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.khajochi.codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;

public class RecycledNumbers
{

	/**
	 * @param args
	 */
	public static void main(String[] args)
	{
		try
		{
			RecycledNumbers sp = new RecycledNumbers();

			FileInputStream fstream = new FileInputStream("/Users/msmart/Documents/My Work/Workspace/M/resource/2012round1/1CSmall.in");
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String str = br.readLine();
			int count = 1;
			while ((str = br.readLine()) != null)
			{
//				System.out.println(str);
				
				int start = Integer.parseInt(str.split(" ")[0]);
				int end = Integer.parseInt(str.split(" ")[1]);
				
				int possible = findPossible(start,end);
				
				System.out.println("Case #" + count++ + ": " + possible);
				
			}
			in.close();
		}
		catch (Exception e)
		{
			System.err.println(e);
		}
	
	}

	private static int findPossible(int start, int end)
	{
		int count = 0;
		HashMap <String, String> exclude = new HashMap <String, String>();
		
		for (int i = start; i <= end; i++)
		{
			String num = String.valueOf(i);
			
			if ( num.length() > 1 )
			{
				for (int j = 1; j < num.length(); j++)
				{
					int newNum = Integer.valueOf(num.substring(j,num.length()) + num.substring(0,j)).intValue();
//					System.out.println(newNum);
					
					if ( newNum >= start && newNum <= end && newNum != Integer.parseInt(num) )
					{
						boolean skip = false;
						
						if ( exclude.get(num) != null && exclude.get(num).equals(String.valueOf(newNum)) )
							skip = true;
						
						if ( exclude.get(newNum) != null && exclude.get(String.valueOf(newNum)).equals(num) )
							skip = true;
						
						if ( skip == false )
						{
//							System.out.println("Yes : " + num + " > " + newNum);
							exclude.put(num, String.valueOf(newNum));
							count++;
							continue;
						}
					}
				}
			}
		}
		
//		System.out.println(count/2);
		return count/2;
	}

}
