-a3bf-871c03732c70—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificBBipartite Battle bipartitebattle bfa2e6d5-4a72-457a-b7c9-faea459796c9—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificCConquest Campaign conquestcampaign e1c75de4-49ac-41cb-a160-6bfbd526fba5—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificDDivide Doughnut dividedoughnut a76603ec-36b2-4ee6-a88c-7efdf96c9d94—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificEEnjoying Elderberries enjoyingelderberries 23d5d99b-4a31-4ecf-ad55-e8aa2a43a84a—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificFFun with Fibonacci funwithfibonacci 8c067d03-2ee4-4be0-be99-f71681ec0559—Kattis
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vietnam-2018vietnam-20182018–2019Asia PacificHHydra's Heads hydrasheads a657674e-43ed-42f9-99be-2a951a0aefe4—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificIInsider's Identity insidersidentity 822f85ed-f9db-4bf5-a883-60c689d64faa—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificJJurassic Jungle jurassicjungle bc3f7812-6efe-4b1f-a623-783628f25ea5—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificKKingdom of Kittens kingdomofkittens d6dd56d1-2330-4d4c-bf0c-18c3c8f6fd4c—Kattis
vietnam-2018vietnam-20182018–2019Asia PacificLLazy Learner lazylearner 1a41c822-c06b-4c1f-a373-51d8ccdf1825—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificAAbstract Painting abstractpainting 08a48fe9-cc8a-4b55-8434-90f612e11b9b—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificBBanana Problem bananaproblem 05d47447-9b7d-442a-8fff-73bc0c1bcc73—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificCCounting Palindromes countingpalindromes 6d7987a8-d236-4a10-b091-f0e0ea549bad—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificDDating time datingtime f8a5622e-b3ba-46ed-afcd-ae7c3777d7c7—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificEEasy Query easyquery f0678352-a4b1-4574-8e42-7eb82b315d81—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificFFair Bandwidth Sharing fairbandwidthsharing 813a8ba3-4178-4d08-9478-d7aee2a5d7ac—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificGGenerating Numbers generatingnumbers 6593cd0d-4d9e-477c-86df-a97f6710d6a6—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificHHanjie hanjie 7ba82084-0987-4097-a258-f6c7f631b7aa—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificIInspecting Illumination inspectingillumination be7f4c83-61fe-42ee-bcc0-c9fdfd9ee583—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificJJustice for Ants justiceforants f4d3bde6-3469-458e-a860-4a4236893aa9—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificKKeep It Sorted keepitsorted 6966bed8-9e86-4e22-ac93-64b9bb8e96a8—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificLLatin Square latinsquare 3a46a57f-3472-49eb-8b79-cb041d732a26—Kattis
vietnam-2019vietnam-20192019–2020Asia PacificMMoscow Dream moscowdream 0edb0f6f-b68a-41c3-8a8a-1b423a777281—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificAAlchemy 101 alchemy101 f1b420c3-85c1-4d39-b37d-8d7c8c5ee0b5—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificBBeautiful Square beautifulsquare 790ad00b-dbee-448e-8819-ebd8ed7458d2—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificCCan Tho Expressway canthoexpressway 2e2ad479-bd9a-42cd-bf13-0734ffcd3606—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificDDiv 2, Mul 2, Mul 3 div2mul2mul3 d6723311-9e67-419f-a93f-bf6bbfc04be7—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificEEdge Removal edgeremoval ad020142-a5bb-43c4-a91d-60857984a013—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificFFinal Exam finalexam2 98e335cd-5794-4475-9fcb-a2fccda678db—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificGGreatest Permutation greatestpermutation ab91b3f0-1ff4-4adc-a82a-d0bd760bf149—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificHHexagon coloring hexagoncoloring 6e845480-f14d-423e-9fdb-ae6036d64132—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificIIntelligence Exchange intelligenceexchange 22d25503-ea0f-4211-b7fd-2d3d649f6792—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificJJuggling Sequence jugglingsequence 3be46d03-24ae-4c25-92f8-2ec7a1500ffb—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificKKingdom of Hamsters kingdomofhamsters c8defc1b-5f34-4412-935d-c9404b4c5704—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificLLazy Students lazystudents 65c065fe-69cf-4fb2-80bc-7713e55aa3eb—Kattis
vietnam-2020vietnam-20202020–2021Asia PacificMMilk Tea Battle milkteabattle 61ccb839-b74a-4b89-b350-c4ab49d38c90—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Another Query on Array Problem queryonarray 4cdb4b18-1465-4b4e-b649-6358af82f69c—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Board Covering boardcovering 7c591ebf-80f3-4110-bd1d-a1e9ef4d3d22—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Cumulative Sums cumulative 0a820f55-fab8-41bf-9c08-1866c0504183—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Delicious Bubble Tea bubbletea d1bc76a8-b84b-4e8e-b5e1-1f640b67add9—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?European Trip europeantrip f8d03ef3-23a4-4fde-ae6c-2fb687a89185—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Familiar Digit familiar cf0248fb-8f9e-4d84-9477-02fec0c61a97—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Ginger Candy gingercandy 3a671b59-0cf2-4289-9181-830f52530908—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Integer Rotation introtation 4e14eeb8-24ce-45dd-9504-65186f42e062—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Jewelry Box jewelrybox 1f69d196-8810-4c55-95fa-bf014e280977—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Keep the Parade Safe parade 79de5e4c-6dab-40be-87fe-426941e1b767—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Let's Play Monopoly! monopoly 2a834802-9a41-44cd-8846-47ee7278bf2d—Kattis
vietnam-national-2017vietnam-national-20172017–2018Asia Pacific?Nim Cheater nimcheater 10e01039-ca77-40d6-be38-7366e5526e5e—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Adventure Begins adventurebegins e48c8e64-a27f-4ad1-aeda-005063c472bf—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Battle of Pokenom battleofpokenom d944ec04-901d-4de2-892f-438074b3cd76—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Communicating The Strategy communicatingstrategy 022362ce-5bdc-41c9-9e39-35ba4ca62943—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Cotton wedding 22cd234c-6e66-48e2-8b21-82001c1b87bc—
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Dreamer dreamer b86b59e4-bb7d-4e07-99f6-e56bb664d007—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Evolutions evolutions 9997d842-2560-4ae4-96e7-937d69941836—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Forest of Celery forestofcelery fe5c97fd-3464-4793-abf1-e594c624ac8c—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Gotta Catch Em All! gottacatchemall 79412afe-769c-44a2-9cc6-e6933350b889—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?How to Paint? howtopaint 6d364061-be44-41ca-a366-2d2295f520b3—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?I Wanna Be The Very Best iwannabe d0af9d32-167a-4f78-8afe-c308baf243f3—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Joyless Game joylessgame 4050dd82-2d04-4a35-9568-1593261a4125—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Keep Them Separated keepthemseparated 6b8cb12e-b73a-4941-8c8b-fd2625d253c3—Kattis
vietnam-national-2018vietnam-national-20182018–2019Asia Pacific?Like No One Ever Was likenooneeverwas abf7e5ea-31f0-4208-ad81-0c624044753f—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificAA New Adventure anewadventure 633e3255-cd6b-488e-b9b8-0055e6f8db5c—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificBBreaking Cake breakingcake ca3ea643-1145-4cfd-8fdb-8cad30dbef21—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificCChecking Break checkingbreak a6947efe-9521-4d21-8cd4-d4c05ea562ca—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificDDropping Ball droppingball2 619199fa-26b8-411a-a17c-2a2624cf64ce—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificEEasy Probability easyprobability ec626e78-b806-465b-a2eb-79b7d3429602—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificFFinal Exam finalexam 5a3900f8-866a-4417-92a8-aa71bd75e1d4—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificGGathering in Yorknew gatheringinyorknew 2bcb8f62-67b5-47b1-b843-e3d5b3e75717—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificHHunter x Communication hunterxcommunication 1b88a70c-f2d2-43c8-a669-6d5b7260b03c—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificIIMO Harder Problem imoharderproblem de5fc1a2-2a46-416f-8882-420cb99fe255—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificJJust Enough Bridges justenoughbridges 1d422885-9394-49c9-b873-fe382f5330d7—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificKKingdom of Ants kingdomofants 967c37db-2ebc-48bf-aee0-0dd836872e28—Kattis
vietnam-national-2019vietnam-national-20192019–2020Asia PacificLLearning to code learningtocode cdae5136-469c-4b2f-95c1-4b742c74c0ae—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificAAstrological Sign astrologicalsign 188f8064-d8e1-4ec7-aff4-ab1babb030d6—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificBBattle of Hogwarts battleofhogwarts 38d39ba8-faa0-4614-b43a-58d5eaf494ea—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificCCable Car cablecar 110c8412-8ece-4649-8ac3-a75767016525—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificDDividing Kingdom dividingkingdom d64933cd-aeb6-4be2-8976-a0a89016004e—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificEEasy Arithmetic easyarithmetic e62a38f9-b301-45f1-9756-82a1dccfd4de—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificFFluffy Cat fluffycat 813c8935-62bf-4b10-8e75-f83a44ebb432—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificGGreatest Pair greatestpair 3e48e43a-fd6b-4dd9-aa83-a1dfe11c3902—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificHHighway to Mount Fansipan highwaytomountfansipan aee4c9c7-304b-4752-ae2b-9f7b8d230aba—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificIInfinite 2D Array infinite2darray 40473927-8424-4070-b0d3-ce18dd14f7cb—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificJJust Enough Water justenoughwater 6b0072d5-6d33-43db-9a31-e8df7769a514—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificKKingdom of Cats kingdomofcats 245a313d-2885-444e-920e-c45fb0275ebe—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificLLooping Around loopingaround ec3a9cc5-cccd-4144-b1c0-1016e280dcb2—Kattis
vietnam-national-2020vietnam-national-20202020–2021Asia PacificMMalfunctioning Robot malfunctioningrobot 0a14cc18-5010-4925-a154-d4109b083c7e—Kattis
werc-1992werc-19921992–1993Europe?Permalex—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Caesar Cypher—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Orchard Trees—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Bandwidth—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Bridge Hands—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Student Grants—ICPC Live Archive
werc-1992werc-19921992–1993Europe?Amazing—ICPC Live Archive
werc-1992werc-19921992–1993Europe?All Squares—ICPC Live Archive
wf-1981wf-19811980–1981—?Checkerboard Regions 0a69b918-08e0-4cdc-9194-11f1eec815e1—
wf-1981wf-19811980–1981—?Editing Numbers 54f784c3-d103-4603-b01e-874426ef5472—
wf-1981wf-19811980–1981—?Gas Mileage bbb8d2a6-36a2-42fc-995e-8590178c7e7d—
wf-1981wf-19811980–1981—?Interpreter c752f857-6816-4792-ac16-f0997eae40b1—
wf-1981wf-19811980–1981—?Manufacturer's Break-even Analysis 13667da8-4687-4b2e-8c79-6c4ebfb3b417—
wf-1981wf-19811980–1981—?Team Standings 9c727bae-e56a-4961-9ecc-e181089647f1—
wf-1983wf-19831982–1983—?Binary Game Trees 90173a4b-ed47-458f-a051-58a523f23806—
wf-1983wf-19831982–1983—?Data Dictionary 2cb6831f-add7-45a5-8384-a0cd9a4b716a—
wf-1983wf-19831982–1983—?Inscribed Figures 9bafe20a-5f7a-43e5-9415-e2c94148f0e2—
wf-1983wf-19831982–1983—?Log Cabins ba3b9806-f312-43cf-977f-b84369dbea31—
wf-1983wf-19831982–1983—?Mousetrap ddc3fc87-5151-45d7-ad50-66ee324839ae—
wf-1983wf-19831982–1983—?Mousetrap b2203aed-d656-478e-8262-a7cf247e2e1b—
wf-1983wf-19831982–1983—?Polynomial Multiplication a1fa782c-e618-46f7-884f-fc9836f50221—
wf-1983wf-19831982–1983—?Table Manipulation c6ef8200-b102-4a93-b442-d713195dd398—
wf-1990wf-19901989–1990—?Repeating Decimals 77b863c2-5a06-4aae-9348-3ec50173d6f7—ICPC Live Archive
wf-1990wf-19901989–1990—?Rare Order—ICPC Live Archive
wf-1990wf-19901989–1990—?Squares—ICPC Live Archive
wf-1990wf-19901989–1990—?Running Lights Visibility Calculator—ICPC Live Archive
wf-1990wf-19901989–1990—?Robot Crash—ICPC Live Archive
wf-1990wf-19901989–1990—?Getting There—ICPC Live Archive
wf-1990wf-19901989–1990—?Meals on Wheels Routing System—ICPC Live Archive
wf-1990wf-19901989–1990—?PGA Tour Prize Money—ICPC Live Archive
wf-1991wf-19911990–1991—?Firetruck—ICPC Live Archive
wf-1991wf-19911990–1991—?Triangular Vertices—ICPC Live Archive
wf-1991wf-19911990–1991—?Concurrency Simulator—ICPC Live Archive
wf-1991wf-19911990–1991—?The Domino Effect—ICPC Live Archive
wf-1991wf-19911990–1991—?Use of Hospital Facilities—ICPC Live Archive
wf-1991wf-19911990–1991—?Message Decoding—ICPC Live Archive
wf-1991wf-19911990–1991—?Code Generation—ICPC Live Archive
wf-1992wf-19921991–1992—?Spreadsheet Calculator—ICPC Live Archive
wf-1992wf-19921991–1992—?Getting in Line—ICPC Live Archive
wf-1992wf-19921991–1992—?Radio Direction Finder—ICPC Live Archive
wf-1992wf-19921991–1992—?Moth Eradication—ICPC Live Archive
wf-1992wf-19921991–1992—?Department of Redundancy Department—ICPC Live Archive
wf-1992wf-19921991–1992—?Othello—ICPC Live Archive
wf-1992wf-19921991–1992—?Urban Elevations—ICPC Live Archive
wf-1993wf-19931992–1993—?Budget Travel—ICPC Live Archive
wf-1993wf-19931992–1993—?Classifying Lots in a Subdivision—ICPC Live Archive
wf-1993wf-19931992–1993—?Kissin' Cousins—ICPC Live Archive
wf-1993wf-19931992–1993—?Golygons—ICPC Live Archive
wf-1993wf-19931992–1993—?MIDI Preprocessing—ICPC Live Archive
wf-1993wf-19931992–1993—?Puzzle—ICPC Live Archive
wf-1993wf-19931992–1993—?Resource Allocation—ICPC Live Archive
wf-1993wf-19931992–1993—?Scanner—ICPC Live Archive
wf-1994wf-19941993–1994—?Borrowers—ICPC Live Archive
wf-1994wf-19941993–1994—?Testing the CATCHER—ICPC Live Archive
wf-1994wf-19941993–1994—?Crossword Answers—ICPC Live Archive
wf-1994wf-19941993–1994—?Package Pricing—ICPC Live Archive
wf-1994wf-19941993–1994—?Switching Channels—ICPC Live Archive
wf-1994wf-19941993–1994—?Typesetting—ICPC Live Archive
wf-1994wf-19941993–1994—?VTAS - Vessel Traffic Advisory Service—ICPC Live Archive
wf-1994wf-19941993–1994—?Monitoring Wheelchair Patients—ICPC Live Archive
wf-1995wf-19951994–1995—?Tempus et Mobilius 3c2f32c9-d734-4663-a6ca-ffb1f6b738b2—
wf-1996wf-19961995–1996—?10-20-30—ICPC Live Archive
wf-1996wf-19961995–1996—?Calling Circles—ICPC Live Archive
wf-1996wf-19961995–1996—?Cutting Corners—ICPC Live Archive
wf-1996wf-19961995–1996—?Bang the Drum Slowly—ICPC Live Archive
wf-1996wf-19961995–1996—?Pattern Matching Prelims—ICPC Live Archive
wf-1996wf-19961995–1996—?Nondeterministic Trellis Automata—ICPC Live Archive
wf-1996wf-19961995–1996—?Trucking—ICPC Live Archive
wf-1997wf-19971996–1997—?System Dependencies—ICPC Live Archive
wf-1997wf-19971996–1997—?Jill Rides Again—ICPC Live Archive
wf-1997wf-19971996–1997—?Morse Mismatches—ICPC Live Archive
wf-1997wf-19971996–1997—?RAID!—ICPC Live Archive
wf-1997wf-19971996–1997—?Optimal Routing—ICPC Live Archive
wf-1997wf-19971996–1997—?Do You Know the Way to San Jose?—ICPC Live Archive
wf-1997wf-19971996–1997—?Spreadsheet Tracking—ICPC Live Archive
wf-1997wf-19971996–1997—?Window Frames—ICPC Live Archive
wf-1998wf-19981997–1998—?Crystal Clear—ICPC Live Archive
wf-1998wf-19981997–1998—?Flight Planning—ICPC Live Archive
wf-1998wf-19981997–1998—?Lead or Gold—ICPC Live Archive
wf-1998wf-19981997–1998—?Page Selection by Keyword Matching—ICPC Live Archive
wf-1998wf-19981997–1998—?Petri Net Simulation—ICPC Live Archive
wf-1998wf-19981997–1998—?Polygon Intersections—ICPC Live Archive
wf-1998wf-19981997–1998—?Spatial Structures—ICPC Live Archive
wf-1998wf-19981997–1998—?Towers of Powers—ICPC Live Archive
wf-1999wf-19991998–1999—?Bee Breeding—ICPC Live Archive
wf-1999wf-19991998–1999—?Bullet Hole—ICPC Live Archive
wf-1999wf-19991998–1999—?A Dicey Problem—ICPC Live Archive
wf-1999wf-19991998–1999—?The Fortified Forest—ICPC Live Archive
wf-1999wf-19991998–1999—?Trade on Verweggistan—ICPC Live Archive
wf-1999wf-19991998–1999—?Robot—ICPC Live Archive
wf-1999wf-19991998–1999—?The Letter Carrier's Rounds—ICPC Live Archive
wf-1999wf-19991998–1999—?Flooded!—ICPC Live Archive
wf-2000wf-20001999–2000—?Abbott's Revenge—ICPC Live Archive
wf-2000wf-20001999–2000—?According to Bartjens—ICPC Live Archive
wf-2000wf-20001999–2000—?Cutting Chains—ICPC Live Archive
wf-2000wf-20001999–2000—?Gifts Large and Small—ICPC Live Archive
wf-2000wf-20001999–2000—?Internet Bandwidth—ICPC Live Archive
wf-2000wf-20001999–2000—?Page Hopping—ICPC Live Archive
wf-2000wf-20001999–2000—?Queue and A—ICPC Live Archive
wf-2000wf-20001999–2000—?Stopper Stumper—ICPC Live Archive
wf-2001wf-20012000–2001—?Airport Configuration—ICPC Live Archive
wf-2001wf-20012000–2001—?Say Cheese—ICPC Live Archive
wf-2001wf-20012000–2001—?Crossword Puzzle—ICPC Live Archive
wf-2001wf-20012000–2001—?Can't Cut Down the Forest for the Trees—ICPC Live Archive
wf-2001wf-20012000–2001—?The Geoduck GUI—ICPC Live Archive
wf-2001wf-20012000–2001—?A Major Problem—ICPC Live Archive
wf-2001wf-20012000–2001—?Fixed Partition Memory Management—ICPC Live Archive
wf-2001wf-20012000–2001—?Professor Monotonic's Networks—ICPC Live Archive
wf-2001wf-20012000–2001—?A Vexing Problem—ICPC Live Archive
wf-2002wf-20022001–2002—DFerries—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2002wf-20022001–2002—?Balloons in a Box—ICPC Live Archive
wf-2002wf-20022001–2002—?Undecodable Codes—ICPC Live Archive
wf-2002wf-20022001–2002—?Crossing the Desert—ICPC Live Archive
wf-2002wf-20022001–2002—?Island Hopping—ICPC Live Archive
wf-2002wf-20022001–2002—?Toil for Oil—ICPC Live Archive
wf-2002wf-20022001–2002—?Partitions—ICPC Live Archive
wf-2002wf-20022001–2002—?Silly Sort—ICPC Live Archive
wf-2002wf-20022001–2002—?Merrily, We Roll Along!—ICPC Live Archive
wf-2003wf-20032002–2003—?Building Bridges—ICPC Live Archive
wf-2003wf-20032002–2003—?Light Bulbs—ICPC Live Archive
wf-2003wf-20032002–2003—?Riding the Bus—ICPC Live Archive
wf-2003wf-20032002–2003—?Eurodiffusion—ICPC Live Archive
wf-2003wf-20032002–2003—?Covering Whole Holes—ICPC Live Archive
wf-2003wf-20032002–2003—?Combining Images—ICPC Live Archive
wf-2003wf-20032002–2003—?A Linking Loader—ICPC Live Archive
wf-2003wf-20032002–2003—?A Spy in the Metro—ICPC Live Archive
wf-2003wf-20032002–2003—?The Solar System—ICPC Live Archive
wf-2003wf-20032002–2003—?Toll—ICPC Live Archive
wf-2004wf-20042003–2004—ACarl the Ant—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2004wf-20042003–2004—CImage Is Everything—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2004wf-20042003–2004—DInsecure in Prague—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2004wf-20042003–2004—FMerging Maps—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2004wf-20042003–2004—ISuspense!—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2004wf-20042003–2004—?Heliport—ICPC Live Archive
wf-2004wf-20042003–2004—?Intersecting Dates—ICPC Live Archive
wf-2004wf-20042003–2004—?Navigation—ICPC Live Archive
wf-2004wf-20042003–2004—?Tree-Lined Streets—ICPC Live Archive
wf-2004wf-20042003–2004—?Air Traffic Control—ICPC Live Archive
wf-2005wf-20052004–2005—?Eyeball Benders—ICPC Live Archive
wf-2005wf-20052004–2005—?Simplified GSM Network—ICPC Live Archive
wf-2005wf-20052004–2005—?The Traveling Judges Problem—ICPC Live Archive
wf-2005wf-20052004–2005—?cNteSahruPfefrlefe—ICPC Live Archive
wf-2005wf-20052004–2005—?Lots of Sunlight—ICPC Live Archive
wf-2005wf-20052004–2005—?Crossing Streets—ICPC Live Archive
wf-2005wf-20052004–2005—?Tiling the Plane—ICPC Live Archive
wf-2005wf-20052004–2005—?The Great Wall Game—ICPC Live Archive
wf-2005wf-20052004–2005—?Workshops—ICPC Live Archive
wf-2005wf-20052004–2005—?Zones—ICPC Live Archive
wf-2006wf-20062005–2006—?Low Cost Air Travel—ICPC Live Archive
wf-2006wf-20062005–2006—?Remember the A La Mode!—ICPC Live Archive
wf-2006wf-20062005–2006—?Ars Longa—ICPC Live Archive
wf-2006wf-20062005–2006—?Bipartite Numbers—ICPC Live Archive
wf-2006wf-20062005–2006—?Bit Compressor—ICPC Live Archive
wf-2006wf-20062005–2006—?Building a Clock—ICPC Live Archive
wf-2006wf-20062005–2006—?Pilgrimage—ICPC Live Archive
wf-2006wf-20062005–2006—?Pockets—ICPC Live Archive
wf-2006wf-20062005–2006—?Degrees of Separation—ICPC Live Archive
wf-2006wf-20062005–2006—?Routing—ICPC Live Archive
wf-2007wf-20072006–2007—?Consanguine Calculations—ICPC Live Archive
wf-2007wf-20072006–2007—?Containers—ICPC Live Archive
wf-2007wf-20072006–2007—?Grand Prix—ICPC Live Archive
wf-2007wf-20072006–2007—?Jacquard Circuits—ICPC Live Archive
wf-2007wf-20072006–2007—?Collecting Luggage—ICPC Live Archive
wf-2007wf-20072006–2007—?Marble Game—ICPC Live Archive
wf-2007wf-20072006–2007—?Network—ICPC Live Archive
wf-2007wf-20072006–2007—?Raising the Roof—ICPC Live Archive
wf-2007wf-20072006–2007—?Problem: Water Tanks—ICPC Live Archive
wf-2007wf-20072006–2007—?Tunnels—ICPC Live Archive
wf-2008wf-20082007–2008—?Air Conditioning Machinery—ICPC Live Archive
wf-2008wf-20082007–2008—?Always an integer—ICPC Live Archive
wf-2008wf-20082007–2008—?Conveyor Belt—ICPC Live Archive
wf-2008wf-20082007–2008—?The Hare and the Hounds—ICPC Live Archive
wf-2008wf-20082007–2008—?Huffman Codes—ICPC Live Archive
wf-2008wf-20082007–2008—?Glenbow Museum—ICPC Live Archive
wf-2008wf-20082007–2008—?Net Loss—ICPC Live Archive
wf-2008wf-20082007–2008—?Painter—ICPC Live Archive
wf-2008wf-20082007–2008—?Password Suspects—ICPC Live Archive
wf-2008wf-20082007–2008—?The Sky is the Limit—ICPC Live Archive
wf-2008wf-20082007–2008—?Steam Roller—ICPC Live Archive
wf-2009wf-20092008–2009—AA Careful Approach—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—BMy Bad—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—CThe Return of Carl—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—DConduit Packing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—EFare and Balanced—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—FDeer-Proof Fence—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—GHouse of Cards—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—HThe Ministers' Major Mess—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—IStruts and Springs—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—JSubway Timing—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2009wf-20092008–2009—KSuffix-Replacement Grammars—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2010wf-20102009–2010—EChannel 3d809d96-bac6-465f-abc7-5af133b27b21—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2010wf-20102009–2010—?APL Lives! 1b1c0e2c-f934-4f3f-8e8b-82b9bc768d76—ICPC Live Archive
wf-2010wf-20102009–2010—?Barcodes 51e5c0c3-9959-437f-a444-9aef02aa890d—ICPC Live Archive
wf-2010wf-20102009–2010—?Castles 3a3def80-d803-468f-a9f6-f8dea945f86a—ICPC Live Archive
wf-2010wf-20102009–2010—?Chocolate a55e634e-e0b4-499a-ad4c-aee828366e47—ICPC Live Archive
wf-2010wf-20102009–2010—?Contour Mapping de28a440-1003-48e8-89d0-9192072515ac—ICPC Live Archive
wf-2010wf-20102009–2010—?Paperweight 9bc175fc-e64a-4cd9-9cfa-e6b8af9cc268—ICPC Live Archive
wf-2010wf-20102009–2010—?Rain 9d6a7c9f-06f4-475c-b1fe-7c2f3d635cd9—ICPC Live Archive
wf-2010wf-20102009–2010—?Robots on Ice 51a5e915-0503-4227-88d7-9ab80a3727f8—ICPC Live Archive
wf-2010wf-20102009–2010—?The Islands e8784002-2351-4460-9156-f87e4e0ecca9—ICPC Live Archive
wf-2010wf-20102009–2010—?Tracking bio-bots 6faaa052-fed4-4f0d-998a-fd67e05b4641—ICPC Live Archive
wf-2011wf-20112010–2011—BAffine Mess—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2011wf-20112010–2011—FMachine Works—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2011wf-20112010–2011—GMagic Sticks—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2011wf-20112010–2011—HMining Your Own Business—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2011wf-20112010–2011—IMummy Madness—ICPC Live Archive · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2011wf-20112010–2011—?To Add or to Multiply—ICPC Live Archive
wf-2011wf-20112010–2011—?Ancient Messages—ICPC Live Archive
wf-2011wf-20112010–2011—?Chips Challenge—ICPC Live Archive
wf-2011wf-20112010–2011—?Coffee Central—ICPC Live Archive
wf-2011wf-20112010–2011—?Pyramids—ICPC Live Archive
wf-2011wf-20112010–2011—?Trash Removal—ICPC Live Archive
wf-2012wf-20122011–2012—AAsteroid Rangers rangers f4373ae7-7ec0-4c93-b918-29ab723157dd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2012wf-20122011–2012—BCurvy Little Bottles bottles 0b00ef03-855e-4f54-8d62-6d988174002b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2012wf-20122011–2012—EInfiltration infiltration2 016b84ef-e694-42c2-b58f-8495963e5ce5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2012wf-20122011–2012—GMinimum Cost Flow minflow d1d2af85-2e99-41e2-9418-42c0c6d9df7b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2012wf-20122011–2012—LTakeover Wars takeover 055aafe5-fe88-4671-93ed-852357328fcc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2012wf-20122011–2012—?A Safe Bet safebet 7cf7d353-84eb-4a05-ae8c-3a0489c357c8—Kattis
wf-2012wf-20122011–2012—?Bus Tour bustour d33e2949-333f-4d71-b43d-7f1fb21f01ae—Kattis
wf-2012wf-20122011–2012—?Fibonacci Words fibonacci cbd970cd-3011-4f70-bedd-6fb3ee0b58ea—Kattis
wf-2012wf-20122011–2012—?Keys keys 598a6fb2-1a1f-4311-8433-f335680c51be—Kattis
wf-2012wf-20122011–2012—?Room Service roomservice c4c4009b-9d52-41ff-a873-aa254ad8f645—Kattis
wf-2012wf-20122011–2012—?Shortest Flight Path flightpath 277ba20e-bd71-402d-85fe-4e7d56e6f520—Kattis
wf-2012wf-20122011–2012—?Stacking Plates stacking db8f3aa4-15f8-468a-9424-c866547774e0—Kattis
wf-2013wf-20132012–2013—ASelf-Assembly assembly 44d3c746-70bf-4005-92f7-f9b8182f4129—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—BHey, Better Bettor bettor 3cf544bd-90f0-4d77-897a-e98f941d6f1c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—CSurely You Congest congest 2238feac-ab6c-4a81-bc0a-ff423de4196f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—EHarvard harvard fd7969a1-d138-4f4e-b2b2-c7f8eb464218—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—FLow Power low d3dba7bd-14fe-420d-a6ce-e37f76775b65—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—IPirate Chest pirate 2e19fd53-aa31-4801-b7e1-4e4dc772f05a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—KUp a Tree tree abc094ac-52b1-4902-83c3-13ac8fb1caab—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2013wf-20132012–2013—?Матрёшка matryoshka f8caad3e-c2a1-4c1e-b4f7-007a41b8659c—Kattis
wf-2013wf-20132012–2013—?Factors factors be3e0db2-89ba-498a-8661-3723bf961343—Kattis
wf-2013wf-20132012–2013—?Map Tiles maptiles 4ce0dfbe-e071-4fdc-be77-070dd375b300—Kattis
wf-2013wf-20132012–2013—?Pollution Solution pollution 32fdc820-73d1-43f3-89fb-995ace1c018b—Kattis
wf-2014wf-20142013–2014—ABaggage baggage 80409c0b-fd4e-435e-baab-65099745c231—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—BBuffed Buffet buffet d8d1eef6-095f-47fc-9ffc-ef6a70a1eb86—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—CCrane Balancing crane e991e990-3bba-449b-bcb5-31844fd5df2a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—DGame Strategy game 9e905b8a-51b5-4615-887f-7cd91863f5a3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—EMaze Reduction maze 6976ea32-c027-4306-b157-6439a48e54ca—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—FMessenger messenger 96b4b272-b38a-4391-8375-0534f01036d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—GMetal Processing Plant metal f25254de-3241-4c9d-9f4b-48b76a0adb5f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—HPachinko pachinko 4094115b-634f-48f5-8cdb-f7c629fcb36a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—JSkiing skiing 52698557-22f1-4460-b997-7a8a0c6a0519—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—LWire Crossing wire a0b65e2d-dd31-4c5e-ae35-fa7c5f618e77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2014wf-20142013–2014—?Sensor Network sensor beff4847-05d0-413b-b861-65e2cb654e7d—Kattis
wf-2014wf-20142013–2014—?Surveillance surveillance 063a1149-39ab-4269-9dac-43242f17f9cc—Kattis
wf-2015wf-20152014–2015—AAmalgamated Artichokes artichoke 33ecb026-d266-472f-bd22-e820965814a3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—BAsteroids asteroids 430213c0-5ab7-42b8-856d-f5400d6fbadc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—CCatering catering 3d866eab-674c-423c-b904-f4548868ca34—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—DCutting Cheese cheese 219c1a1f-2271-4be3-b71f-e0198f92321c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—EEvolution in Parallel evolution 264f672a-3dd6-4d91-9d05-49606de67aec—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—FKeyboarding keyboard 569ea6d3-21f6-4311-884b-4b9e0c6af76d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—HQanat qanat 65848663-4714-4e19-9d39-360191b5565c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—IShip Traffic ship 6ccd4c1a-8c11-4682-ae2e-d943a8a570d6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—JTile Cutting tiles b463973c-c4b9-4841-b169-96538d6c2757—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—KTours tours c6eb294d-5b7b-40bd-aa3d-c2693bc2dff3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—MWindow Manager windows 0e85ed46-039c-4bdd-9caf-1ca8ff370e77—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2015wf-20152014–2015—?Pipe Stream pipe c2bfe8a5-5613-4895-943b-c0a961481b5b—Kattis
wf-2015wf-20152014–2015—?Weather Report weather b04a29a0-e5f4-4c09-9030-f9b2c401077e—Kattis
wf-2016wf-20162015–2016—ABalanced Diet balanceddiet2 1d53541a-4b97-44c1-bd46-ff29d0625a04—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—CCeiling Function ceiling 1886189e-9549-4d2e-a811-368e2645a6c5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—DClock Breaking clock df91dd92-13a2-4bf4-b7be-c8a965ba2dbf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—EForever Young foreveryoung fcee8c3f-7681-4bfa-a5b1-a518f1d7c7e4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—FLongest Rivers rivers eca0a7d5-8f40-42d8-9764-467caae2af41—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—HPolygonal Puzzle puzzle2 0db17132-75fe-418e-94f3-579a9fbffb1e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—IRoad Times roadtimes e54abf51-bfb9-4391-b8b6-06e2470c7512—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—JSpin Doctor spin 9bfe7f42-b2a4-45f3-98e4-418dbca7037b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—KString Theory string a648f1aa-327f-4110-b91d-cae57c7380a8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—LSwap Space swapspace e8bcbf52-21c9-4d65-a72a-355bee51471a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—MWhat Really Happened on Mars? mars 49d92b1f-1c9b-44e6-85b0-d8612f63e88f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2016wf-20162015–2016—?Branch Assignment branch 3bc7a2bf-208f-447c-aa84-a6fc4e436f19—Kattis
wf-2016wf-20162015–2016—?Oil oil2 3667da9d-0c6d-4a0e-b77a-5d3d9ccb5070—Kattis
wf-2017wf-20172016–2017—AAirport Construction airport 94e92d21-ade0-4101-8ac2-fdbe84a6a1ed—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—BGet a Clue! clue bb74b56e-115a-49d4-8113-6889ae121d87—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—CMission Improbable improbable 71623077-8bfb-4d14-b638-458dee4d093d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—DMoney for Nothing money ab8ceb39-2a35-4822-a730-0532c8c73327—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—ENeed for Speed speed 732c3ec6-c2df-4037-826f-156c9fb0a5a1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—FPosterize posterize 002d2179-adea-4709-886f-0969bd424077—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—GReplicate Replicate Rfplicbte replicate 434b8dd3-e8ea-4192-8f67-c2cc93f62624—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—HScenery scenery 68d2493e-92f1-470f-9b6d-53a4c8c99b93—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—ISecret Chamber at Mount Rushmore secretchamber e76fcfa4-f49a-4c71-8221-e1a585955a67—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—JSon of Pipe Stream sonofpipestream 469ca97a-a4b8-403d-8f1a-6f1ea42916a6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—KTarot Sham Boast tarotshamboast fec4aab5-f076-4154-8a20-3e3ea1a0ca7a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2017wf-20172016–2017—LVisual Python++ visual ea2461a2-d49e-4789-ab1f-e0747cc2df21—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—ACatch the Plane catch 699e9417-84bd-4051-bbe2-52139545ceeb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—BComma Sprinkler comma 63845610-10c8-4e94-ba44-b58844e39bbb—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—CConquer The World conquertheworld eb078e75-a5e5-4347-b1a8-fbd705b504c6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—DGem Island gemisland 4c238479-3b6e-482e-9b31-3401a5ccdf80—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—EGetting a Jump on Crime gettingjump af9626da-0c13-4509-831f-2f4cb9ba10ca—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—FGo with the Flow gowithflow 7ffe0e19-290b-48e7-95d0-87f904cfe884—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—GPanda Preserve pandapreserve e22560cf-d2f2-4a3d-9e29-7faa9aca4768—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—HSingle Cut of Failure single 1fb3a4d0-c35b-43f2-a4a1-8a8040edb7a4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—ITriangles triangles3 3ea5e3da-3c1a-4d3f-93a4-82188d5c47bf—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—JUncrossed Knight's Tour uncrossedknights 20a24ab8-9055-4bb2-bdd4-4bc4897623ea—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2018wf-20182017–2018—KWireless is the New Fiber newfiber 7abaa2b0-a886-41d1-bc33-fe91eb7cce0a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—AAzulejos azulejos 3d91414c-e136-4035-998b-fca66d19ef2c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—BBeautiful Bridges beautifulbridges ccc8cde3-2d86-4799-95f3-a70b5e0afbda—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—CChecks Post Facto checks 70395fa4-423c-4ca5-bf45-1cf444b8fbd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—DCircular DNA circular adf84755-125f-4ccd-bd89-29099491096d—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—EDead-End Detector deadend f89e6363-8d79-405c-98d6-e71bf4b5915e—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—FDirecting Rainfall directingrainfall 777a7266-ba88-4831-9343-27f7f2785de5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—GFirst of Her Name firstofhername 12706f12-3e7c-4320-9a20-a9fdf391a602—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—HHobson's Trains hobsonstrains 0ce60c16-dcb6-46c7-8421-1059cf0cb3ee—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—IKarel the Robot karel 8d18ffdf-4eed-4bdc-a188-57838d9a2f58—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—JMiniature Golf minigolf 372d8c09-e9aa-4a95-8b79-646c363ce911—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2019wf-20192018–2019—KTraffic Blights trafficblights 5f5cc490-af4c-407f-8d0f-4fc606ad679a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—ACardiology cardiology 04069d57-2c04-46df-8d1f-caab78a581ee—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—BThe Cost of Speed Limits speedlimit2 add64f88-f75a-4eb8-873e-6f157b02bc41—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—CDomes domes 1844a8c1-65dc-404d-8b46-b79af57b9f8a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—DGene Folding genefolding 061afc67-de44-4de2-a726-40c27faff3d3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—ELandscape Generator landscape 0e7f5aad-aa04-4ca9-8056-21421a1c5af6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—FLey Lines leylines fbb7477a-3605-42ae-a73e-e1da4362bc0a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—GOpportunity Cost opportunity 00e8c393-3d4a-4a5f-8e6b-c26daa67ef8b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—HQC QC qcqc 61352083-28f6-44f5-a066-290caa37cd03—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—IQuests quests 0c3c7332-6662-4c40-88f0-c452f1a490dc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—J'S No Problem snoproblem 646ed960-8939-42d6-a573-2dec8ef6da2c—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—KSpace Walls space 48cf7acb-7d40-4a9e-b9c0-66238d51efb9—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—LSweep Stakes sweepstakes 430d8bf0-74e0-4e64-ab8f-c240eec4d781—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—MTrailing Digits trailingdigits d884dca4-cccb-49c2-9ba6-0fc651eae323—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—NWhat's Our Vector, Victor? vector 1f5b0533-7667-49fd-9ce1-dcf3090390ae—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2020wf-20202019–2020—OWhich Planet is This?! planets a4318e40-f207-419a-988f-55f1ba3c1dd2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—ACrystal Crosswind crystalcrosswind 910bfa5c-6bbc-416f-b987-9d3778b1a378—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—BDungeon Crawler dungeoncrawler e99ca397-cb52-40f5-953e-141e195ef8a2—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—CFair Division fairdivision2 8005e225-2ef2-4d72-afd2-3cf4d4837659—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—DGuardians of the Gallery guardiansofthegallery a793e3f2-04a0-47e5-a74b-463234b9faf8—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—EHand of the Free Marked handofthefreemarked 7c4518ce-a9c1-40b5-939d-d11c8f7a1262—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—FIslands from the Sky islandsfromthesky d89c6a4d-cdf3-4b7e-96e0-41dfa8771322—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—GMosaic Browsing mosaicbrowsing a30a3a1f-9e54-49e1-831d-bdf915ff3238—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—HPrehistoric Programs prehistoricprograms 896c3478-fdaa-46a6-b081-15152398317a—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—ISpider Walk spiderwalk 0c227cc5-3713-4d2e-8120-2b5fb806bf04—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—JSplitstream splitstream 8379a797-fa5e-4581-a3bb-39b942dc3255—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—KTake On Meme takeonmeme 7021d29c-8fd6-485a-89b9-d01b38f3bd01—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2021wf-20212020–2021—LWhere Am I? whereami 43504091-58f1-4101-8c6e-e5d5156c2b3b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—PTurning Red turningred b7109a6b-5361-4f28-abda-d17b16530830—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—QDoing the Container Shuffle doingthecontainershuffle 10a89c5d-7610-46cd-be4a-9d5ac1934f3f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—RZoo Management zoomanagement 870a5772-7253-4f9f-9ecf-03bfca708a8f—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—SBridging the Gap bridgingthegap ca5c23c6-cd19-4468-ad2d-aca25dd2ab43—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—TCarl's Vacation carlsvacation 85576a7b-64bb-4d5b-9749-856f1d7f26fc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—UToy Train Tracks toytraintracks f672bb36-b7d1-42d4-9fb0-a2dd12c343dc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—VThree Kinds of Dice threekindsofdice 2b02dc14-f1c1-44d1-bdca-3038d8fd3a30—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—WRiddle of the Sphinx riddleofthesphinx e7f0a6e8-054b-4762-a48d-8d3cbd8f36fd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—XQuartets quartets 0542becf-18b6-4704-a0b8-901eafbf00d5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—YCompression compression2 564bad5c-2f27-4d37-9d57-1ca774377fd3—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2022wf-20222021–2022—ZArchaeological Recovery archaeologicalrecovery b0a511f1-4099-43c2-a818-1a9b9eb80ab1—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—ARiddle of the Sphinx riddleofthesphinx e7f0a6e8-054b-4762-a48d-8d3cbd8f36fd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—BSchedule schedule dd593182-4417-4615-9c75-61462104484b—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—CThree Kinds of Dice threekindsofdice 2b02dc14-f1c1-44d1-bdca-3038d8fd3a30—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—DCarl's Vacation carlsvacation 85576a7b-64bb-4d5b-9749-856f1d7f26fc—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—EA Recurring Problem arecurringproblem a38743e6-92ba-4cfb-afd1-67d5ffa129f5—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—FTilting Tiles tiltingtiles d9e736d6-22b1-48d0-87c2-2a2d84eb98fd—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—GTurning Red turningred b7109a6b-5361-4f28-abda-d17b16530830—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—HJet Lag jetlag ff2f6795-905d-4f7e-a1b6-9e9fac5f3206—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—IWaterworld waterworld d16b284c-76c9-4166-a4ed-133fe2c5f9a4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—JBridging the Gap bridgingthegap ca5c23c6-cd19-4468-ad2d-aca25dd2ab43—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2023wf-20232022–2023—KAlea Iacta Est aleaiactaest 0bb93802-d408-4492-84d7-695243396864—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—BBingo for the Win! bingoforthewin b7f1b8e4-b38c-4cde-bd9c-d350a74d5811—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—CCitizenship citizenship b064843c-e852-4f0c-9a91-31e46b899cb6—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—DDoubles Horseback Wrestling doubleshorsebackwrestling 1f872388-bd6e-469e-b0c8-06b826ad6350—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—EFlipping Container flippingcontainer 20280174-412c-4a18-83df-f8a6e607cff4—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—FFriendly Rivalry friendlyrivalry 1c8cb1a3-d321-40eb-bb88-3cdad3273740—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—HMaxwell's Demon maxwellsdemon 1a33a3b1-7d1b-4fe1-901d-abbd9a2a3628—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—ISteppe on It steppeonit 768f1e72-6ac9-4e02-8ecf-35d9df4a0b50—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—JThe Silk Road ... with Robots! thesilkroad d93703e5-771f-47b4-901c-1bb8d8d58c75—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—KTower of noiHa towerofnoiha 4c029eb0-44aa-4268-a1a6-1408b7278365—Kattis · Baekjoon Online Judge (wayback) closed 2026-04-28
wf-2024wf-20242023–2024—?Billboards billboards 6fd044e8-1a31-425a-b6f0-a1491385f5c6—Kattis
wf-2024wf-20242023–2024—?Kindergarten kindergarten2 d7ac8d38-7769-47f2-aab3-a7a789f0e084—Kattis
wf-2024wf-20242023–2024—?Where Am I Now? whereaminow a4112c9f-5d12-46ec-8c90-a72c844e9d74—Kattis
wf-2025wf-20252024–2025—AA-Skew-ed Reasoning askewedreasoning 8ee7605a-18fd-877a-123f-93575678553b—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—BBlackboard Game blackboardgame fdc17b7a-dc27-4654-9c13-eb08d08b6098—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—CBride of Pipe Stream brideofpipestream 688d393a-8d50-40c0-b1d2-cefd026f0bdc—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—DBuggy Rover buggyrover 8ee7605a-6707-8bef-3b8d-717bcb9b37a6—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—EDelivery Service deliveryservice f1ca73cd-916d-4ed2-bcf3-b15fef8a13a2—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—FHerding Cats herdingcats 0371cea4-acce-4a5a-b3f0-794cad45547a—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—GLava Moat lavamoat 8ee7605a-ff89-88c5-2a73-1d3dd37138be—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—HScore Values scorevalues f4634800-74f0-4bcf-8a15-be85e4dee73f—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—JStacking Cups stackingcups 2ad96c02-8082-4c5c-ad23-f09b59322f89—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—KTreasure Map treasuremap2 1b66b3c3-2f4e-4569-a1dd-6ebbbd43aa6d—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—LWalking on Sunshine walkingonsunshine 7f6329f0-ba18-40e3-bed0-4a057343330b—Baekjoon Online Judge (wayback) closed 2026-04-28 · Kattis
wf-2025wf-20252024–2025—?Slot Machine slotmachine 8ee7605a-91e6-8b45-360e-430ea0aeafa3—Kattis
xian-2002xian-20022002–2003Asia EastBCoding of Permutations—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastCCabric Number Problem—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastDNumber of Locks—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastENecklace of Beads—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastFQuantity of White Mice—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastGColor Change of Go Game Pieces—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastHPlacement of Keys—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2002xian-20022002–2003Asia EastISelecting the Optimal Teaching Fiends—Baekjoon Online Judge (wayback) closed 2026-04-28
xian-2017xian-20172017–2018Asia EastAXOR—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastBLovers—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastCNaomi with Array—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastDIsland—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastENaomi with Graph—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastFGod of Gamblers—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastGSum of xor sum—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastHArrangement for Contests—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastIAcedia—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastJLOL—Luogu 洛谷 (Luògǔ)
xian-2017xian-20172017–2018Asia EastKLOVER II—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Azalea Garden—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Beautiful Dangos—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Catch the Monster—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Directed Acyclic Graph—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Epilogue of Happiness—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Follow the Penguins—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Grand Voting—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Heart of Darkness—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Imagined Holly—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?January's Color—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Killing Bits—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Let's Make a Convex!—Luogu 洛谷 (Luògǔ)
xian-2025xian-20252025–2026Asia East?Mystique as Iris—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastARikka with Minimum Spanning Trees—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastBRikka with Line Graphs—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastCRikka with Consistency—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastDRikka with Subsequences—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastERikka with Data Structures—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastFRikka with Nice Counting Striking Back—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastGRikka with Intersections of Paths—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastHRikka with A Long Colour Palette—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastIRikka with Sorting Networks—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastJRikka with An Unnamed Temple—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastKRikka with Ants—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastLRikka with Grid Graphs—Luogu 洛谷 (Luògǔ)
xuzhou-2018xuzhou-20182018–2019Asia EastMRikka with Illuminations—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastACat—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastBCats line up—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastC<3 numbers—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastDPolycut—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastEMultiply—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastFThe Answer to the Ultimate Question of Life, The Universe, and Everything.—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastGFactory—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastHYuuki and a problem—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastIInteresting game—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastJLoli, Yen-Jen, and a graph problem—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastKK-rectangle—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastLLoli, Yen-Jen, and a cool problem—Luogu 洛谷 (Luògǔ)
xuzhou-2019xuzhou-20192019–2020Asia EastMKill the tree—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastAGirls Band Party—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastBSo Easy—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastCImage Processing—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastDEasy Problem—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastEXOR Tree—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastFFunction!—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastGPot!!—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastHDelivery Route—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastIBase62—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastJToad's Travel—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastKLargest Common Submatrix—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastLXian Xiang—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastMCrazy Cake—Luogu 洛谷 (Luògǔ)
yinchuan-2019yinchuan-20192019–2020Asia EastNFibonacci Sequence—Luogu 洛谷 (Luògǔ)