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ST表类似树状数组，线段树这两种算法，是一种用于解决区间最值查询问题的离线算法。与线段树相比，预处理复杂度同为O(nlogn)，但查询复杂度ST表为O(1)，比线段树查询O(lgN)小，但就不涉及修改的区间查询而言，ST表无疑是更好的选择。 ST表主体，即st[i][j]，表示数据数组a[ ]从下标 阅读全文
posted @ 2019-08-22 22:23
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Balanced Lineup(POJ - 3264) For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides 阅读全文
posted @ 2019-08-22 22:23
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Strip Alexandra has a paper strip with n numbers on it. Let's call them ai from left to right. Now Alexandra wants to split it into some pieces (possi 阅读全文
posted @ 2019-08-22 22:23
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Frequent values You are given a sequence of n integers a 1 , a 2 , ... , a n in non-decreasing order. In addition to that, you are given several queri 阅读全文
posted @ 2019-08-22 22:23
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