比赛链接
| 题号 | 题目 | 通过率 |
|---|---|---|
| A | Clam and Fish | 1453/4902 |
| B | Classical String Problem | 1547/6542 |
| C | Operation Love | 1431/5631 |
| D | Points Construction Problem | 548/2238 |
| E | Two Matchings | 943/4141 |
| F | Fraction Construction Problem | 1034/6445 |
| G | Operating on a Graph | 972/4259 |
| H | Sort the Strings Revision | 200/767 |
| I | Sorting the Array | 31/99 |
| J | Operating on the Tree | 30/64 |
| K | Eleven Game | 15/211 |
| L | Problem L is the Only Lovely Problem | 1520/1973 |
)
![P7097-[yLOI2020]牵丝戏【dp】](http://pic.xiahunao.cn/P7097-[yLOI2020]牵丝戏【dp】)
![[HNOI2013]消毒 (匈牙利最大匹配)](http://pic.xiahunao.cn/[HNOI2013]消毒 (匈牙利最大匹配))
![[NOI2009] 变换序列 (匈牙利最大匹配)](http://pic.xiahunao.cn/[NOI2009] 变换序列 (匈牙利最大匹配))
)
)