摘要: Global and Local Inversions (M) 题目 We have some permutation A of [0, 1, ..., N - 1], where N is the length of A. The number of (global) inversions is 阅读全文
posted @ 2021-04-05 16:39 墨云黑 阅读(42) 评论(0) 推荐(0) 编辑