| # | problem | internal id | held | solve online | notes |
|---|
| A | Ah, It's Yesterday Once More | p-625a292d | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| B | Baby's First Suffix Array Problem | p-bb0e13c1 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| C | Certain Scientific Railgun | p-d2091811 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| D | Degree of Spanning Tree | p-b9449fea | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| E | Evil Coordinate | p-a357d97b | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| F | Fireworks | p-428aaa35 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| G | Go | p-8d53be00 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| H | Harmonious Rectangle 1aea3183-979c-4e6d-a0de-da0588b3f592 | p-3a180b13 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| I | Interested in Skiing | p-cefb9776 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| J | Just Another Game of Stones | p-b03c5f06 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| K | K Co-prime Permutation | p-c61f137d | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| L | Let's Play Curling | p-f5daf070 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |
| M | Monster Hunter | p-50f41655 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') · Luogu 洛谷 (Luògǔ) · Codeforces Gym | |