/*
 * 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 qualification.q3;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * Created by IntelliJ IDEA.
 * User: ofer
 * Date: 14/04/12
 * Time: 20:31
 * To change this template use File | Settings | File Templates.
 */

public class Q3Solver {
    
    private Set<String> mapping;

    public Q3Solver(){
        mapping = new HashSet<String>();
    }
    
    public int solve(int a,int b){
        int res = 0;
        for (int i = a ; i <= b ; i++){
            res+= getNumberOfLegalRecycled(  b,  i);
        }
        return res;
    }

    private int getNumberOfLegalRecycled( int b, int num) {
        String numString = ""+num;
        int numDigits = numString.length();
        int res = 0;
        for (int i = 0 ; i < numDigits - 1 ; i++){
            String perm = numString.substring(numDigits - i - 1) + numString.substring(0,numDigits - i -1 );
            Integer newNum = Integer.parseInt(perm);
            String test = newNum+"";
            if (test.length() == numDigits){          //checks that there are no leading zeros
                if ( num != newNum  && newNum > num && newNum <= b){
                    if (!mapping.contains(newNum+","+num) && !mapping.contains(num+","+newNum))    {
                        res++;
                        mapping.add(num+ "," +newNum);
                        mapping.add(newNum +"," +num);
                    }

                }

            }
        }
    return res;
    }

}
