摘要:
世界上最好的费用流板子! //lg p3381 #include<bits/stdc++.h> using namespace std; #define ll long long const int N= (int)5e3+3; const int M =(int)5e4+4; const ll I 阅读全文
摘要:
#include<bits/stdc++.h> using namespace std; const int N = 205; const int M = 205; const int INF = 0x3f3f3f3f; int edgeid=2; int head[N]; struct edge 阅读全文