| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 552 | CSP201912E 魔数 | 1 / 5 | 8 | |
| 546 | CSP202104D 校门外的树 | 1 / 2 | 3 | |
| 547 | CSP202104E 疫苗运输 | 1 / 10 | 7 | |
| 139 | CSP202503D 集体锻炼 | 49 / 479 | 4 | |
| 289 | CSP202512D C 形阵 | 6 / 71 | 5 | |
| 234 | THU20193A 鸽子窝 | 4 / 7 | 6 | |
| 53 | THU20211C Combine | 3 / 14 | 7 | |
| 14 | THU20212C Phi 的游戏 | 2 / 28 | 7 | |
| 206 | THU20221C 初等数论 | 1 / 1 | 8 | |
| 215 | THU20231C 互质数 | 1 / 1 | 6 | |
| 443 | ecnu20172H 奇数统计 | 1 / 1 | 4 | |
| 448 | ecnu20173F 又是 GCD | 1 / 5 | 4 | |
| 450 | ecnu20173G 解方程 | 1 / 2 | 4 |
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