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1001 [USACO 2007 Jan S]Balanced Lineup 线段树-最大最小值
链接：https://ac.nowcoder.com/acm/contest/26896/1001来源：牛客网 题目描述 For the daily milking, Farmer John's N cows (1 ≤ N ≤ 100,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbe