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如果k>n/2那么k=n-k;

Posted by daringQQ at 2006-09-16 14:42:02 on Problem 2992
In Reply To:Re:就是把1到500的数的质因数先保存起来啊 Posted by:Csea at 2006-09-16 14:39:38
> 我也是这样啊。。。

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