队列 & 结构体 的完美结合

直接上样例

#include<bits/stdc++.h>
using namespace std;

struct node{
    int x, y;
};

queue<node> que;

int main(){
    node xx;
    xx.x = 1, xx.y = 2;
    que.push(xx);
    node yy = que.front();
    cout << yy.x << " " << yy.y;
    return 0;
}