package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

package com.numbers.recycle.algo;

import java.util.ArrayList;
import java.util.List;

public class Recycler {
	
	public int getRecycledNumberCount(String[] wordsInOrder){
		int beginNumber = Integer.valueOf(wordsInOrder[0]);
		int endNumber = Integer.valueOf(wordsInOrder[1]);
		int counter = 0;
		for(int current = beginNumber ; current <= endNumber ; current++)
		{
			List<Integer> recycledNumbers = getRecycledNumbers(current);
			for(int recycledNumber: recycledNumbers)
			{
				if(beginNumber <= current 
						&& current < recycledNumber
						&& recycledNumber <= endNumber)
					counter ++;
			}
		}
		return counter;
	}

	private List<Integer> getRecycledNumbers(int i) {
		List<Integer> returnList = new ArrayList<Integer>();
		String number = String.valueOf(i);
		int length = number.length();
		for(int counter = 1; counter < length; counter++)
		{
			number = number.charAt(length - 1) + number.substring(0,length - 1);
			int numValue = Integer.valueOf(number);
			if(!returnList.contains(numValue))
			returnList.add(Integer.valueOf(number));
		}
		return returnList;
	}

}
