摘要：
#include <stdio.h>#include <string.h>#include <iostream>using namespace std;#define N 250#define M 20100#define INF 0x3fffffffstruct node{ int from,to,next,w;}edge[M];int n,m;int cnt,pre[N];int s1,nn,t;int lv[N],gap[N];int kk;int mark[N];int save[110][2];void add_edge(int u,int v,i 阅读全文
