priority_queue< int > q;
    q.push( 10230 ); // inserting 10230
    q.push( 1021 ); // inserting 1021
    q.push( 102322 ); // inserting 102322

    while( !q.empty() ) {
        cout << q.top() << endl; // printing the top
        q.pop(); // removing that one
    }