import java.awt.*;
import javax.swing.*;
import java.util.*;


class HanoiPanel extends JPanel {

    Stack<Integer>[] towers;
    int maxDisks;
    
    public void paintComponent (Graphics g)
    {
        super.paintComponent (g);
        
        // Draw the towers first.
        g.setColor (Color.cyan);

        int topOffset = 30;
        int spacing = 50;
        int towerWidth = 10;
        int towerHeight = 150;

        g.fillRect (spacing, topOffset, towerWidth, towerHeight);
        g.fillRect (2*spacing+towerWidth, topOffset, towerWidth, towerHeight);
        g.fillRect (3*spacing+2*towerWidth, topOffset, towerWidth, towerHeight);

        // Draw the disks.

        // INSERT YOUR CODE HERE
    }

}



public class HanoiGUI extends JFrame {

    HanoiPanel panel;

    public HanoiGUI (Stack<Integer>[] towers, int maxDisks)
    {
        this.setSize (200, 300);
        this.setTitle ("Tower of Hanoi");
        panel = new HanoiPanel();
        panel.towers = towers;
        panel.maxDisks = maxDisks;
        Container cPane = this.getContentPane();
        cPane.add (panel);
        this.setVisible (true);
    }

    public void updateGUI ()
    {
        panel.repaint ();
    }

}