| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 1 | USACOC1111A Above the Median | 0 / 0 | (无) | |
| 10 | USACOC1111B Binary Sudoku | 0 / 0 | (无) | |
| 19 | USACOC1111C Cow Steeplechase | 0 / 0 | (无) | |
| 27 | USACOC1912A Cow Poetry | 0 / 0 | (无) | |
| 59 | USACOC1912B Sleepy Cow Sorting | 0 / 0 | (无) | |
| 60 | USACOC1912C ShortCut | 0 / 0 | (无) | |
| 113 | USACOC2111A United Cows of Farmer John | 0 / 0 | (无) | |
| 41 | USACOC2112B Portals | 0 / 0 | (无) | |
| 42 | USACOC2112C Permutation | 0 / 0 | (无) | |
| 11 | USACOC2212C Bracelet Crossings | 0 / 0 | (无) |