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ssp对哪类图效果会比较差呢？

Posted by MrRight at 2007-10-23 14:37:15 on Problem 3422
In Reply To:果然一说网络流，lord wu 就神秘显身了，见内。。 Posted by:richardxx at 2007-10-23 12:00:11 
> 没消负圈哈，用Johnson算法reweight了的。。
> 我目前还只知道朴素的primal-dual实现，我估计不出复杂度，应该不是教主想要的O(n^3)的。。。
> 
> 这题我就是写的SSP，的确效果还比较好，不知道放个Dinic进去把搞成primal-dual会是什么样子。。
> 还有就是，为什么这题ssp好点呢？？
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