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可以用置换群吧,每个点的单独周期都<=100。如果用矩阵乘法的话,这题需要求逆矩阵么?In Reply To:不就是矩阵乘法么...为什么TLE...谁贡献一个大数据吧 Posted by:Ikki at 2009-05-17 14:18:46 > as the title Followed by:
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