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| F.A.Qs | Home | Discuss | ProblemSet | Status | Ranklist | Contest | 入门OJ | Login | Register |
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| Problem ID | Title | Source | AC | Submit | ||
| 3300 | [USACO2011 Feb]Best Parenthesis | Silver | 189 | 362 | ||
| 3305 | Catalan数 | By 2255 | 70 | 113 | ||
| 3309 | DZY Loves Math | 1181 | 1824 | |||
| 3316 | JC loves Mkk | By dzy | 472 | 1352 | ||
| 3319 | 黑白树 | 313 | 970 | |||
| 3328 | PYXFIB | By Wcmg | 307 | 714 | ||
| 3329 | Xorequ | By Wcmg | 866 | 2037 | ||
| 3330 | [BeiJing2013]分数 | 244 | 635 | |||
| 3331 | [BeiJing2013]压力 | 464 | 1346 | |||
| 3332 | 旧试题 | kanari提供题面和标程，zhonghaoxi提供数据 | 133 | 289 | ||
| 3337 | ORZJRY I | by orzjry | 159 | 427 | ||
| 3353 | [ioi2009]Archery | 13 | 26 | |||
| 3398 | [Usaco2009 Feb]Bullcow 牡牛和牝牛 | Silver | 511 | 824 | ||