Queue

#include <iostream>
#include <queue>

using namespace std;
void showQ(queue <int> inputQ)
{
    queue <int> tempQ = inputQ;

    while(!tempQ.empty())
    {
        cout << tempQ.front() << " ";
        tempQ.pop();
    }
}

int main()
{
    queue <int> myQueue;

    myQueue.push(10);
    myQueue.push(20);
    myQueue.push(30);
    showQ(myQueue); // Shows the queue
    cout << endl << "The size of the queue is : " << myQueue.size() << endl;
    cout << "myQueue.front() is: " << myQueue.front() << endl;
    cout << "myQueue.back() is: " << myQueue.back() << endl;

}