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Re:貌似是个费用流,而且图构起来很爽,是个层次图。。。

Posted by JiaJunpeng at 2014-03-20 19:25:29 on Problem 2884
In Reply To:貌似是个费用流,而且图构起来很爽,是个层次图。。。 Posted by:JiaJunpeng at 2014-03-20 19:24:15
> rt
顺便问一下,按照题意是不是先要对 表进行排序,样例中 335应该在最上面?

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