| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 435 | P2447 [SDOI2010] 外星千足虫 | 0 / 0 | (None) | |
| 432 | P2455 [SDOI2006] 线性方程组 | 2 / 71 | 10 | |
| 440 | P2973 [USACO10HOL] Driving Out the Piggies G | 0 / 0 | (None) | |
| 439 | P4035 [JSOI2008] 球形空间产生器 | 0 / 0 | (None) |
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