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.google.codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class ProblemB {

	/**
	 * @param args
	 */
	
	public void calculate(int numTestCase, int a, int b){
		
			int count = 0 ;
			if(b<10 || a==b)
				count = 0; 
			
			else{
				for ( int i=a ; i <= b; i++){
					String num = String.valueOf(i);
				    String correctNum = String.valueOf(i);
				
					String finalStr ="" ;
					while(!correctNum.equals(finalStr)){
						String first = num.substring(0,1);
						String rest = num.substring(1);
						 finalStr = rest+first ;
							num = finalStr ;
						 if(finalStr.startsWith("0") || first.equals(rest))
							 continue;
						int num2 = Integer.parseInt(finalStr);
						if(num2<=b && num2!=i && i<num2)
							count ++ ; 
					
					}
				}
			}
			
			System.out.println("Case #"+(numTestCase)+": "+(count));
		
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ProblemB b = new ProblemB();
		//b.calculate(1,17,79);
		b.fileRead(b);
	}

	public void fileRead(ProblemB bb){
		 FileInputStream fstream;
			try {
				fstream = new FileInputStream("D:\\1.txt");
				 DataInputStream in = new DataInputStream(fstream);
				    BufferedReader br = new BufferedReader(new InputStreamReader(in));
				    String strLine;
				    //Read File Line By Line
					int testCase =0 ;
				    while ((strLine = br.readLine()) != null)   {
				    // Print the content on the console
				    	 testCase = Integer.parseInt(strLine);
						 
				    	for(int i = 0 ; i < testCase ; i++){
							String line = br.readLine() ;
							String[]array = line.split(" ");
							int a = Integer.parseInt(array[0]);
							int b = Integer.parseInt(array[1]);
							bb.calculate(1+i ,a ,b);
				    	}
						
				    }
					
				    
				   in.close() ;
				  
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		    // Get the object of DataInputStream
			catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		   
	 }
}
