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Re:re :可怜的KM啊

Posted by zdf615328619 at 2011-12-20 17:25:19 on Problem 3565
In Reply To:re :可怜的KM啊 Posted by:yongheng5871 at 2010-12-28 22:23:14
> 距离的平方错了  必须转化为距离  因为平方和最大 不见得和最大


距离不存在负数啊
?求证明

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