| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 1852 | P1090 [NOIP2004 提高组] 合并果子 / [USACO06NOV] Fence Repair G | 0 / 8 | 10 | |
| 1925 | P2827 [NOIP2016 提高组] 蚯蚓 | 0 / 3 | 10 | |
| 1979 | P7078 [CSP-S2020] 贪吃蛇 | 2 / 5 | 10 | |
| 2010 | Z6053 n 个最小和 | 21 / 120 | 8 |
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