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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.google.codejam;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;

public class RecycleNumbers {

	private static FileReader fr;
	private static BufferedWriter bw;
	private static List<String> output = new ArrayList<String>();
	private static Map<Integer, String> input;

	public static void main(String args[]) {

		try {
			RecycleNumbers.fileRead();
			RecycleNumbers.coreLogic();
			RecycleNumbers.fileWrite();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	private static void fileRead() throws IOException {
		try {
			fr = new FileReader("D:/data/C-small-attempt0.in");
			BufferedReader br = new BufferedReader(fr);
			input = new HashMap<Integer, String>();
			String line;
			int counter = 1;
			while ((line = br.readLine()) != null) {
				input.put(counter, line);
				counter++;
			}
			System.out.println(input);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		finally {
			fr.close();
		}

	}

	private static void fileWrite() throws IOException {
		int counter = 1;
		try {
			bw = new BufferedWriter(new FileWriter(new File("D:/data/output.txt"), true));
			for (String writeLine : output) {
				bw.write("Case #" + counter + ": ");
				bw.write(writeLine);
				bw.newLine();
				counter++;
			}
			bw.close();
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	private static void coreLogic() {
		int noOfCases = Integer.valueOf(input.remove(Integer.valueOf("1")));
		System.out.println("Number of Cases: " + noOfCases);
		StringBuffer outputString;
		for (int counter = 2; counter <= noOfCases + 1; counter++) {
			outputString = new StringBuffer();
			String processLine = input.get(Integer.valueOf(counter));
			if (processLine != null) {
				while (processLine != null) {
					System.out.println("################Case #: " + (counter - 1) + "########################################");
					System.out.println("Processing line: " + processLine);
					outputString.append(processString(processLine));
					break;
				}
				output.add(outputString.toString());
			}

		}
	}

	private static String processString(String processLine) {
		StringTokenizer strToken = new StringTokenizer(processLine, " ");
		String start = "";
		String end = "";
		int output = 0;
		start = strToken.nextToken();
		end = strToken.nextToken();
		System.out.println("Start: " + start);
		System.out.println("End: " + end);
		int modulus = 10;
		int length = start.length();
		int counterLength = start.length();
		int startNumber = Integer.parseInt(start);
		int endNumber = Integer.parseInt(end);
		List<Integer> finalOutput = new ArrayList<Integer>();
		//Set<Integer> finalOutput = new HashSet<Integer>();
		if (startNumber >= 10) {
			while (true) {
				System.out.println("Length : " + length);
				System.out.println("Modulus Length : " + String.valueOf(modulus).length());
				if (length >= String.valueOf(modulus).length()) {
					for (int counter = startNumber; counter <= endNumber; counter++) {
						int numberA = counter;
						int calculation = (int) (((numberA % modulus) * Math.pow(10, counterLength -  1)) + (numberA / modulus));
						if ((calculation > numberA) && (calculation <= endNumber)) {
							System.out.println("@@@Number a: " + numberA + "  Calculation: " + calculation + "    Ouput: " + (output++));
							finalOutput.add(numberA);
						}
					}
				} else {
					break;
				}
				modulus = modulus * 10;
				counterLength = counterLength - 1;
			}

		}
		return String.valueOf(finalOutput.size());
	}
}
