/*
 * 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 com.gcj.parser;

import java.util.ArrayList;
import java.util.List;

public class Number {

	private static List<Integer> getRecylcedCombining(int value){

		List<Integer> toReturn = new ArrayList<Integer>();
		
		Integer intValue = new Integer(value);
		String strValue = intValue.toString();
		
		for (int i = 1; i < strValue.length() ; i ++) {
			Integer newValue = new Integer(strValue.substring(i, strValue.length()) + strValue.substring(0, i));
			if (newValue.intValue() > value && !toReturn.contains(newValue)){
				toReturn.add(newValue);
			}
		}
		
		return toReturn;
	}
	
	public static int nbOfRecycledInteger(int min, int max){
		int toReturn = 0;
//		boolean[] alreadyDone = new boolean[10000000];
		
		for (int i = min ; i <= max ; i++){
			List<Integer> list = getRecylcedCombining(i);
			
			for (Integer number : list){
				int intNumber = number.intValue();
				if (intNumber >= min && intNumber <= max ){//&& !alreadyDone[intNumber]){
					toReturn++;
//					alreadyDone[intNumber]=true;
				}
			}
		}
		
		return toReturn;
	}

	
	public static void main(String[] args) {
	
		System.out.println(nbOfRecycledInteger(1111, 2222));
		
	}
}
