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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 qualification;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Recycled {
	public static void main(String[] args) throws FileNotFoundException {
		List<Pair> list = new ArrayList<Pair>();
		Scanner s = new Scanner(new File("C-small-attempt1.in"));
		s.nextLine();

		int count = 1;
		while (s.hasNext()) {
			int a = s.nextInt();
			int b = s.nextInt();
			int result = 0;
			list.clear();

			for (int i = a; i < b; i++) {
				String as = i + "";

				int l = as.length();
				for (int j = 1; j < as.length(); j++) {
					String back = as.substring(l - j, l);
					String front = as.substring(0, l - j);
					String ts = back + front;

					if (back.charAt(0) == '0' || as.length() != ts.length() || as.equals(ts))
						continue;
					int tsInt = Integer.parseInt(ts);
					
					if (tsInt <= b && i <= tsInt){
						boolean hasPair = false;
						for(int k=0; k<list.size(); k++){
							Pair p = list.get(k);
							if(p.a.equals(String.valueOf(i)) && p.b.equals(ts)){
								hasPair = true;
								break;
							}
						}
						if(!hasPair){
							list.add(new Pair(i+"", ts));
							result++;
						}
					}

				}
			}

			System.out.print("Case #" + count + ": " + result);

			if (s.hasNext()) {
				count++;
				System.out.println();
			}
		}
	}
}

class Pair{
	String a;
	String b;

	Pair(String a, String b){
		this.a = a;
		this.b = b;
	}
}