| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 1507 | 1507 死鱼工厂 | 3 / 28 | 9 | |
| 1210 | USACO421 Drainage Ditches | 0 / 0 | 8 | |
| 1211 | USACO422 The Perfect Stall | 0 / 0 | 6 | |
| 1219 | USACO442 Pollutant Control | 0 / 0 | 8 | |
| 1235 | USACO545 Telecowmunication | 0 / 0 | 8 | |
| 1254 | USACOC2111B Routing Schemes | 0 / 0 | 8 |