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

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.googlerese.core;

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

import com.googlerese.file.FileRead;
import com.googlerese.file.FileWrite;

public class NumberRecycler {

    private static final String inputFileName = "C:/Documents and Settings/garan14/Desktop/input.txt";

    private static final String outputFileName = "C:/Documents and Settings/garan14/Desktop/out.txt";

    private static int divider = 1;


    public static void main( String[] args ) {
        NumberRecycler convertor = new NumberRecycler();
        Map<Integer, String[]> input = FileRead.getInstance().read( inputFileName );
        int testCases = input.size();
        Map<Integer, String> output = new HashMap<Integer, String>( testCases );

        for ( int i = 1; i <= testCases; i++ ) {
            String[] arr = input.get( i );
            String outputStr = convertor.convert( Integer.parseInt( arr[0] ), Integer.parseInt( arr[1] ) );
            System.out.println( "Output : " + outputStr );
            output.put( i, outputStr );
        }
        FileWrite.getInstance().write( outputFileName, output );
    }

    private String convert( final int start, final int end ) {
        int count = 0;
        for ( int i = start; i <= end; i++ ) {
            if ( i > 0 && i < 10 ) {
                divider = 1;
            } else if ( i > 9 && i < 100 ) {
                divider = 10;
            } else if ( i > 99 && i < 1000 ) {
                divider = 100;
            } else if ( i > 999 & i < 10000 ) {
                divider = 1000;
            } else if ( i > 9999 & i < 100000 ) {
                divider = 10000;
            } else if ( i > 99999 & i < 1000000 ) {
                divider = 100000;
            }
            int num = i;
            do {
                int rem = num % 10;
                num = num / 10;
                num = rem * divider + num;
                if ( num > i && num <= end ) {
                    count++;
                }
            } while ( i != num );
        }
        return "" + count;
    }
}
