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Re:一个简单的算法

Posted by afafafa at 2009-12-19 23:11:31 on Problem 1519
In Reply To:Re:一个简单的算法 Posted by:qq312873977 at 2009-04-20 19:44:49
> 所有数位加起来模9就是了,证明很简单啦
注意模9为0的情况...

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