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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......In Reply To:希望有人能告诉我这个应该怎么搞？ Posted by:js05 at 2005-05-18 10:33:48 Followed by:
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