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Re:题目中给的最后那Q行数据有什么意义，该怎么处理他们？

Posted by zhengyl at 2008-10-30 18:41:12 on Problem 2421 and last updated at 2008-10-30 18:44:00
In Reply To:题目中给的最后那Q行数据有什么意义，该怎么处理他们？ Posted by:rdstwww at 2007-05-29 09:27:34

是那些已经修好的路（a--b）
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其实，只要把修好的边的权重赋为0
再用Prim即可
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