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判断素数到k<=sqrt(n);这样快些吧,k/2还是大了···不过我到sqrt(n),用了700多MS,汗

Posted by songzhenqi at 2011-07-25 10:46:40 on Problem 2262
In Reply To:帮忙看下怎么会超时呢 Posted by:tangwenwu at 2011-03-28 19:23:34


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