std::queue

std::queue

#include <queue>

#include <iostream>

using namespace std;

int main(){

queue<int> que;

que.push(1);

que.push(2);

que.push(3);

cout << "size : " << que.size() << endl;

cout << "front : " << que.front() << endl;

cout << "back : " << que.back() << endl;

que.pop();

que.pop();

cout << "empty? : " << que.empty() << endl;

que.pop();

cout << "pop!" << endl;

cout << "enpty? : " << que.empty() << endl;

//push

for(int i=1; i<=5; ++i){

que.push(i);

}

for(int i=1; i<=5; ++i){

cout << "front : " << que.front() << endl;

cout << "pop!" << endl;

que.pop();

}

cout << "empty? : " << que.empty() << endl;

return 0;

}