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这题N的范围给的有问题吧?

Posted by Deoxyz at 2008-10-09 23:58:41 on Problem 3172 and last updated at 2008-10-10 00:00:06
用N<=40的暴力搜索就可以过

大家不做这题的原因是看到 题目中的N <= 1000?

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