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.gcj.recyclednumbers;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @original Apr 14, 2012 12:08:21 PM
 * @author lewisju
 */
public class Solve
{
    final Set<RecycledPair> distinct = new HashSet<RecycledPair>();
    final int a;
    final int b;
    
    public Solve(int a, int b)
    {
        this.a = a;
        this.b = b;
        
        for(int i = a; i <= b; i++)
        {
            List<Integer> ints = recycled(i);
            for(int recycled : ints)
            {
                if(recycled <= b && recycled >= a)
                {
                    RecycledPair p = new RecycledPair(i,recycled);
                    distinct.add(p);
                }
            }
        }
    }

    private List<Integer> recycled(int number)
    {
        ArrayList<Integer> list = new ArrayList<Integer>();
        
        String s = Integer.toString(number);
        
        for(int i=1; i < s.length(); i++)
        {
            int splitpoint = s.length()-i;
            String begin = s.substring(0, splitpoint);
            String end = s.substring(splitpoint);
            String result = end+begin;
            if(!result.startsWith("0") && !result.equals(s))
                list.add(Integer.parseInt(result));
        }
        
        return list;
    }

    public int count()
    {
        return distinct.size();
    }
    
    class RecycledPair
    {
        private final int a;
        private final int b;

        public RecycledPair(int i, int recycled)
        {
            if(i < recycled)
            {
                a = i;
                b = recycled;
            }
            else
            {
                a = recycled;
                b = i;
            }
        }

        @Override
        public int hashCode()
        {
            final int prime = 31;
            int result = 1;
            result = prime * result + a;
            result = prime * result + b;
            return result;
        }

        @Override
        public boolean equals(Object obj)
        {
            RecycledPair other = (RecycledPair) obj;
            return a==other.a && b==other.b;
        }

        @Override
        public String toString()
        {
            return ""+a+" "+b;
        }
    }
    
    public static void main(String[] args)
    {
        try
        {
            BufferedReader reader = new BufferedReader(new FileReader("input.txt"));
            
            String T = reader.readLine();
            int t = Integer.parseInt(T);
            
            for(int i=0; i < t; i++)
            {
                String line = reader.readLine();
                String[] inputs = line.split(" ");
                int a = Integer.parseInt(inputs[0]);
                int b = Integer.parseInt(inputs[1]);
                
                Solve s = new Solve(a, b);
                StringBuffer sb = new StringBuffer();
                sb.append("Case #");
                sb.append((i+1));
                sb.append(": ");
                sb.append(s.count());
                System.out.println(sb.toString());
            }
        }
        catch (FileNotFoundException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

