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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


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

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

package com.prob1;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

public class ClassB {
	public static void main(String args[]){
		   try{
		      BufferedReader in = new BufferedReader(new FileReader("D://NewFolder2//C-small-attempt0.in")); 
		      //BufferedReader in = new BufferedReader(new FileReader("D://NewFolder2//C-large.in")); 
		      PrintWriter out = new PrintWriter(new FileWriter("D://NewFolder2//test1.txt")); 
		      int c =1;
		      //int x =0;
		      while (in.ready()){
		    	  String text = in.readLine();
		    	  
		    	  if(c != 1){
		    		  StringTokenizer tokenizer = new StringTokenizer(text," "); 
			    	  String[] allText = new String[2]; 
			    	  int pos = 0; 
			    	  while (tokenizer.hasMoreTokens()) 
			    	        allText[pos++] = tokenizer.nextToken();
			    	long lower_limit = Long.parseLong(allText[0]);
					long upper_limit = Long.parseLong(allText[1]);
					long result = countRecycledNums(lower_limit,upper_limit);
    	    		  String text1 = "Case #"+(c-1)+": "+result;
			          out.println(text1);
			          c++;
		    	  }
		    	  else{
		    		 // x = Integer.parseInt(text); 
		    		  c++;
		    	  }
		      }
		      out.close();
		      in.close();
		   }catch(IOException e){
		      System.out.print("Exception");
		   }	
	 } //end of main

	
  private static int countNumDigits( long number)
	{
		int count = 1;
		count = 1 + (int)Math.floor(Math.log10(number));
		return count;
	}
  
  
//Rotate a number by specified positioon
  private static long cyclicRotate( long num, int numLen, int pos )
  {
  	long new_num, suffix,prefix;
  	long compute_by = (long)(Math.pow((double)10,(numLen - pos )));
  	suffix =  num / compute_by ;
  	prefix =  num % compute_by ;

  	new_num = prefix *  (long)Math.pow((double)10, pos ) + suffix;

  	return new_num;
  }
  
  
  static long countRecycledNums(long lower_limit, long upper_limit)
  {
  	long uniq_recycle_pair_count = 0;
  	int num_digits =  countNumDigits ( lower_limit);
  	if ( num_digits == 1 ){ 
  		return 0;
  		}

  	for ( int counter = (int)lower_limit ; counter < upper_limit ; counter++)
  	{
  		Set set = new HashSet();

  		for ( int pos = 1 ; pos < num_digits ; pos++ ) 
  		{
  			long recycled_num = cyclicRotate(counter,num_digits,pos);
  			if ( recycled_num <= counter)
  			{
  				continue;
  			}
  			if ( lower_limit <= recycled_num && upper_limit >= recycled_num )  
  			{
  				uniq_recycle_pair_count++;
  				set.add(recycled_num);
  				
  			}
  		}
  	}
  	return uniq_recycle_pair_count;
  }
}