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还是没懂..then?In Reply To:Re: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? Posted by:gf_lu at 2009-05-17 15:28:15 > 只有s操作交换两只猫手上的nut集 > e和g操作都看成对猫i当前手上的nut集的操作,而不看成是对猫的操作。 > 这样每个nut集的转移的周期都是<=100的 Followed by:
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