Frequent values
来源:UVA
标签:数据结构,RMQ问题
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题目
You are given a sequence of n integers a1, a2, . . . , an in non-decreasing order. In addition to that, you are given several queries consisting of indices i and j (1 ≤ i ≤ j ≤ n). For each query, determine the most frequent value among the integers ai, . . . , aj .
输入
The input consists of several test cases. Each test case starts with a line containing two integers n and q (1 ≤ n, q ≤ 100000). The next line contains n integers a1, . . . , an (−100000 ≤ ai ≤ 100000, for each i ∈ {1, …, n}) separated by spaces. You can assume tha