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Re:AC了,代码如下, 这道题目不难

Posted by dinysirius at 2009-03-07 15:08:55 on Problem 2262
In Reply To:AC了,代码如下, 这道题目不难 Posted by:382784268 at 2009-03-07 12:53:31
建议楼上的用筛法吧,速度会快。。

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