摘要：
#include <iostream> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; str 阅读全文
摘要：
#include<bits/stdc++.h> using namespace std; const int N = 10000; struct edge{ int from,to,v; edge(int a,int b,int c){ from=a;to=b;v=c; } }; vector<ed 阅读全文