| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 75 | CSP201412D 最优灌溉 | 12 / 20 | 3 | |
| 561 | CSP201703D 地铁修建 | 2 / 4 | 2 | |
| 245 | EXER0204 最短路径 | 1 / 5 | 3 | |
| 111 | THU20151D 货物运输 | 21 / 56 | 2 | |
| 222 | THU20161D 矩阵树 | 2 / 4 | 4 |
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