/*
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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 org.tritree_tritree;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;

public class ProblemCSmall {

	public static void main(String[] args) throws IOException {
		File source = new File("C-small-attempt0.in");
		Scanner scan = new Scanner(source);

		int t = scan.nextInt();
		scan.nextLine();
		List<String> resultList = new ArrayList<String>();
		for (int i = 1; i < t + 1; i++) {
			int n = scan.nextInt();
			int m = scan.nextInt();
			String result = "Case #" + i + ": " + resolve(n, m);
			resultList.add(result);
		}

		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd_hhmmss");
		File resultFile = new File("C-small-" + dateFormat.format(new Date()) + ".out");
		FileOutputStream fileOutputStream = new FileOutputStream(resultFile);

		for (String result: resultList) {
			result = result + "\n";
			fileOutputStream.write(result.getBytes());
		}
		fileOutputStream.flush();
		fileOutputStream.close();
	}

	private static int resolve(int n, int m) {
		int cnt = 0;
		Set<Integer> pool = new HashSet<Integer>();
		for (int i = n; i < m + 1; i++) {
			if (i < 10 || pool.contains(i)) {
				continue;
			}
			List<Integer> recycleNumbers = getRecycleNumbers(i);
			System.out.println("i=" + i + ",recycleNumbers=" + recycleNumbers);
			Collections.sort(recycleNumbers);
			for (Iterator<Integer> iterator = recycleNumbers.iterator(); iterator.hasNext();) {
				int value = (Integer) iterator.next();
				if (n <= value && value <= m) {
					// do nothing
				} else {
					iterator.remove();
				}
			}
			if (1 < recycleNumbers.size()) {
				pool.addAll(recycleNumbers);
				cnt = cnt + getCombination(recycleNumbers.size());
			}
		}
		return cnt;
	}

	private static int getCombination(int size) {
		int result = (size * (size - 1)) / 2;
		return result;
	}

	private static List<Integer> getRecycleNumbers(int intValue) {
		Set<Integer> set = new LinkedHashSet<Integer>();
		String str = String.valueOf(intValue);
		for (int i = 0; i < str.length(); i++) {
			String string = getStartIndexString(str, i);
			if (string.startsWith("0")) {
				continue;
			}
			set.add(Integer.valueOf(string));
		}
		return new ArrayList<Integer>(set);
	}

	private static String getStartIndexString(String str, int startIndex) {
		StringBuilder builder = new StringBuilder();
		for (int i = 0; i < str.length(); i++) {
//			System.out.print("start:" + (startIndex + i) % str.length());
//			System.out.println(",end:" + ((startIndex + i) % str.length() + 1));
			builder.append(str.substring((startIndex + i) % str.length(), (startIndex + i) % str.length() + 1));
		}
		return builder.toString();
	}

}
