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这个不需要开平方，只要先判断一下这个数是不是素数，如果是打印n-1,否则跟上面一样,我的0msIn Reply To:这个算法居然用了快1000MS？想不通哦。 Posted by:queyue2004 at 2005-06-06 16:13:11 Followed by:
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