/*
 * To change this template, choose Tools | Templates
 * 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 luis.miguel.serrano.utilities;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

import luis.miguel.serrano.settings.GlobalSettings;

/**
 * Data class for processing input and generating output
 * @author Luis Miguel Serrano
 *
 */
public class DataC {

	private File inputFile;
	private File outputFile;

	public DataC(String inputFilePath, String outputFilePath) {
		this.inputFile = new File(inputFilePath);
		outputFile = new File(outputFilePath);
	}

	public DataC(File inputFile) {
		this.inputFile = inputFile;
		outputFile = new File(GlobalSettings.OUTPUT_FILE_PATH);
	}

	/**
	 * Processes the file passed as argument in the constructor
	 * @throws FileNotFoundException
	 */
	public void processFile() throws FileNotFoundException {
		if(outputFile.exists())
			outputFile.delete();

		Scanner scanner = new Scanner(inputFile);

		final int casesNumber = scanner.nextInt();
		scanner.nextLine();

		for(int i = 0; i!=casesNumber; ++i)
			processCase(scanner, i);

		System.out.println("Done processing file: "+inputFile);
	}

	//Format-specific
	private void processCase(Scanner scanner, int caseNumber) {
		//System.out.println("New Case");
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		
		int solution;
		solution = getSolution(a, b);

		//Write solution to file
		try {
			FileWriter fw = new FileWriter(outputFile, true);
			fw.write("Case #"+(caseNumber+1)+": "+solution+"\r\n");	
			fw.flush();
			fw.close();
		} catch (IOException e) {
			e.printStackTrace();
		}	
	}

	//Problem-specific
	private int getSolution(int a, int b){
		int solution = 0;

		for(int i = b; i!=a; --i) {
			for(int j = a; j<i; ++j) {
				if(isRecycled(j, i))
					++solution;
			}
		}

		return solution;
	}

	private boolean isRecycled(int n, int m) {
		String number = n+"";
		String recycled;
		
		//For each index of the string counting from the end, try switching it around in multiple attempts to obtain "m"
		for(int i = number.length()-1; i!=0; --i){
			recycled = number.substring(i)+number.substring(0, i);
			if(Integer.parseInt(recycled) == m)
				return true;
		}
		
		return false;
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {

		//DataC dataSample = new DataC(GlobalSettings.PROJECT_PATH+"\\input\\input_sample.in", GlobalSettings.PROJECT_PATH+"\\output\\input_sample.out");
		DataC dataSmall = new DataC(GlobalSettings.PROJECT_PATH+"\\input\\C-small-attempt0.in", GlobalSettings.PROJECT_PATH+"\\output\\C-small-attempt0.out");
		//DataB dataLarge = new DataB(GlobalSettings.PROJECT_PATH+"\\input\\B-large.in", GlobalSettings.PROJECT_PATH+"\\output\\B-large.out");

		try {
			//dataSample.processFile();
			dataSmall.processFile();
			//dataLarge.processFile();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		System.out.println("Finished processing all input!");
	}

}
