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Re:哦。。能不能用最长下降子序列来做啊？

Posted by arena_zp at 2008-06-14 01:38:29 on Problem 2060 and last updated at 2008-06-14 01:39:11
In Reply To:最小路径覆盖 Posted by:comma at 2006-11-02 21:39:06 
> 典型的最小路径覆盖题阿？怎么过不了啊？
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