import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class ReadFile {
	public static void main(String[] args) throws Exception {
		String srcFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt1.in.txt";
		String destFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt0.out";
		File file = new File(srcFile);
		List<String> readData = new ArrayList<String>();
		FileReader fileInputStream = new FileReader(file);
		BufferedReader bufferedReader = new BufferedReader(fileInputStream);
		StringBuilder stringBuilder = new StringBuilder();
		String line = null;
		while ((line = bufferedReader.readLine()) != null) {
			readData.add(line);
		}
		stringBuilder.append(generateOutput(readData));
		File writeFile = new File(destFile);
		if (!writeFile.exists()) {
			writeFile.createNewFile();
		}
		FileWriter fileWriter = new FileWriter(writeFile);
		BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
		bufferedWriter.write(stringBuilder.toString());
		bufferedWriter.close();
		System.out.println("output" + stringBuilder);
	}

	/**
	 * @param number
	 * @return
	 */
	private static String generateOutput(List<String> number) {
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < number.size(); i++) {
			if (i == 0) {
				continue;
			} else {
				String tempString = number.get(i);
				String[] temArr = tempString.split(" ");
				stringBuilder.append("Case #" + i + ": ");
				stringBuilder.append(getRecNumbers(temArr[0], temArr[1]));
				stringBuilder.append("\n");
			}
		}
		if (stringBuilder.length() > 0) {
			stringBuilder.deleteCharAt(stringBuilder.length() - 1);
		}
		return stringBuilder.toString();
	}

	// /* This method accepts method for google code jam */
	// private static String method(String value) {
	// int intValue = Integer.valueOf(value);
	// double givenExpr = 3 + Math.sqrt(5);
	// double num = Math.pow(givenExpr, intValue);
	// String valArr[] = (num + "").split("\\.");
	// int finalVal = Integer.valueOf(valArr[0]) % 1000;
	//
	// return String.format("%1$03d", finalVal);
	//
	// }
	//
	// /* This method accepts method for google code jam */
	// private static String method2(String value) {
	// StringTokenizer st = new StringTokenizer(value, " ");
	// String test[] = value.split(" ");
	// StringBuffer str = new StringBuffer();
	//
	// for (int i = 0; i < test.length; i++) {
	// // test[i]=test[test.length-i-1];
	// str.append(test[test.length - i - 1]);
	// str.append(" ");
	// }
	// str.deleteCharAt(str.length() - 1);
	// String strReversedLine = "";
	//
	// while (st.hasMoreTokens()) {
	// strReversedLine = st.nextToken() + " " + strReversedLine;
	// }
	//
	// return str.toString();
	// }

	private static int getRecNumbers(String no1, String no2) {

		int a = Integer.valueOf(no1);
		int b = Integer.valueOf(no2);
		Set<String> dupC = new HashSet<String>();
		for (int i = a; i <= b; i++) {
			int n = i;
			List<String> value = findPerm(n);
			for (String val : value) {
				if (Integer.valueOf(val) <= b && Integer.valueOf(val) >= a
						&& n < Integer.valueOf(val)) {
					dupC.add(n + "-" + val);
				}
			}
		}
		return dupC.size();
	}

	private static List<String> findPerm(int num) {
		String numString = String.valueOf(num);
		List<String> value = new ArrayList<String>();
		for (int i = 0; i < numString.length(); i++) {
			String temp = charIns(numString, i);
			if (!temp.equalsIgnoreCase(numString)) {
				value.add(charIns(numString, i));
			}
		}
		return value;

	}

	public static String charIns(String str, int j) {
		String begin = str.substring(0, j);
		String end = str.substring(j);
		return end + begin;
	}
}
package qualification;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import loader.InputReader;
import loader.OutPutWriter;

public class RecycledNumber {

	static String inputName = "C-small-attempt0.in";
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
//		List<Integer> list = new LinkedList<Integer>();
//		list.add(1);
//		list.add(2);
//		System.out.println(listToInt(list));
//		int a = 4009;
//		System.out.println(intToList(a));
		start();
	}

	private static void start(){
		InputReader reader = new InputReader();
		reader.read(inputName);
		List<String> inputs = reader.getInputs();
		List<String> outputs = new ArrayList<String>();
		for(String in: inputs){
			String[] aLine = in.split(" ");
			int a = Integer.parseInt(aLine[0]);
			int b = Integer.parseInt(aLine[1]);
			int amount = findPairs(a,b);
			outputs.add(new Integer(amount).toString());
		}
		
		OutPutWriter writer = new OutPutWriter();
		writer.write("question3.out", outputs);
	}
	
	private static int findPairs(int a, int b) {
		Set<Pair> resultSet = new HashSet<Pair>();
		
//		int res = 0;
		if(a == b) return 0;
		for(int n=a; n<b; n++){
			List<Integer> nList = intToList(n);
			int shiftTimes = nList.size()-1;
			for(int i=1; i<=shiftTimes; i++){
				int m = shift(i, nList);
				if(n < m && m <= b){
					Pair pair = new Pair(n, m);
//					res += 1;
					if(!resultSet.contains(pair))
						resultSet.add(pair);
				}
			}
		}
		List view = new ArrayList(resultSet);
		Collections.sort(view);
		System.out.println(view);
		
		return resultSet.size();
//		return res;
	}

	private static int shift(int shiftTimes, List<Integer> list){
		
		List<Integer> copyList = new ArrayList<Integer>();
		copyList.addAll(list);
		for(int i=0; i<shiftTimes; i++){
			Integer moved = copyList.remove(0);
			copyList.add(moved);
		}
		
		return listToInt(copyList);
	}

	
	private static List<Integer> intToList(int a){
		List<Integer> l = new LinkedList<Integer>();
		
		while(a > 0){
			int digit = a%10;
			l.add(0, digit);
			a /= 10;
		}
		
		return l;
	}
	
	private static int listToInt(List<Integer> list){
		int res = 0;
		int length = list.size();
		
		int pow = 0;
		for(int i=length-1; i>=0; i--){
			int digit = list.get(i);
			int value = (int) (digit * Math.pow(10.0, pow));
			res += value;
			pow++;
		}
		return res;
	}
}
