| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 5159 | P1037 [NOIP 2002 普及组] 产生数 | 0 / 0 | 5 | |
| 6556 | P2419 [USACO08JAN] Cow Contest S | 4 / 9 | 5 | |
| 7600 | P3416 [USACO16DEC] Moocast S | 0 / 0 | 5 | |
| 8386 | P4306 [JSOI2010] 连通数 | 1 / 1 | 5 | |
| 9951 | P5839 [USACO19DEC] Moortal Cowmbat G | 0 / 0 | 7 | |
| 12625 | P8186 [USACO22FEB] Redistributing Gifts S | 0 / 0 | 6 | |
| 16916 | P12043 [USTCPC 2025] 图上交互题4 / Constructive Shortest Path | 0 / 0 | 6 | |
| 18674 | P13167 [GCJ 2017 #1B] Pony Express | 0 / 0 | 6 | |
| 19025 | P13519 [KOI 2025 #2] 通行费 | 0 / 0 | 6 | |
| 19153 | P13648 [NOISG 2016] Rock Climbing | 0 / 0 | 8 |