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 fixjava;

import java.util.Collection;
import java.util.Comparator;

/**
 * Typed 3-tuple
 */
public class Tuple4<A, B, C, D> {

	private final A field0;
	private final B field1;
	private final C field2;
	private final D field3;

	public A getField0() {
		return field0;
	}

	public B getField1() {
		return field1;
	}

	public C getField2() {
		return field2;
	}

	public D getField3() {
		return field3;
	}

	public Tuple4(final A field0, final B field1, final C field2, final D field3) {
		this.field0 = field0;
		this.field1 = field1;
		this.field2 = field2;
		this.field3 = field3;
	}

	/** Convenience method so type params of pair don't have to be specified: just do Tuple4.make(a, b, c, d) */
	public static <A, B, C, D> Tuple4<A, B, C, D> make(A field0, B field1, C field2, D field3) {
		return new Tuple4<A, B, C, D>(field0, field1, field2, field3);
	}

	// ---------------------------------------------------------------------------------------------------

	private static final boolean objEquals(Object p1, Object p2) {
		if (p1 == null)
			return p2 == null;
		return p1.equals(p2);
	}

	@Override
	public final boolean equals(Object o) {
		if (!(o instanceof Tuple4<?, ?, ?, ?>)) {
			return false;
		} else {
			final Tuple4<?, ?, ?, ?> other = (Tuple4<?, ?, ?, ?>) o;
			return objEquals(getField0(), other.getField0()) && objEquals(getField1(), other.getField1())
					&& objEquals(getField2(), other.getField2()) && objEquals(getField3(), other.getField3());
		}
	}

	@Override
	public int hashCode() {
		int h0 = getField0() == null ? 0 : getField0().hashCode();
		int h1 = getField1() == null ? 0 : getField1().hashCode();
		int h2 = getField2() == null ? 0 : getField2().hashCode();
		int h3 = getField3() == null ? 0 : getField3().hashCode();
		return h0 + 53 * h1 + 97 * h2 + 131 * h3;
	}

	// ---------------------------------------------------------------------------------------------------

	public static <A extends Comparable<A>, B, C, D> Comparator<Tuple4<A, B, C, D>> comparatorOnField0(Collection<Tuple4<A, B, C, D>> tupleCollection) {
		return new Comparator<Tuple4<A, B, C, D>>() {
			@Override
			public int compare(Tuple4<A, B, C, D> o1, Tuple4<A, B, C, D> o2) {
				return o1.getField0().compareTo(o2.getField0());
			}
		};
	}

	public static <A, B extends Comparable<B>, C, D> Comparator<Tuple4<A, B, C, D>> comparatorOnField1(Collection<Tuple4<A, B, C, D>> tupleCollection) {
		return new Comparator<Tuple4<A, B, C, D>>() {
			@Override
			public int compare(Tuple4<A, B, C, D> o1, Tuple4<A, B, C, D> o2) {
				return o1.getField1().compareTo(o2.getField1());
			}
		};
	}

	public static <A, B, C extends Comparable<C>, D> Comparator<Tuple4<A, B, C, D>> comparatorOnField2(Collection<Tuple4<A, B, C, D>> tupleCollection) {
		return new Comparator<Tuple4<A, B, C, D>>() {
			@Override
			public int compare(Tuple4<A, B, C, D> o1, Tuple4<A, B, C, D> o2) {
				return o1.getField2().compareTo(o2.getField2());
			}
		};
	}

	public static <A, B, C, D extends Comparable<D>> Comparator<Tuple4<A, B, C, D>> comparatorOnField3(Collection<Tuple4<A, B, C, D>> tupleCollection) {
		return new Comparator<Tuple4<A, B, C, D>>() {
			@Override
			public int compare(Tuple4<A, B, C, D> o1, Tuple4<A, B, C, D> o2) {
				return o1.getField3().compareTo(o2.getField3());
			}
		};
	}

	// ---------------------------------------------------------------------------------------------------

	@Override
	public String toString() {
		return "(" + getField0() + ", " + getField1() + ", " + getField2() + ", " + getField3() + ")";
	}
}
