| # | problem | internal id | held | solve online | notes |
|---|
| A | Matrix Equation | p-8555e1a6 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| B | Number Game | p-df69fd03 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| C | Stone Game | p-deac0484 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| D | Fight against involution | p-1451f6a1 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| E | Tree Transform | p-d500c3d2 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| F | Gcd Product | p-2ff676e1 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| G | Xor Transformation | p-561e04e5 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| H | Path Killer | p-ac31dcdb | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| I | Random Walk On Tree | p-e0459443 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| J | Tree Constructer | p-e0307a4f | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| K | Kth Query | p-1bf735d0 | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| L | Bit Sequence | p-cf4afbab | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |
| M | Cook Pancakes! | p-8b674abc | — | NowCoder 牛客竞赛 (Niúkè, 'cow guest') | |