| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 729 | CCSP2025C 云函数序列 | 3 / 14 | 7 | |
| 552 | CSP201912E 魔数 | 3 / 49 | 8 | |
| 546 | CSP202104D 校门外的树 | 22 / 141 | 3 | |
| 547 | CSP202104E 疫苗运输 | 5 / 82 | 9 | |
| 590 | CSP202312B 因子化简 | 226 / 875 | 1 | |
| 139 | CSP202503D 集体锻炼 | 146 / 1439 | 4 | |
| 289 | CSP202512D C 形阵 | 43 / 1069 | 5 | |
| 713 | CSP202512D2 C 形阵 - 加强版 | 5 / 46 | 9 | |
| 234 | THU20193A 鸽子窝 | 22 / 129 | 6 | |
| 53 | THU20211C Combine | 16 / 80 | 7 | |
| 14 | THU20212C Phi 的游戏 | 15 / 73 | 7 | |
| 206 | THU20221C 初等数论 | 14 / 47 | 8 | |
| 215 | THU20231C 互质数 | 23 / 70 | 6 | |
| 702 | cacc20262D David 的抽卡活动 | 2 / 9 | 8 | |
| 443 | ecnu20172H 奇数统计 | 2 / 2 | 4 | |
| 448 | ecnu20173F 又是 GCD | 1 / 5 | 4 | |
| 450 | ecnu20173G 解方程 | 1 / 3 | 4 |
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