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我也是这么搞的,希望听听置换群的那个怎么搞。

Posted by ASCII at 2009-05-17 18:41:25 on Problem 3735
In Reply To:就是把k个命令看做一个转移矩阵,然后乘m次...转移矩阵可以在O(kn)的时间复杂度内构造出来 Posted by:Ikki at 2009-05-17 18:39:52


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