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 codej;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class QualB {
	Scanner scanner = null;
	int caseLog = 0;
	int A = 0;
	int B = 0;
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		QualB b = new QualB();
		b.go();
	}
	
	public void go() {		
		try {
			scanner = new Scanner(new File("input.txt"));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		int N = scanner.nextInt();	
		for (int i=1; i <= N; i++) {
			scanner.nextLine();
			System.out.print("Case #" + i +": ");
			System.out.println(doCase());
		}
	}
	
	public int doCase() {
		int rval = 0;
		A = scanner.nextInt();
		B = scanner.nextInt();
		caseLog = (int) Math.log10(A);
		
		if (A < 10)
			return 0;
		
		for (int i = A; i <= B; i++) {
			rval += recycle(i);
		}
		return rval;
	}
	
	public int recycle(int i) {
		Set<Integer> recset = new HashSet<Integer>();
		for (int log = caseLog; log > 0; log--) {
			int recycled = 0;
			int dec = (int) Math.pow(10, log);
			int rdec = (int) Math.pow(10, caseLog - (log - 1));
			recycled += (i % dec) * rdec;
			recycled += i / dec;
			if (recycled > i && recycled <= B) {
				recset.add(recycled);
			}			
		}
		return recset.size();
	}
}
