摘要: #include<bits/stdc++.h> using namespace std; #define ll long long int n,m,s,t; struct edge { int to,nxxt,len; }e[1001001<<1]; int head[1001001],cnt=-1 阅读全文
posted @ 2019-04-23 18:35 david_alwal 阅读(90) 评论(0) 推荐(0) 编辑