| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 75 | CSP201412D 最优灌溉 | 43 / 102 | 3 | |
| 561 | CSP201703D 地铁修建 | 40 / 153 | 2 | |
| 245 | EXER0204 最短路径 | 4 / 36 | 3 | |
| 111 | THU20151D 货物运输 | 55 / 159 | 2 | |
| 222 | THU20161D 矩阵树 | 6 / 13 | 4 |
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