| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 289 | CSP202512D C 形阵 | 21 / 537 | 5 | |
| 234 | THU20193A 鸽子窝 | 5 / 12 | 6 | |
| 53 | THU20211C Combine | 6 / 24 | 7 | |
| 14 | THU20212C Phi 的游戏 | 2 / 29 | 7 | |
| 215 | THU20231C 互质数 | 7 / 18 | 6 |
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