codeforces 771-div2 C(做麻烦了，permutation学的不是很行)

先求一个导发布时间：2022-02-15 10:09:07 ，浏览量：4

题目题意: 给定一个长度为n的permutation，规定对于存在逆序关系的二元组(i,j)，连一条边。问图中有多少个连通块。（n

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codeforces 771-div2 C(做麻烦了，permutation学的不是很行)

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