摘要: #include<bits/stdc++.h>using namespace std;int vis[100007];vector<int>v[100007];vector<int>vt;int deg[100007];void dfs(int a,int nev){//dfs判环 for(auto 阅读全文
posted @ 2019-03-26 23:23 sewage 阅读(189) 评论(0) 推荐(0) 编辑