/*
 * 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.edwarddrapkin;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Scanner;

public class Numbers {
	
	private boolean isRecylced(int m, int n) {
		String sm = m + "";
		String sn = n + "";
		
		//eliminate some common cases
		
		// same number apparently doesn't count...
		
		if(sm.equals(sn)) {
			return false;
		}
		
		//not the same length
		while(sm.length() < sn.length()) {
			sm = "0" + sm;
		}
		
		while(sn.length() < sm.length()) {
			sn = "0" + sn;
		}
		
		//chars in m not in n
		for(char c : sm.toCharArray()) {
			if(!sn.contains("" + c)) {
				return false;
			}
		}
		
		//vice versa
		for(char c : sn.toCharArray()) {
			if(!sm.contains("" + c)) {
				return false;
			}
		}
		
		for(int i = 1; i < sm.length(); i++) {
			String slice = sm.substring(i) + sm.substring(0, i);
			if(slice.equals(sn)) {
				return true;
			}
		}
		
		return false;
	}
	
	private static String[] readFile(String file) throws IOException {
		Scanner scanner = new Scanner(new File(file));
		
		String numLines = scanner.nextLine();
		
		int nl = Integer.parseInt(numLines);
		
		String[] lines = new String[nl];
		int i = 0;
		
		while(scanner.hasNextLine() && i < nl) {
			lines[i] = scanner.nextLine();
			++i;
		}
		
		return lines;
	}
	
	public static void main(String[] args) throws Exception {
		Numbers num = new Numbers();

		String[] lines = readFile("C:/Users/Eddie/Desktop/google_input.txt");
		
		int i = 1;
		for(String line : lines) {
			Scanner lScanner = new Scanner(line);
			int low = lScanner.nextInt();
			int high = lScanner.nextInt();
			
			int numPossible = 0;
			for(int idx = low; idx <= high; idx++) {
				for(int inner = idx; inner <= high; inner++) {
					if(num.isRecylced(idx, inner)) {
						//System.out.println(high + " " + low + " " + idx + " " + inner);
						numPossible++;
					}
				}
				
			}
			
			System.out.println("Case #" + i + ": " + numPossible);
			i++;
		}
	}
}













