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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;


public abstract class CodeJam {
	
	protected BufferedReader reader;
	protected FileWriter writer;
	
	//used in multithread mode
	protected String[] inputLines;
	protected String[] outputLines;
	protected int linesPerCase;
	long start;
	
	protected String caseLabel = "Case #";
	
	protected boolean runningMultiThread = false;
	
	public CodeJam(String file) throws Exception {
		this(file, -1);
	}
	
	public CodeJam(String file, int linesPerCase) throws Exception {
		start = System.currentTimeMillis();
		
		this.linesPerCase = linesPerCase;
		FileReader fileReader = new FileReader(new File(file));
		reader = new BufferedReader(fileReader);
		File outFile = new File(file.replaceAll("\\.\\w+$", ".out"));
		outFile.delete();
		writer = new FileWriter(outFile);
		
	}

	public void start() throws IOException,
			InterruptedException {
		String readLine = reader.readLine();
		//total number of cases
		int t = Integer.parseInt(readLine);
		
		int threads = 1;
		if (linesPerCase > 0) {
			runningMultiThread = true;
			loadInputLines(t*linesPerCase);
			outputLines = new String[t];
			threads = 4;
		}
		ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();
		
		for (int i = 0; i < threads; i++) {
			newCachedThreadPool.execute(new CaseProcessor(i*t/threads+1, (i+1)*t/threads));
		}
		newCachedThreadPool.shutdown();
		newCachedThreadPool.awaitTermination(8*60*1000, TimeUnit.MILLISECONDS);

		if (runningMultiThread) {
			for (int i = 0; i < outputLines.length; i++) {
				writer.write(outputLines[i]);
			}
		}
		writer.flush();
		
		long delay = System.currentTimeMillis() - start;
		
		if (delay < 5000) {
			System.out.println("Total time "+delay+ " millis");
		} else {
			System.out.println("Total time "+(delay/1000)+ " secs");
		}
		
		System.exit(0);
	}
	
	class CaseProcessor implements Runnable {
		
		int firstCase;
		int lastCase;
		
		public CaseProcessor(int firstCase, int lastCase) {
			this.firstCase = firstCase;
			this.lastCase = lastCase;
		}

		public void run() {
			for (int i = firstCase; i <= lastCase; i++) {
				Object result;
				try {
					result = processCase(i);
					writeCaseResult(i, result);
				} catch (Exception e) {
					e.printStackTrace();
				}
				
				if (i%10 == 0) {
					long timeRemaing = (System.currentTimeMillis() - start)/i * (lastCase-i);
					if (timeRemaing < 5000) {
						System.out.println(i*100f/lastCase+" % Complete (Time remaing: "+timeRemaing+" millis)");
					} else {
						System.out.println(i*100f/lastCase+" % Complete (Time remaing: "+timeRemaing/1000+" secs)");
					}
				}
			}
			System.out.println("Finish"+firstCase);
		}
		
	}
	
	private void loadInputLines(int lines) throws IOException {
		inputLines = new String[lines];
		for (int i = 0; i < lines; i++) {
			inputLines[i] = reader.readLine();
		}
		reader.close();
		reader = null;
	}

	public final String readLine() throws IOException {
		return reader.readLine();
	}
	
	public final int readLineInt() throws IOException {
		return Integer.parseInt(reader.readLine());
	}
	
	public final String readLine(int caseNumber, int i) {
		return inputLines[(caseNumber-1)*linesPerCase+i];		
	}
	
	public final int[] readIntArray(int caseNumber, int line) {
		String[] numbers = readLine(caseNumber, line).split(" ");
		int[] n = new int[numbers.length];
		
		for (int i = 0; i < numbers.length; i++) {
			n[i] = Integer.parseInt(numbers[i]);
		}
		return n;
	}
	
	public final Integer[] readIntegerArray(int caseNumber, int line) {
		String[] numbers = readLine(caseNumber, line).split(" ");
		Integer[] n = new Integer[numbers.length];
		
		for (int i = 0; i < numbers.length; i++) {
			n[i] = Integer.parseInt(numbers[i]);
		}
		return n;
	}
	
	@SuppressWarnings("unchecked")
	public static <T> T[] reverse(T[] arr) {
		List<T> list = Arrays.asList(arr);
		Collections.reverse(list);
		return (T[]) list.toArray(new Object[arr.length]);
	}
	
	public static void reverse(char[] data) {
	    int left = 0;
	    int right = data.length - 1;

	    while( left < right ) {
	        // swap the values at the left and right indices
	        char temp = data[left];
	        data[left] = data[right];
	        data[right] = temp;

	        // move the left and right index pointers in toward the center
	        left++;
	        right--;
	    }
	}

	protected void writeCaseResult(int caseNumber, Object result) throws IOException {
		StringBuilder out = new StringBuilder(caseLabel);//"Case #"
		out.append(caseNumber);
		out.append(": ");
		out.append(result);
		out.append('\n');
		System.out.println(out);
		if (runningMultiThread) {
			outputLines[caseNumber-1] = out.toString();
		} else {
			writer.write(out.toString());
		}
	}
	
	public long convetNumber(int number, int currentBase, int destBase) {
		long result = 0;
		
		int count = 0;
		
		while (number > 0) {
			int remainder = number % destBase;
			
			number /= destBase;
			
			int current = remainder*(int)Math.pow(currentBase,count);
			result += current;
			count++;
		}
		
		return result;
	}
	
	public abstract Object processCase(int caseNumber) throws Exception;
	
}
