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迫切的顶一小下

Posted by atlas_of_rruucc at 2004-07-22 23:02:47 on Problem 1615
In Reply To:难道只能HASH+搜索剪枝吗?如果内存再大点似乎可以转换为DP了,好象当时听D大侠说有一个什么什么变换……………… Posted by:atlas_of_rruucc at 2004-07-22 23:02:26


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