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貌似没有。不会自己写平衡树吗In Reply To:pku月赛的一段报告："如果我们用平衡树来维护这个集合，那么插入、删除与求第 k 小值的复杂度都是 O(logn) 级别的".请教STL,map有求第k小元素的函数？ Posted by:cock at 2006-09-04 16:51:02 Followed by:
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