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 gcj;

import java.io.BufferedReader;
import java.io.FileReader;

public class Gcj {
	private static final String path = "/home/me/dev/gcj/";
	private BufferedReader br = null;
	private String[] tokens;
	private int itoken,ntokens;
	
	static public void err(String e) {
		System.out.println("\n**\n"+e+" :-)\n");
		System.exit(1);
	}
	
	public Gcj(String filename) {
		try {
			br = new BufferedReader(new FileReader(path + filename));
		}
		catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public String rawLine() {
		String line = null;
		
		try {
			line = br.readLine();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
		return line;
	}
	
	
	public String[] readLine() {
		
		String line = rawLine();
		
		if (line == null) {
			tokens = null;
			ntokens = 0;
		}
		else {
			tokens = line.trim().split("\\s+");
			ntokens = tokens.length;
		}
		itoken = 0;
		
		return tokens;
	}
	
	private String nextToken() {
		String err = null;
		if (ntokens < 1) err = "There is no token";
		else if (itoken >= ntokens) err = "No more token";
		else {
			return tokens[itoken++];
		}
		
		Gcj.err(err);
		return null;
	}
	
	public String sToken() {
		return nextToken();
	}

	public String[] sBunch() {
		String[] l = new String[ntokens-itoken];
		int i=0;
		while (itoken < ntokens) l[i++] = tokens[itoken++];
		return l;
	}

	public char cToken() {
		return nextToken().charAt(0);
	}

	public char[] cBunch() {
		char[] l = new char[ntokens-itoken];
		int i = 0;
		while (itoken < ntokens) l[i++] = tokens[itoken++].charAt(0);
		return l;
	}

	public int iToken() {
		return Integer.parseInt(nextToken());
	}

	public int[] iBunch() {
		int[] l = new int[ntokens-itoken];
		int i = 0;
		while (itoken < ntokens) l[i++] = Integer.parseInt(tokens[itoken++]);
		return l;
	}
	
	public long lToken() {
		return Long.parseLong(nextToken());
	}

	public long[] lBunch() {
		long[] l = new long[ntokens-itoken];
		int i = 0;
		while (itoken < ntokens) l[i++]  = Long.parseLong(tokens[itoken++]);
		return l;
	}
	
	public double dToken() {
		return Double.parseDouble(nextToken());
	}

	public double[] dBunch() {
		double[] l = new double[ntokens-itoken];
		int i = 0;
		while (itoken < ntokens) l[i++] = Double.parseDouble(tokens[itoken++]);
		return l;
	}

	
	// -- utils
	
	// keep leading zeroes...
	public int[] breakdownNumber(String s) {
		int n = (s == null ? 0 : s.length());
		int[] aa = new int[n];
		if (n > 0) {
			char[] cc = s.toCharArray();
			for (int i=0 ; i<n ; i++) {
				aa[i] = cc[i] - '0';
			}
		}
		return aa;
	}
	
	
	// --
	
	public void terminate() {
		try {
			if (br != null) br.close();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
		System.out.println("");
	}
	
	
	// --- OUTPUT ---
	
	public static void outcase(int n, boolean rc) {
		System.out.print("Case #" + n + ": ");
		if (rc) System.out.print("\n");
	}
	
}
