| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 410 | ecnu20182D 定西 | 5 / 7 | 1 | |
| 411 | ecnu20182E 热河路 | 3 / 10 | 2 | |
| 412 | ecnu20182F 庙会 | 3 / 3 | 1 | |
| 413 | ecnu20191A 差 | 7 / 15 | 1 | |
| 414 | ecnu20191B 三 | 6 / 21 | 1 | |
| 415 | ecnu20191C 和 | 5 / 11 | 2 | |
| 416 | ecnu20191D 双 | 2 / 11 | 6 | |
| 457 | ecnu20201A 钥匙 | 2 / 7 | 2 | |
| 458 | ecnu20201B 上古计算机 | 2 / 9 | 2 | |
| 459 | ecnu20201C 安全驾驶 | 5 / 14 | 1 | |
| 460 | ecnu20201D 表面积 | 4 / 5 | 1 | |
| 461 | ecnu20201E 达到回文数 | 3 / 5 | 1 | |
| 491 | fdu20121C 字符串的重复输出 | 4 / 6 | 1 | |
| 158 | patadv1066 AVL 树的根 | 1 / 2 | 4 | |
| 242 | pattop1029 数列切分 | 1 / 1 | 4 | |
| 502 | sjtu20141A 全排列 | 2 / 4 | 2 | |
| 503 | sjtu20141B 字符串重排 | 1 / 4 | 3 | |
| 504 | sjtu20141C 矩阵分组 | 1 / 1 | 4 |
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