| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 438 | ecnu20172C 排队买夜宵 | 3 / 7 | 1 | |
| 444 | ecnu20173C 我认识你 | 1 / 6 | 2 | |
| 446 | ecnu20173C2 我认识你 - 加强版 | 1 / 10 | 4 | |
| 448 | ecnu20173F 又是 GCD | 1 / 5 | 4 |
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