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.sathish.codejam;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

/**
 * @author satselva
 *
 */
public class Recycle
{
    public void processInput(String fileName) throws IOException
    {
        FileInputStream fis = new FileInputStream(fileName);
        BufferedReader br = new BufferedReader(new InputStreamReader(fis));
        
        PrintWriter pw = new PrintWriter(new File("C:/downloads/output_problem_3.txt"));
        String input = br.readLine();
        int testCases = Integer.valueOf(input);
        
        for(int i=1; i<=testCases; i++)
        {
            input = br.readLine();
            String[] samples = input.split(" ");
            int ans = displayRecycleNum(Integer.valueOf(samples[0]), 
                    Integer.valueOf(samples[1]), samples[0].length());
            
            pw.println(String.format("Case #%d: %d", i, ans));
        }
        
        pw.flush();
        pw.close();
        
    }
    
    public int displayRecycleNum(int min, int max, int digits)
    {
        if(digits <= 1)
            return 0;
        
        Set<String> recyclePairSet = new HashSet<String>();
        
        for(int i=min; i<=max; i++)
        {
            String input = String.valueOf(i) + String.valueOf(i);
            for(int index=1; index < digits; index++)
            {
                String num = input.substring(index, index+digits);
                
                int numVal = Integer.valueOf(num);
                
                if(!(numVal > min && numVal < max))
                    continue;
                
                if(num.startsWith("0") || i == numVal)
                    continue;
                
                if(i < Integer.valueOf(num))
                {
                    recyclePairSet.add(String.valueOf(i) + String.valueOf(num));
                }
                else 
                {
                    recyclePairSet.add(String.valueOf(num) + String.valueOf(i));
                }
            }
        }
        return recyclePairSet.size();
    }
    
    public static void main(String[] args) throws IOException
    {
        Recycle recycle = new Recycle();
        recycle.processInput("C:/downloads/C-large.in");
        
    }
}
