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| Problem ID | Title | Source | AC | Submit | |
| Problem ID | Title | Source | AC | Submit | |
| 3305 | Catalan数 | By 2255 | 35 | 52 | |
| 3309 | DZY Loves Math | 84 | 284 | ||
| 3316 | JC loves Mkk | By dzy | 132 | 481 | |
| 3328 | PYXFIB | By Wcmg | 32 | 101 | |
| 3329 | Xorequ | By Wcmg | 60 | 171 | |
| 3330 | [BeiJing2013]分数 | 53 | 118 | ||
| 3331 | [BeiJing2013]压力 | 60 | 187 | ||
| 3332 | 旧试题 | kanari提供题面和标程,zhonghaoxi提供数据 | 28 | 58 | |
| 3333 | 排队计划 | wyx528命题 | 96 | 222 | |
| 3337 | ORZJRY I | by orzjry | 16 | 96 | |
| 3351 | [ioi2009]Regions | 35 | 115 | ||
| 3352 | [ioi2009]旅行商 | 18 | 45 | ||
| 3353 | [ioi2009]Archery | 2 | 2 | ||
| 3354 | [ioi2009]Hiring | 28 | 56 | ||
| 3387 | [Usaco2004 Dec]Fence Obstacle Course栅栏行动 | Gold | 31 | 66 | |