stl priority queue

 
 
 namespace ;

 ()
{
    priority_queue<> q;

        q.push(66.6);
    q.push(22.2);
    q.push(44.4);

        cout << q.top() << '';
    q.pop();
    cout << q.top() << endl;
    q.pop();

        q.push(11.1);
    q.push(55.5);
    q.push(33.3);

        q.pop();

         (!q.empty()) {
        cout << q.top() << '';
        q.pop();
    }
    cout << endl;
}