ICPC contest archive
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Solved problems:
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ID
Title
Source
Authors
Difficulty
1053
Pinocchio
NEERC 2000 Central Subregional
4479
344
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2392
643
1055
Combinations
NEERC 2000 Central Subregional
3628
424
1056
Centers of the Net
NEERC 2000 Central Subregional
2787
552
1057
Amount of Degrees
NEERC 2000 Central Subregional
2140
718
1058
Chocolate
NEERC 2000 Central Subregional
558
2711
1059
Expression
NEERC 2000 Central Subregional
2259
680
1133
Fibonacci Sequence
NEERC 2001 Central Subregional
2267
225
1134
Cards
NEERC 2001 Central Subregional
2587
197
1135
Recruits
NEERC 2001 Central Subregional
3182
160
1136
Parliament
NEERC 2001 Central Subregional
5105
100
1137
Bus Routes
NEERC 2001 Central Subregional
1607
316
1138
Integer Percentage
NEERC 2001 Central Subregional
2502
204
1139
City Blocks
NEERC 2001 Central Subregional
6528
78
1140
Swamp Incident
NEERC 2001 Central Subregional
1327
383
1158
Censored!
NEERC 2001 Northern Subregional
1015
500
1159
Fence
NEERC 2001 Northern Subregional
672
751
1160
Network
NEERC 2001 Northern Subregional
3687
140
1161
Stripies
NEERC 2001 Northern Subregional
5511
93
1162
Currency Exchange
NEERC 2001 Northern Subregional
2765
185
1163
Chapaev
NEERC 2001 Northern Subregional
130
3660
1164
Fillword
NEERC 2001 Northern Subregional
2463
207
1165
Subnumber
NEERC 2001 Northern Subregional
548
918
1166
Funny Card Game
NEERC 2001 Northern Subregional
145
3379
1224
Spiral
NEERC 2002 Central Subregional
7913
65
1225
Flags
NEERC 2002 Central Subregional
14800
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4532
114
1227
Rally Championship
NEERC 2002 Central Subregional
1708
302
1228
Array
NEERC 2002 Central Subregional
4756
109
1229
Strong Brickwork
NEERC 2002 Central Subregional
1333
386
1230
Introspective Program
NEERC 2002 Central Subregional
643
793
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
231
2149
1232
Asteroid Landing
NEERC 2002 Central Subregional
213
2323
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
763
678
1275
Knights of the Round Table
NEERC 2003 Central Subregional
223
2249
1276
Train
NEERC 2003 Central Subregional
707
731
1277
Cops and Thieves
NEERC 2003 Central Subregional
599
861
1278
“… Connecting People”
NEERC 2003 Central Subregional
523
983
1279
Warehouse
NEERC 2003 Central Subregional
1225
424
1280
Topological Sorting
NEERC 2003 Central Subregional
3721
140
1281
River Basin
NEERC 2003 Central Subregional
286
1770
1282
Game Tree
NEERC 2003 Central Subregional
1539
338
1500
Pass Licenses
NEERC 2006 Eastern Subregional
763
641
1501
Sense of Beauty
NEERC 2006 Eastern Subregional
1842
268
1502
Domino Dots
NEERC 2006 Eastern Subregional
6702
74
1503
Polynomial
NEERC 2006 Eastern Subregional
280
1710
1504
Good Manners
NEERC 2006 Eastern Subregional
218
2175
1505
Oil Transfer
NEERC 2006 Eastern Subregional
167
2801
1506
Columns of Numbers
NEERC 2006 Eastern Subregional
3698
134
1507
Difficult Decision
NEERC 2006 Eastern Subregional
1100
447
1508
Japanese Puzzle
NEERC 2006 Eastern Subregional
307
1564
1509
Domino Recognition
NEERC 2006 Eastern Subregional
144
3219
1510
Order
NEERC 2006 Eastern Subregional
5710
87
1582
Bookmakers
NEERC 2007 Eastern Subregional
3749
123
1583
Cheese
NEERC 2007 Eastern Subregional
245
1814
1584
Pharaohs’ Secrets
NEERC 2007 Eastern Subregional
339
1325
1585
Penguins
NEERC 2007 Eastern Subregional
12173
38
1586
Threeprime Numbers
NEERC 2007 Eastern Subregional
3207
144
1587
Flying Pig
NEERC 2007 Eastern Subregional
555
819
1588
Jamaica
NEERC 2007 Eastern Subregional
1405
327
1589
Sokoban
NEERC 2007 Eastern Subregional
22
14456
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2476
186
1591
Abstract Thinking
NEERC 2007 Eastern Subregional
432
1047
1592
Chinese Watches
NEERC 2007 Eastern Subregional
777
588
1649
Abstractionism to the People
NEERC 2008 Eastern Subregional
57
6429
1650
Billionaires
NEERC 2008 Eastern Subregional
2463
174
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1235
346
1652
Banking Crisis
NEERC 2008 Eastern Subregional
155
2610
1653
Death Conveyor
NEERC 2008 Eastern Subregional
65
5743
1654
Cipher Message
NEERC 2008 Eastern Subregional
7169
60
1655
Somali Pirates
NEERC 2008 Eastern Subregional
227
1817
1656
Far Away Kingdom's Army
NEERC 2008 Eastern Subregional
2081
206
1657
Cube Snake
NEERC 2008 Eastern Subregional
273
1522
1658
Sum of Digits
NEERC 2008 Eastern Subregional
2108
203
1659
Regular Triangles
NEERC 2008 Eastern Subregional
653
650
1711
Code Names
NEERC 2009 Eastern Subregional
2977
135
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4651
86
1713
Key Substrings
NEERC 2009 Eastern Subregional
626
633
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
119
3122
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
389
1009
1716
Alternative Solution
NEERC 2009 Eastern Subregional
544
727
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
176
2166
1718
Rejudge
NEERC 2009 Eastern Subregional
1294
309
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
269
1444
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
404
973
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
683
581
1800
Murphy's Law
NEERC 2010 Eastern Subregional
2190
170
1801
The Revolution Cup
NEERC 2010 Eastern Subregional
65
4972
1802
Cube Puzzle
NEERC 2010 Eastern Subregional
171
2060
1803
The Czechs' Rifles
NEERC 2010 Eastern Subregional
511
716
1804
The Machinegunners in a Playoff
NEERC 2010 Eastern Subregional
897
411
1805
Chapaev and a Cipher Grille
NEERC 2010 Eastern Subregional
360
1008
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
2089
178
1807
Cartridges for Maxim
NEERC 2010 Eastern Subregional
243
1474
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
190
1865
1809
Chapaev and Potatoes
NEERC 2010 Eastern Subregional
614
598
1885
Passenger Comfort
NEERC 2011 Eastern Subregional
1846
186
1886
Trip 2
NEERC 2011 Eastern Subregional
159
2047
1887
Frequent Flyer Card
NEERC 2011 Eastern Subregional
314
1068
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
737
463
1889
Airport Announcements
NEERC 2011 Eastern Subregional
1112
308
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
736
464
1891
Language Ocean
NEERC 2011 Eastern Subregional
477
710
1892
Morning in Koltsovo
NEERC 2011 Eastern Subregional
381
885
1893
A380
NEERC 2011 Eastern Subregional
5757
60
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
238
1395
1895
Steaks on Board
NEERC 2011 Eastern Subregional
156
2084
1910
Titan Ruins: Hidden Entrance
NEERC 2012 Eastern Subregional
9344
34
1911
Titan Ruins: Overtaking Fire
NEERC 2012 Eastern Subregional
67
4162
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
243
1267
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
161
1874
1914
Titan Ruins: Serial Control
NEERC 2012 Eastern Subregional
77
3684
1915
Titan Ruins: Reconstruction of Bygones
NEERC 2012 Eastern Subregional
1393
228
1916
Titan Ruins: Waiting for Stability
NEERC 2012 Eastern Subregional
96
3023
1917
Titan Ruins: Deadly Accuracy
NEERC 2012 Eastern Subregional
1315
242
1918
Titan Ruins: Artful Manipulations
NEERC 2012 Eastern Subregional
332
937
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
145
2068
1920
Titan Ruins: the Infinite Power of Magic
NEERC 2012 Eastern Subregional
431
727
1990
Podracing
NEERC 2013 Eastern Subregional
268
1061
1991
The battle near the swamp
NEERC 2013 Eastern Subregional
6111
48
1992
CVS
NEERC 2013 Eastern Subregional
783
372
1993
This cheeseburger you don't need
NEERC 2013 Eastern Subregional
1433
204
1994
The Emperor's plan
NEERC 2013 Eastern Subregional
271
1050
1995
Illegal spices
NEERC 2013 Eastern Subregional
470
615
1996
Cipher Message 3
NEERC 2013 Eastern Subregional
228
1239
1997
Those are not the droids you're looking for
NEERC 2013 Eastern Subregional
526
550
1998
The old Padawan
NEERC 2013 Eastern Subregional
771
378
1999
The secret module
NEERC 2013 Eastern Subregional
42
5673
2012
About Grisha N.
NEERC 2014 Eastern Subregional
16132
17
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
279
940
2014
Zhenya moves from parents
NEERC 2014 Eastern Subregional
487
547
2015
Zhenya moves from the dormitory
NEERC 2014 Eastern Subregional
896
300
2016
Magic and Science
NEERC 2014 Eastern Subregional
34
6177
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
194
1332
2018
The Debut Album
NEERC 2014 Eastern Subregional
2660
102
2019
Pair: normal and paranormal
NEERC 2014 Eastern Subregional
904
297
2020
Traffic Jam in Flower Town
NEERC 2014 Eastern Subregional
1664
162
2021
Scarily interesting!
NEERC 2014 Eastern Subregional
578
462
2022
Riding a Toad
NEERC 2014 Eastern Subregional
67
3530
2023
Donald is a postman
NEERC 2014 Eastern Subregional
6834
40
2074
Timus problems classifier
NEERC 2015 Eastern Subregional Qualifier
236
976
2075
Take care of your eyebrows!
NEERC 2015 Eastern Subregional Qualifier
82
2609
2076
Vasiana
NEERC 2015 Eastern Subregional Qualifier
29
6155
2077
Reductions
NEERC 2015 Eastern Subregional Qualifier
29
6155
2190
Match of the Millennium
ICPC Ural Regional Contest Qualifier 2022
44
1081
2191
Piecewise Linear Functions
ICPC Ural Regional Contest Qualifier 2022
23
1764
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
53
926
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
30
1455
2194
Snakes&Snakes
ICPC Ural Regional Contest Qualifier 2023
108
495
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
28
1536
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
26
1616
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
25
1667
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
37
1240
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
42
1122
2216
Big Elevator
ICPC Ural Regional Contest Qualifier 2025
48
661
2217
Binary Sort
ICPC Ural Regional Contest Qualifier 2025
60
548
2218
Prorun
ICPC Ural Regional Contest Qualifier 2025
36
833
2219
Philosophical Question
ICPC Ural Regional Contest Qualifier 2025
36
832
2220
Reciprocal of GCD
ICPC Ural Regional Contest Qualifier 2025
45
697
2221
Convex Hull Treap
ICPC Ural Regional Contest Qualifier 2025
24
1126
2222
Cavalry Battle Advanced
ICPC Ural Regional Contest Qualifier 2025
24
1126
Solved problems:
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