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这题怎么做?

Posted by alpc04 at 2006-10-28 22:34:21 on Problem 2060
In Reply To:Re:总算过了^^，我太粗心了 Posted by:outcast at 2004-11-18 16:42:16

Followed by:

dag最小路径覆盖... (0) wywcgs 2006-10-28 22:52:43
- dag是什么? (0) alpc04 2006-10-28 23:56:05
  - directed acyclic graph (0) wywcgs 2006-10-28 23:58:19
    - 是不存在连通环的有向图的意思吗？中文怎么叫？ (0) alpc04 2006-10-29 00:18:53
这题怎么过这么多人... (0) alpc04 2006-10-29 00:19:26

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