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我想折腾最短路树……

Posted by frkstyc at 2007-11-06 22:28:39
In Reply To:F我还再能想到的就是枚举双连通中的最短边，以及缩图后用DP来解树的Case，不知道教主的想法是？？ Posted by:richardxx at 2007-11-06 22:03:37 
> rt
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