摘要: #include <bits/stdc++.h> using namespace std; int f[50005],dis[50005]; const int mod=4; int find(int x){ if(x!=f[x]){ int root = find(f[x]); dis[x] = 阅读全文
posted @ 2021-05-12 13:56 Acception 阅读(38) 评论(0) 推荐(0)