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BM45 滑动窗口的最大值，牛客

题意：大致就是给你几块木棒，已经切割好，刚开始是一个完整的长木块，而且切割一个木块的长度就是本次切割所需花的钱，问如何切割才能使花费最少？ Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ ...