Program of Queue in C++ using Built in Function

Program of Queue in C++ 

Follow is a program which uses built in function of queue in C++. This built in function make our work easy to use queues in C++.

#include <queue>

using namespace std;

int main()

{

       queue <int> var;

       var.push(1);

       cout << var.front();     // print first value

       cout << var.back();  //  print last value

       var.push(2);

       var.pop();    //    1st value delete

       int len = var.size();

}

there are a lot of other functions of Built-in Queue in C++.

-->