package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

package codejam.recycled;

import codejam.is.TestAbstract;

import java.util.*;

/**
 * Created with IntelliJ IDEA.
 * User: ofer
 * Date: 4/14/12
 * Time: 2:41 AM
 * To change this template use File | Settings | File Templates.
 */
public class RecycledTest extends TestAbstract {
    @Override
    public void run(String s) {
        StringTokenizer tokenizer = new StringTokenizer(s);
        int min = Integer.parseInt(tokenizer.nextToken());
        int max = Integer.parseInt(tokenizer.nextToken());

        int tmp = max;
        int length = 0;
        while (tmp != 0) {
            tmp = tmp / 10;
            length++;
        }

        int resultCounter = 0;
        for (int i = min; i < max; i++) {
            int rotatedNum = i;
            Set<Integer> foundSet = new HashSet<Integer>();
            for (int j = 0; j < length-1; j++) {

                int end = rotatedNum / 10;
                int beginning = (int)Math.pow(10,length-1) * (rotatedNum%10);

                rotatedNum = beginning + end;
                if (rotatedNum > i && rotatedNum <= max && !foundSet.contains(rotatedNum)) {
                    foundSet.add(rotatedNum);
//                    output.append("\n");
//                    output.append(i);
//                    output.append("->");
//                    output.append(rotatedNum);
                    resultCounter++;
                }
            }
        }
        output.append(resultCounter);
    }
}
