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 * 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();

    }

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.ArrayList;

/**
 * 
 */

/**
 * @author Bryan
 *
 */
public class problemC {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String filePath = "/Users/Bryan/Documents/CodeJam/ProblemC/C-small-attempt0.in";
		boolean isFirstLine = true;
		int counter = 1;
		StringBuffer resultString = new StringBuffer();
		
		try {
			// Open the file that is the first
			// command line parameter
			FileInputStream fstream = new FileInputStream(filePath);
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			// Read File Line By Line
			while ((strLine = br.readLine()) != null) {
				if (isFirstLine){
					isFirstLine = false;
					continue;
				}
				
				resultString.append("Case #" + counter + ": ");
				String[] numberList = strLine.split(" ");
				int result = 0;
				int min = Integer.parseInt(numberList[0]);
				int max = Integer.parseInt(numberList[1]);
				for ( int a = min; a <= max; a++){
					result = result + noOfPairs(Integer.toString(a),min, max);
//					System.out.println("final result = " + result);
				}
				System.out.println("result = " + result/2);
				
				resultString.append(result/2);
				resultString.append("\n");
				counter++;
			}
			// Close the input stream
			in.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
		
		writeStringToFile(resultString.toString());
		
		


	}
	
	private static int noOfPairs(String num,int min, int max){
		int noOfPairs = 1;
		String oldString = num;

		String newString = "";
		String tempString = oldString;
		ArrayList<String> addedList = new ArrayList<String>();
		for ( int counter = 0; counter < oldString.length(); counter++){
			newString= tempString.substring(tempString.length()-1)+tempString.substring(0,tempString.length()-1);
			tempString=newString;
//			System.out.println(newString);
			
			if( !newString.startsWith("0") && Integer.parseInt(newString) <= max
					&&  Integer.parseInt(newString) >= min
					&&  !newString.equalsIgnoreCase(num)
					&& !addedList.contains(newString)){
				addedList.add(newString);
				noOfPairs++;
			}
		}
		if ( noOfPairs == 1 ){
			return 0;
		}
		return noOfPairs - 1;
//		return nCr(noOfPairs,2);
	}
	
	private static void writeStringToFile(String outputString) {
		try {
			// Create file
			FileWriter fstream = new FileWriter("/Users/Bryan/Documents/CodeJam/ProblemC/output.txt");
			BufferedWriter out = new BufferedWriter(fstream);
			out.write(outputString);
			// Close the output stream
			out.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}

}
