| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4951 | P2561 [AHOI2002] 黑白瓷砖 | 0 / 0 | (None) | |
| 3160 | 3160 [SHOI2006] 有色图 | 0 / 0 | (None) | |
| 3447 | 3447 [Usaco2007 Feb]Cow Sorting牛排序 | 0 / 0 | (None) | |
| 4952 | P4727 [HNOI2009] 图的同构计数 | 0 / 0 | (None) | |
| 4950 | 4950 [HNOI2008] Cards | 0 / 0 | (None) |
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