C++ 结构体

 1 #include<iostream>
 2 #include<queue>
 3 
 4 using namespace std;
 5 
 6 struct node{
 7     int a,b;
 8     node():a(0),b(0){}
 9     node(int a,int b):a(a),b(b){}
10 }s;
11 
12 int main(){
13     queue<node>qe;
14     qe.push(node());
15     s=qe.front();
16     cout<<s.a<<‘ ‘<<s.b<<endl;
17     qe.pop();
18     qe.push(node(1,3));
19     s=qe.front();
20     cout<<s.a<<‘ ‘<<s.b<<endl;
21     return 0;
22 }