摘要: #include<bits/stdc++.h> #include<vector> using namespace std; vector<int> G[666]; int e[630]; int main() { int n,m,a,b; while(~scanf("%d %d",&n,&m)) { 阅读全文
posted @ 2022-05-03 21:43 xxj112 阅读(21) 评论(0) 推荐(0)