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Re:是按a排序再构造一颗树的吧

Posted by cfdream at 2007-09-14 17:03:35 on Problem 2201
In Reply To:似乎按照K排完序后就是构造一棵A的笛卡儿树吧... Posted by:cx19860824 at 2007-05-01 09:09:17


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