| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4214 | NOI20092A [NOI2009] 植物大战僵尸 | 0 / 0 | (None) | |
| 4400 | NOIP2013D 车站分级 | 1 / 1 | 10 | |
| 776 | P1061 [NOI2008] 志愿者招募 | 0 / 0 | (None) | |
| 3181 | 3181 [JSOI2010] 满汉全席 | 0 / 0 | (None) | |
| 3215 | 3215 [ZJOI2010] 网络扩容 | 0 / 0 | (None) |
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