/*
 * 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 qualification;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class C {
    private static abstract class Solver {
        public abstract String solveCase(String input);
    }

    public static void main(String[] args) throws IOException {
        solveTasks("C-small-attempt1", new Solver() {
            @Override
            public String solveCase(String input) {
                String[] parts = input.split(" ");
                int from = Integer.parseInt(parts[0]);
                int to = Integer.parseInt(parts[1]);
                int count = countRecycledBetween(from, to);
                return Integer.toString(count);
            }
        });
    }

    private static void solveTasks(String name, Solver bTest)
            throws FileNotFoundException, IOException {
        BufferedReader bufferedReader = new BufferedReader(new FileReader(name
                + ".in"));
        FileWriter outputWriter = new FileWriter(name + ".out");
        int inputLength = Integer.parseInt(bufferedReader.readLine());
        for (int i = 0; i < inputLength; i++) {
            String inputLine = bufferedReader.readLine();
            String output = bTest.solveCase(inputLine);
            String answer = "Case #" + (i + 1) + ": " + output;
            outputWriter.append(answer);
            outputWriter.append('\n');
            System.out.println(answer);
        }
        bufferedReader.close();
        outputWriter.close();
    }

    private static int countRecycledBetween(int a, int b) {
        int recycled = 0;
        for (int i = a; i < b; i++) {
            for (int j = i + 1; j <= b; j++) {
                if (isRecycled(i, j)) {
                    recycled++;
                }
            }
        }
        return recycled;
    }

    private static boolean isRecycled(int aInt, int bInt) {
        String aString = Integer.toString(aInt);
        String bString = Integer.toString(bInt);
        int lengthDiff = aString.length() - bString.length();
        if (lengthDiff > 0) {
            bString = appendZeroes(lengthDiff, bString);
        } else if (lengthDiff < 0) {
            aString = appendZeroes(-lengthDiff, aString);
        }
        for (int i = 1; i < aString.length(); i++) {
            String shifted = shiftString(bString, i);
            if (aString.equals(shifted)) {
                return true;
            }
        }
        return false;
    }

    private static String appendZeroes(int zeroes, String base) {
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < zeroes; i++) {
            stringBuilder.append('0');
        }
        stringBuilder.append(base);
        return stringBuilder.toString();
    }

    private static String shiftString(String input, int steps) {
        StringBuilder builder = new StringBuilder();
        builder.append(input.substring(steps));
        builder.append(input.substring(0, steps));
        return builder.toString();
    }

    private static int[] splitDigits(int number) {
        String string = Integer.toString(number);
        int[] digits = new int[string.length()];
        for (int i = 0; i < digits.length; i++) {
            digits[i] = string.charAt(i) - '0';
        }
        return digits;
    }
}
