/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

package com.google.code.jam2012.problemC;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: Vahid
 * Date: 4/14/12
 * Time: 6:54 PM
 * To change this template use File | Settings | File Templates.
 */
public class ProblemC1 {

    public static void main(String[] args) throws IOException {

        Scanner scanner = new Scanner(new FileInputStream("data.in"));

        FileOutputStream out = new FileOutputStream("C1.out");
        long a, b, m,n;
        int lines = scanner.nextInt();
        scanner.nextLine();
        for (int i = 1; i<=lines; i++){
            a = scanner.nextLong();
            b = scanner.nextLong();
            out.write(("Case #"+i+": "+ calculate(a, b)).getBytes());
            out.write('\r');
            out.write('\n');
            if (scanner.hasNextLine()) scanner.nextLine();
        }
        scanner.close();
        out.close();
    }

    private static long calculate(long a, long b) {
        long logarithm = 1;
        long counter = 0;
        int len = 1;
        while (logarithm * 10 <= b) {
            logarithm *= 10;
            len++;
        }
        HashSet<Long> list;
        for (long n = a; n<b; n++) {
            list = new HashSet<Long>(100);
            long m = n;
            for (int i=1; i<len; i++){
                m = (m %10) *logarithm + (m/10);
                if ((n<m) && (m<=b) && (!list.contains(new Long(m)))) {
                    counter++;
                    list.add(new Long(m));
                }
            }
        }
        return  counter;
    }

}
