package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

package com.codejam;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;

public class CodeJam13 {
	char map[];

	public static void main(String[] args) {
		Scanner fileIn = null;
		FileWriter fileOut = null;

		try {
			fileIn = new Scanner(new File("input.txt"));
			fileOut = new FileWriter(new File("output.in"));
			int noOfTestCases = Integer.parseInt(fileIn.nextLine());

			int testCase = 0;
			while (fileIn.hasNextLine()) {
				testCase++;
				int count=0;
				
				String sa = fileIn.next();
				int len = sa.length();
				int factor = (int)Math.pow(10,len-1);
				int a = Integer.parseInt(sa);
				int a1=a;
				int b = fileIn.nextInt();
				fileIn.nextLine();
				
				while(a1<=b){
					HashSet set = new HashSet();
					for(int i=0;i<len-1;i++){						
						int newA = (a%10)*factor + a/10;					
						set.add(a1);						
						if(newA<factor){
							
						}
						else if(newA>=a1 && newA<=b){
							if(set.add(newA)){
								count++;
							}
						}						
						a=newA;					
					}
					//System.out.println(a1 + "   " + count);
					a=++a1;
				}
							
				fileOut.write("Case #" + testCase + ": " + count
						+ "\n");
			}
			fileIn.close();
			fileOut.close();
		} catch (IOException ex) {
			System.out.println(ex.getMessage());
		}
	}

}
