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 codeJam;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

public class RecycledNumbers {
	private static int inputLength = 1;

	/**
	 * @param args the command line arguments
	 */
	public static void main(String[] args) {
		String filename = "RecycledNumbers/input.txt";
		if (args.length > 0) {
			filename = args[0];
		}
		
		try {
			Scanner sc = new Scanner (new File(filename));
		
			String input;
			int testCount = Integer.parseInt(sc.nextLine());
			String out = "";
			
			// Split the input into separate tests and collect the output.
			for (int i = 0; i < testCount; i++) {
				input = "";
				for (int row = 0; row < inputLength; row++) {
					input += sc.nextLine() + System.lineSeparator();
				}
				out += "Case #" + (i+1) + ": ";
				out += runTest(input);
				out += System.lineSeparator();
			}
			System.out.println(out);
			BufferedWriter output = new BufferedWriter(new FileWriter(
							"RecycledNumbers/output.txt"));
			output.write(out);
			output.close();
		} catch (FileNotFoundException ex) {
			System.err.println("Input file not found");
			System.exit(1);
		} catch (IOException ex) {
		}
	}


	public static String runTest(String input) {
		boolean[] found = new boolean[2000000];
		Scanner sc = new Scanner(input);
		int lowest = sc.nextInt();
		int highest = sc.nextInt();
		int recycled = 0;
		int length = 0;
		long current = 0;
		int inRange = 0;
		ArrayList<Integer> permutations = new ArrayList<Integer>();
		for (long i = lowest; i <= highest; i++) {
			if(found[(int)i] == true) {
				continue;
			}
			length = getLength(i);
			permutations.clear();
			current = i;
			inRange = 1;
			found[(int)current] = true;
			while (rotate(current, length) != i) {
				current = rotate(current, length);
				if (current <= highest && current >= lowest) {
					inRange++;
					found[(int)current] = true;
				}
			}
			recycled += combinations(inRange);
		}
		
		return String.valueOf(recycled);
	}
	
	public static long rotate(Long in, int length) {
		if (length < 2) {
			return in;
		}
		return in / 10 + ((in % 10) * (int)(java.lang.Math.pow(10.0, (double)length - 1)));
		
	}
	public static int getLength(Long in) {
		return (int)java.lang.Math.floor(java.lang.Math.log10((double)in))+ 1;
	}
	public static int combinations(int count) {
		if (2 == count) {
			return 1;
		}

		// We don't go high enough to worry about overflow (< 8)
		long answer = 1;
		for (int i = count - 2 + 1; i <= count; i++) {
			answer = answer * i;
		}
		for (int j = 2; j > 1; j--) {
			answer = answer / j;
		}
		return (int)answer;
	}
	
}
