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我并查集过的...

Posted by sunny_fable at 2007-05-04 19:15:10 on Problem 3228
In Reply To:这道题用最大流+二分枚举答案不对么？一直WA。谢谢 Posted by:Roa at 2007-05-04 17:35:16 
长度排序后,并查集做的...时间蛮快的..
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