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 * 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.google.codejam.utils.files;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;


public class ManejoArchivos {
    private static String path = "D:\\Proyectos\\Google\\files\\2012\\";
    
    public static int[][] readFile(String name) throws FileNotFoundException, 
                                                        IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(path + name)));
        
        int arr[][] = new int[Integer.parseInt(br.readLine())][2];
        for(int i=0;i<arr.length;i++) {
            String str[] = br.readLine().split(" ");
            arr[i][0] = Integer.parseInt(str[0]);
            arr[i][1] = Integer.parseInt(str[1]);
        }
        
        return arr;
    }
    
    public static void writeFile(String name, StringBuffer sb) throws FileNotFoundException {
        PrintWriter out = new PrintWriter(new FileOutputStream(path + name));
        out.print(sb.toString());
        out.flush();
        out.close();
    }
    
    
    public static int LOG = 0;
    private static BufferedReader in = null;
    public static void initInput(String name) throws FileNotFoundException {
        in = new BufferedReader(new InputStreamReader(new FileInputStream(path + name + ".in")));
    }
    public static void closeInput() throws IOException {
        in.close();
    }
    
    private static void logRead(String str) {
        if( LOG == 1 ) {
            System.out.println(str);
        }
    }
    public static String getString() throws IOException {
        String str = in.readLine();
        logRead(str);
        
        return str;
    }    
    public static String[] getStrings() throws IOException {
        String str = in.readLine();
        logRead(str);
        
        return str.split(" ");
    }
    public static int getInt() throws IOException {
        String str = in.readLine();
        logRead(str);
        
        return Integer.parseInt(str);
    }
    public static int[] getInts() throws IOException {
        String str = in.readLine();
        logRead(str);
        
        String arr[] = str.split(" ");
        int ints[] = new int[arr.length];
        for(int i=0;i<arr.length;i++) {
            ints[i] = Integer.parseInt(arr[i]);
        }
        return ints;
    }
    public static long[] getLongs() throws IOException {
        String str = in.readLine();
        logRead(str);
        
        String arr[] = str.split(" ");
        long longs[] = new long[arr.length];
        for(int i=0;i<arr.length;i++) {
            longs[i] = Long.parseLong(arr[i]);
        }
        return longs;
    }
    
    public static int TIPO_WRITE = 0;
    private static PrintWriter out = null;
    private static String strName = null;
    public static void initOutput(String name) throws FileNotFoundException {
        initOutput(name, false);
    }
    public static void initOutput(String name, boolean append) throws FileNotFoundException {
        strName = name;
        out = new PrintWriter(new FileOutputStream(path + name + ".out", append));
    }
    public static void closeOutput() {
        try {
            out.flush();
            out.close();
        } catch( Exception e ) {
            e.printStackTrace();
        }
    }

    private static void openWrite() throws FileNotFoundException {
        if( TIPO_WRITE == 1 ) {
            initOutput(strName, true);
        }
    }
    private static void closeWrite() {
        if( TIPO_WRITE == 1 ) {
            closeOutput();
        }
    }
    public static void writeCase(int i, String str) throws FileNotFoundException {
        openWrite();
        
        out.print("Case #");
        out.print(i);
        out.print(": ");
        out.print(str);
        out.print("\n");
        
        closeWrite();
    }
}
