/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

package de.at.codejam.gui;

import java.awt.BorderLayout;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.filechooser.FileFilter;

import de.at.codejam.util.CodeJamConstants;
import de.at.codejam.util.StatusListener;
import de.at.codejam.util.TaskStatus;

public class CodeJamMainPanel extends JPanel implements CodeJamConstants,
		StatusListener {

	private static final long serialVersionUID = 5367570736703559286L;

	private JPanel mainArea = new JPanel(new BorderLayout());

	private final CodeJamStatusPanel statusPanel = new CodeJamStatusPanel();
	private final JFileChooser fileChooser = new JFileChooser(
			DEFAULT_CODE_JAM_DIRECTORY);

	public CodeJamMainPanel() {

		super(new BorderLayout());

		fileChooser.setAcceptAllFileFilterUsed(true);
		fileChooser.setDialogType(JFileChooser.OPEN_DIALOG);
		fileChooser.setDialogTitle("Input File Selection");
		FileFilter fileFilter = new FileFilter() {
			@Override
			public boolean accept(File inFile) {
				return inFile.isFile() && inFile.getName().endsWith(".in");
			}

			@Override
			public String getDescription() {
				return "Google Code Jam - .in files";
			}
		};
		fileChooser.addChoosableFileFilter(fileFilter);

		mainArea.add(statusPanel, BorderLayout.NORTH);
		mainArea.add(fileChooser);
		add(mainArea);
	}

	@Override
	public void updateStatus(TaskStatus taskStatus) {
		statusPanel.updateStatus(taskStatus);
	}

	@Override
	public void log(int logLevel, String message) {
		statusPanel.log(logLevel, message);
	}

	public JFileChooser getFileChooser() {
		return fileChooser;
	}
}
