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在TOJ,AC了，原来搜的时候要标记，不然会搜到相同的点，误以为有向无环图可以不用标记。教训啊。In Reply To:不科学啊，为什么深搜的时候会搜到相同的点。不是有向无环图吗？本来觉得对于有后继结点的点应该按照他后继中最小的delay排序的，可是搜下去之后尽然会有环？ Posted by:yygy at 2014-07-03 12:20:56 Followed by: Post your reply here: |
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