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为什么很多题都是看评论很高级,做起来很基础呢⋯⋯

Posted by 150014 at 2011-09-30 22:42:45 on Problem 1201
In Reply To:纪念下~第一道初步了解差分约束系统的题目。。 Posted by:gripleaf at 2011-09-30 21:12:03
> 查阅了很多大牛的代码(不过思想的建立要感谢机房的大牛)。。。对差分约束有了基本了解了。。。。
> 话说差分约束建边真的很重要。

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