| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 7071 | P2893 [USACO08FEB] Making the Grade G | 2 / 4 | 5 | |
| 6584 | P3642 [APIO2016] 烟花表演 | 0 / 0 | 7 | |
| 8397 | P4331 [BalticOI 2004] Sequence 数字序列 | 0 / 0 | 6 | |
| 8681 | P4597 序列 sequence | 1 / 1 | 6 | |
| 14683 | P9962 [THUPC 2024 初赛] 一棵树 | 0 / 0 | 7 | |
| 16462 | P11598 [NOISG 2018 Finals] Safety | 0 / 0 | 6 | |
| 17045 | P12074 [OOI 2025] The arithmetic exercise | 0 / 0 | 7 |