/*
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 * and open the template in the editor.
 */
package codejam;

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

package com.anuragkapur.jam2012.qr.C;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * @author anuragkapur
 * 
 */
public class RecycledNumbers {
	
	public void writeOutputToFile(String output, String filepath)
			throws IOException {
		FileWriter fstream = new FileWriter(filepath);
		BufferedWriter out = new BufferedWriter(fstream);
		out.write(output);
		out.flush();
		out.close();
	}
	
	// methods for algorithm logic here
	public int computeCountOfRecycledPairs(String input) {
		StringTokenizer tokenizer = new StringTokenizer(input, " ");
		Set<String> recycledPairs = new HashSet<String>();
		
		int a = -1;
		int b = -1;
		
		int tokenCount = 0;
		while (tokenizer.hasMoreElements()) {
			tokenCount ++;
			String token = (String) tokenizer.nextElement();
			if (tokenCount == 1) {
				a = Integer.parseInt(token);
			}else {
				b = Integer.parseInt(token);
			}
		}
		
		int originalA = a;
		int originalB = b;
		
		int noOfRecycledPairs = 0;
		if (a == b) {
			return 0;
		}
		
		
		while (a <= b) {
			
			String aStr = "" + a;
			String bStr = "" + b;
			int noOfDigits = aStr.length();
			
			if (noOfDigits < 2) {
				break;
			}else {
				int noOfDigitsToMove = 1;
				while(noOfDigitsToMove < noOfDigits) {
					String movedDigitsString = aStr.substring(noOfDigits - noOfDigitsToMove);
					String unmovedDigitsString = aStr.substring(0, noOfDigits - noOfDigitsToMove);
					int movedDigits = Integer.parseInt(movedDigitsString);
					int unmovedDigits = Integer.parseInt(unmovedDigitsString);
					
					//Check if number at first index is 0. If yes, this is not a valid case
					int firstDigitOFMovedDigits = Integer.parseInt(movedDigitsString.substring(0,1));
					if (firstDigitOFMovedDigits == 0) {
						noOfDigitsToMove ++;
					}else {
						String newNumberString = movedDigitsString + unmovedDigitsString;
						int newNumber = Integer.parseInt(newNumberString);
						System.out.println("old number " + a + " new number :: " + newNumber);
						if (newNumberString.length() == aStr.length()) {
							if(newNumber > a && newNumber <= originalB && a >= originalA) {
								System.out.println("recycled pair found :: " + a + " and " + newNumber);
								// Add pair found to a SET so that duplicates get ignored automatically
								recycledPairs.add(a + "," + newNumberString);
							}
						}
						noOfDigitsToMove ++;
					}
				}
			}
			a ++;
		}
		
		noOfRecycledPairs = recycledPairs.size();
		return noOfRecycledPairs;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		if (args.length < 2) {
			System.out.println("Not enough command line arguments specified. Need 2 (Input and output file paths)");
			return;
		}
		
		String inputFilePath = args[0];
		try {
			// String buffer for storing the output
			StringBuffer output = new StringBuffer();
			
			// Instantiate object to use non static methods
			RecycledNumbers recycled = new RecycledNumbers();
			
			// read and parse input file
			FileInputStream fstream = new FileInputStream(inputFilePath);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;

			int lineNumber = 0;
			int noOfTestCases = -1;
			int activeTestCaseNumber = 0;
			while ((strLine = br.readLine()) != null) {
				
				if (lineNumber == 0) {
					noOfTestCases = Integer.parseInt(strLine);
				} else {
					noOfTestCases ++;
					activeTestCaseNumber ++;
					// Now that a test case has been parsed, compute output for
					// this test case
					
					// Invoke algorithm here
					int solutionToTestCase = recycled.computeCountOfRecycledPairs(strLine);
					
					// Prepare output string
					System.out.println(solutionToTestCase);
					output.append("Case #" + activeTestCaseNumber + ": " + solutionToTestCase);
					output.append("\n");
				}
				lineNumber++;
			}
			
			in.close();
			
			// Pass output string to method to write to file
			recycled.writeOutputToFile(output.toString(), args[1]);
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			// File read cleanup
		}
	}
}