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可以用2维线段树，或四分树。In Reply To:请教此题的序列若是无序的，该如何解决？即如何查询一个无序区间内最高的出现频数 Posted by:kamel52045386 at 2008-11-10 12:21:34 统计区间[i,j]中数值在区间[p,q]中的数的最大频度。 不过因为内存限制，得把数据规模降下来。 Followed by:
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