/*
 * 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 quialification;

import base.Base;

import java.io.PrintStream;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

/**
 * Created with IntelliJ IDEA.
 * User: babulya
 * Date: 14.04.12
 * Time: 19:45
 * To change this template use File | Settings | File Templates.
 */
public class C extends Base {
    private static class Number {
        private int[] digits;

        private Number(int[] digits) {
            this.digits = digits;
        }

        public Number(int N) {
            int dc = (int) Math.ceil(Math.log10(N + 1));
            digits = new int[dc];
            for (int i = 0; i < dc; i++) {
                digits[i] = N % 10;
                N = N / 10;
            }
        }

        private static int compareTo(int o1, int o2) {
            return o1 - o2;
        }

        public int compareTo(Number other) {
            int res = compareTo(digits.length, other.digits.length);
            if (res != 0) return res;
            int ind = digits.length - 1;
            while (ind >= 0 && digits[ind] == other.digits[ind]) {
                ind--;
            }
            if (ind >= 0) return compareTo(digits[ind], other.digits[ind]);
            return 0;
        }

        public Set<Number> pairs() {
            Set<Number> res = new HashSet<Number>();
            for (int i = 0; i < digits.length - 1; i++) {
                int[] newdigits = new int[digits.length];
                for (int j = 0; j <= i; j++) {
                    newdigits[j + digits.length - i - 1] = digits[j];
                }
                for (int j = i + 1; j < digits.length; j++) {
                    newdigits[j - i - 1] = digits[j];
                }
                res.add(new Number(newdigits));
            }
            return res;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;

            Number number = (Number) o;

            if (!Arrays.equals(digits, number.digits)) return false;

            return true;
        }

        @Override
        public int hashCode() {
            return digits != null ? Arrays.hashCode(digits) : 0;
        }

        public String toString() {
            StringBuilder sb = new StringBuilder();
            for (int i = digits.length - 1; i >= 0; i--) {
                sb.append(digits[i]);
            }
            return sb.toString();
        }
    }

    private static int solve(int a, int b) {
        int result = 0;
        Number A = new Number(a);
        Number B = new Number(b);
        for (int n = a; n <= b; n++) {
            Number N = new Number(n);
            for (Number M : N.pairs()) {
                if (A.compareTo(N) <= 0 && N.compareTo(M) < 0 && M.compareTo(B) <= 0) {
                    result++;
                }
            }
        }
        return result;
    }

    @Override
    protected void solve(Scanner in, PrintStream out) {
        int T = in.nextInt();
        for (int i = 1; i <= T; i++) {
            int A = in.nextInt();
            int B = in.nextInt();
            out.println(String.format("Case #%d: %d", i, solve(A, B)));
        }
    }

    public static void main(String[] args) {
        long now = System.currentTimeMillis();
        new C();
        System.out.println((System.currentTimeMillis() - now)/1000);
    }
}
