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Re:可以用2维线段树，或四分树。In Reply To:可以用2维线段树，或四分树。 Posted by:AllwaysDead at 2009-02-14 21:50:27 > 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。 > 哪个oj有加强版，我想写一下。。。 Followed by:
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