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ls两位朋友说的我都考虑了啊，还是WA，不知道为什么……

Posted by lixs2003 at 2007-09-23 17:40:10 on Problem 3380
In Reply To:请问这个题到底有什么trick啊？ Posted by:lixs2003 at 2007-09-23 14:35:07 
> 就是算出每个线经过的次数
> 乘以长度排序
> 对吗
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