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哦 原来是这样哦 太感谢了!!

Posted by huacm01 at 2006-08-05 17:56:30 on Problem 2926
In Reply To:把绝对值去掉，5个绝对值是32次枚举 Posted by:huacm01 at 2006-08-05 17:54:22 
> 把绝对值去掉，5个绝对值是32次枚举
> |x-y| = x-y or y-x
> 之后就简单了
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