| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 263 | CSP202506D 月票发行 | 22 / 281 | 4 | |
| 289 | CSP202512D C 形阵 | 21 / 537 | 5 | |
| 112 | THU20151E 新建道路 | 6 / 89 | 5 | |
| 39 | THU20211B Friend | 9 / 71 | 7 | |
| 209 | THU20222C 圆上计数 | 10 / 78 | 4 | |
| 215 | THU20231C 互质数 | 7 / 18 | 6 | |
| 450 | ecnu20173G 解方程 | 1 / 2 | 4 |
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