摘要：
1 #include <iostream> 2 #include <cstdio> 3 #include <cstring> 4 #include <queue> 5 using namespace std; 6 const int INF =1<<27; 7 struct node 8 { 9 int i,num;10 node(){}11 node(int a,int b){i=a;num=b;}12 bool operator < (const node &aa) const13 {14 if(aa.num!=nu 阅读全文
