| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 119 | USACOC1911A 重新分区 | 0 / 0 | (无) | |
| 120 | USACOC1911B 晨跑路线 | 0 / 0 | (无) | |
| 121 | USACOC1911C 列车追踪 | 0 / 0 | (无) | |
| 28 | USACOC1921A Cow Dating | 0 / 0 | (无) | |
| 62 | USACOC1921B Moorio Kart | 0 / 0 | (无) | |
| 113 | USACOC2111A United Cows of Farmer John | 0 / 0 | (无) | |
| 40 | USACOC2111B Routing Schemes | 0 / 0 | (无) | |
| 9 | USACOC2111C Balanced Subsets | 0 / 0 | (无) | |
| 114 | USACOC2211A Tickets | 0 / 0 | (无) | |
| 45 | USACOC2211B Paired Up | 0 / 0 | (无) | |
| 46 | USACOC2211C HILO | 0 / 0 | (无) |