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Posted by ACM06060 at 2007-10-08 00:07:33 on Problem 1150 and last updated at 2007-10-08 00:07:41
In Reply To:空间太小了，一个素数筛子就MLE了。。。筛出的素数为p个，可以用O(p×logp)过这道题吧？ Posted by:alpc62 at 2007-10-07 23:34:40 



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