/*
 * 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.google.codejam;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;
import java.util.regex.Pattern;

public class CodeJam3 {
	private static int testCase;
	private static FileOutputStream fostream;
	private static DataOutputStream out;

	public static void main(String[] args) {

		try {
			fostream = new FileOutputStream("output3.out");
			out = new DataOutputStream(fostream);
			Scanner scanner = new Scanner(new File("C-small-attempt2.in"));
			String inputNumberline = scanner.nextLine();
			testCase = Integer.parseInt(inputNumberline);
			for (int i = 0; i < testCase; i++) {
				filterString(scanner.nextLine(), i);
			}
			out.close();
		} catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}

	}

	private static void filterString(String fstring, int caseNumber) {

		final Pattern SPACE = Pattern.compile(" ");
		int A = 0, B = 0;
		int i = 0;
		for (String token : SPACE.split(fstring)) {
			try {
				if (i == 0) {
					A = Integer.parseInt(token);
					i++;
				} else {
					B = Integer.parseInt(token);
					i++;
				}
			} catch (NumberFormatException ex) {
				System.err.println(token + " is not a number");
			}
		}

		int c1, c3, x1, x2, x3, x4;

		int count = 0;
		int length = String.valueOf(A).length();
		if (!(length < 2))
			for (int j = A; j < B; j++) {
				switch (length) {
				case 2:
					c1 = j % 10;
					c3 = j / 10;
					c1 = (c1 * 10) + c3;
					if (c1 > A && c1 <= B) {
						count++;
					}
					A++;
					break;
				case 3:
					x1 = j % 10;
					x2 = j % 100;
					x3 = j / 10;
					x4 = j / 100;
					x1 = (x1 * 100) + x3;
					x2 = (x2 * 10) + x4;
					if (x1 > A && x1 <= B) {
						count++;
					}
					if (x2 > A && x2 <= B) {
						count++;
					}
					A++;
					break;
				}
			}

		System.out.println("Case #" + (caseNumber + 1) + ": " + count);
		try {
			out.writeBytes("Case #" + (caseNumber + 1) + ": " + count + "\n");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}
