| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 969 | T390 选数 | 0 / 0 | (None) | |
| 1004 | T425 FBI树 | 0 / 0 | (None) | |
| 1084 | T505 【USACO2.1】健康的荷斯坦奶牛 | 0 / 0 | (None) | |
| 1101 | T522 【NOIP2002-J2】选数 | 0 / 0 | (None) | |
| 1209 | T628 FBI树 | 0 / 0 | (None) | |
| 1289 | T708 【USACO2.1】健康的荷斯坦奶牛 | 0 / 0 | (None) | |
| 1306 | T725 【NOIP2002-J2】选数 | 0 / 0 | (None) |