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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 codejam2012;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class ProblemC {
    
    public static void main(String[] args) throws FileNotFoundException, IOException {
        int T, n, A, B, recycle, lastN = 0, lastM = 1;
        
        ProblemC c = new ProblemC();
        
        Scanner sc = new Scanner(new FileReader("C-small-attempt3.in.txt"));
        PrintWriter pw = new PrintWriter(new FileWriter("outputPC.txt"));
        
        T = sc.nextInt();
        
        for(int i = 0; i < T; i++){
            
            A = sc.nextInt();
            B = sc.nextInt();
            recycle = 0;
            
            for(n = A; n < B; n++){
            
                int digits = Integer.toString(n).length();

                if(digits > 1){
                    
                    char[] num = new char[digits];
                    
                    for(int j = 0; j < digits; j++){
                        
                        num[j] = Integer.toString(n).charAt(j);
                        
                    }
                    
                    for(int j = 0; j < digits - 1; j++){
                        
                        c.rotateNum(num);
                        
                        if(Integer.parseInt(c.charToString(num)) <= B && Integer.parseInt(c.charToString(num)) > n){
                            
                            if(lastN == n && lastM == Integer.parseInt(c.charToString(num))){
                                recycle--;
                            }
                            
                            lastN = n;
                            lastM = Integer.parseInt(c.charToString(num));
                            
                            recycle++;
                            
                        }
                    }
                }
                
            }
            
            
            pw.print("Case #" + (i + 1) + ": ");
            pw.println(recycle);

        }
        
        pw.flush();
        pw.close();
        sc.close();
        
    }
    
    public String charToString(char[] c){
        String result = "";
        
        for(int i = 0; i < c.length; i++){
            result += c[i];
        }
        
        return result;
    }
    
    public void rotateNum(char[] c){
        char aux = c[c.length - 1];
        
        for(int i = c.length - 1; i > 0; i--){
            c[i] = c[i - 1];
        }
        
        c[0] = aux;
    }
    
}
