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());
	}

}

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class ProblemSample implements Problem {

    private int solution;

    private int A;

    @Override
    public void solve() {

        int resultat = 0;

        for (int n = A; n <= B; n++) {

            // on trouve toutes les rotations de n
            String stringN = Integer.toString(n);
            int size = stringN.length();

            Set<Integer> mySet = new HashSet<Integer>();

            for (int i = 0; i < size; i++) {
                String actuel = rotation(stringN, size, i);
                // le set contient les candidats mais pas les doublons
                mySet.add(Integer.parseInt(actuel));
            }

            // on vÃ©rifie si les rotations trouvÃ©es sont bonnes ou pas.
            for (Integer candidat : mySet) {
                if (candidat > n && candidat <= B) {
                    // si la solution est bonne alors on incrÃ©mente.
                    resultat++;
                }
            }
        }
        this.setSolution(resultat);
    }

    private String rotation(String stringN, int size, int nbRotation) {
        String res = stringN;
        return res.substring(size - nbRotation, size) + res.substring(0, size - nbRotation);
    }

    @Override
    public Object getSolution() {
        return solution;
    }

    public void setSolution(int solution) {
        this.solution = solution;
    }

    public int getA() {
        return A;
    }

    public void setA(int a) {
        A = a;
    }

    public int getB() {
        return B;
    }

    public void setB(int b) {
        B = b;
    }

    public List<Integer> getSums() {
        return sums;
    }

    public void setSums(List<Integer> sums) {
        this.sums = sums;
    }

    private int B;

    private List<Integer> sums = new ArrayList<Integer>();

}