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这个生成树的最长边是尽量短的?应该是尽量长的把//

Posted by 201151122 at 2013-04-07 21:00:09 on Problem 1861
In Reply To:不产生环 那样例怎么出来的。。。。请提示一下~ Posted by:Zeor at 2009-09-10 17:06:29


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