摘要: AcWing 1012友好城市 #include <iostream> #include <cstdio> #include <algorithm> using namespace std; const int N = 5e3+5; int n; struct Node{ int a, b; boo 阅读全文
posted @ 2021-07-14 22:28 chaosliang 阅读(31) 评论(0) 推荐(0)