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特别想知道诡异的logn方法，希望有人能够继续说明。。。In Reply To:二分答案+倒推构造，用并查集实现的话可以做到O(NlogN),其实这题还有O(LogN)的方法，不过思维复杂度太高了，也说不清...... Posted by:TN at 2005-05-18 12:11:01 Followed by:
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