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显然不是O(n)的,想一想你的total乘出来会有多大.In Reply To:这道题我用置换群的算法求最小循环因子,o(n)的复杂度,为什么还要超时,有大量的io吗? Posted by:cpp051300448324 at 2005-06-14 19:10:11 2^100? 2*3*5*7*11*13*17*19....=? Followed by:
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