/*
 * 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 hk.polyu.cslhu.codejam.thread;

import hk.polyu.cslhu.codejam.lib.ResultCollector;
import hk.polyu.cslhu.codejam.solution.Solution;

import java.util.List;

import org.apache.log4j.Logger;

public abstract class JamThread implements Runnable {
	public static Logger logger = Logger.getLogger(JamThread.class);

	private ResultCollector resultCollector;
	private int indexOfList;
	private List<List<String>> testCaseList;
	private Solution solution;
	
	/**
	 * Return the solution
	 * 
	 * @return Solution
	 */
	public Solution getSolution() {
		return solution;
	}

	/**
	 * Set the solution used for test cases
	 * 
	 * @param solution Solution
	 */
	public void setSolution(Solution solution) {
		this.solution = solution;
	}

	/**
	 * Return the result collector
	 * 
	 * @return ResultCollector
	 */
	public ResultCollector getResultCollector() {
		return resultCollector;
	}

	/**
	 * Set the result collector
	 * 
	 * @param resultCollector ResultCollector
	 */
	public void setResultCollector(ResultCollector resultCollector) {
		this.resultCollector = resultCollector;
	}
	
	/**
	 * Return the index of list
	 *  
	 * @return int The index of list
	 */
	public int getIndexOfList() {
		return indexOfList;
	}

	/**
	 * Set the index of list
	 * 
	 * @param indexOfList int The index of list
	 */
	public void setIndexOfList(int indexOfList) {
		this.indexOfList = indexOfList;
	}

	/**
	 * Set the list of test cases
	 * 
	 * @param testCaseList List<LIst<String>>
	 */
	public void setTestCaseList(List<List<String>> testCaseList) {
		this.testCaseList = testCaseList;
		logger.debug("Total " + testCaseList.size() + " test cases have been added");
	}
	
	/**
	 * Get the list of test cases
	 * 
	 * @return List<List<String>> The list of test cases
	 */
	public List<List<String>> getTestCaseList() {
		return this.testCaseList;
	}
	
	public abstract void run();
}
