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 main;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;

public class QualificationC {

  public static void main(String[] args) throws IOException {
    
    String sampleIn = "input/c_sample.in";
    String sampleOut = "output/c_sample.out";
    
    String smallIn = "input/C-small-attempt1.in";
    String smallOut = "output/C-small-attempt1.out";
    
    String largeIn = "input/C-large.in";
    String largeOut = "output/C-large.out";
    
    String inFile = smallIn;
    String outFile = smallOut;
    
    FileWriter fstream = new FileWriter(outFile);
    BufferedWriter out = new BufferedWriter(fstream);
    
    int limit = 2000000;
    
    int ncase = 0;
    Map<Integer,Set<Integer>> map = mapGreaterRecycleds(limit);
    for (TestCase tc : loadTestCases(inFile)) {
      ncase++;
      long recycledsBetween = findPairsBetween(map, tc.a, tc.b);
      System.out.println("Case #" + ncase + ": " + recycledsBetween);
      out.write("Case #" + ncase + ": " + recycledsBetween + "\n");

    }
    out.close();
  }
  
  private static void test(int n, int limit) {
    for (int r : getGreaterRecycleds(n, limit)) {
      System.out.println(r);
    }
  }
  
  private static long findPairsBetween(Map<Integer,Set<Integer>> map, int a, int b) {
    long ret = 0;
    for (int i=a; i<b; i++) {
      for (int recycle : map.get(i)) {
        if (recycle <= b) {
          ret++;
        }
      }
    }
    return ret;
  }
  
  private static Map<Integer, Set<Integer>> mapGreaterRecycleds(int maxB) {
    Map<Integer, Set<Integer>> map = new HashMap<Integer,Set<Integer>>();
    for (int i = 1; i<maxB; i++) {
      map.put(i, getGreaterRecycleds(i, maxB));
    }
    return map;
  }
  
  private static Set<Integer> getGreaterRecycleds(int start, int maxB) {
    String s = Integer.toString(start);
    Set<Integer> ret = new TreeSet<Integer>();
    for (int firstChar = 1; firstChar < s.length(); firstChar++) {
      String rebuild = s.substring(firstChar) + s.substring(0, firstChar);
      if (!rebuild.startsWith("0")) {
        int recycled = Integer.parseInt(rebuild);
        if (recycled <= maxB && recycled > start) {
          ret.add(recycled);
        }
      }
    }
    return ret;
  }
  
  public static List<TestCase> loadTestCases(String filename){
    List<TestCase> cases = new LinkedList<TestCase>();
    try{
      BufferedReader reader = new BufferedReader(new FileReader(filename));
      String tString = reader.readLine();
      int t = Integer.parseInt(tString);
      for(int i=0; i<t; i++){
        StringTokenizer tokenizer = new StringTokenizer(reader.readLine());
        int a = Integer.parseInt(tokenizer.nextToken(" "));
        int b = Integer.parseInt(tokenizer.nextToken(" \n"));
        cases.add(new TestCase(a,b));
      }
    } catch(Exception e){
      e.printStackTrace();
      throw new RuntimeException("can't load " + filename + "!");
    }
    return cases;
  }
  
  private static class TestCase {
    public int a, b;
    public TestCase(int a, int b) {
      this.a = a;
      this.b = b;
    }
  }
  
}
