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 com.vlad;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
    public static void main(String[] args) throws IOException {
        Scanner scanner = new Scanner(new File(args[0]));
        FileWriter writer = new FileWriter("c-out.txt");
        int T = scanner.nextInt();
        for(int i=0;i<T;i++) {
            int A = scanner.nextInt();
            int B = scanner.nextInt();
            if(i>0) writer.append("\n");
            int s1 = solve(A,B);
            //int s2 = solveAlt(A,B);
            //if(s1!=s2) System.out.println("$$$ - " + i);
            writer.append("Case #"+(i+1)+": " + s1);
        }
        writer.flush();
    }

    private static int solveAlt(int A, int B) {
        Set<String> used = new HashSet<String>();
        int res = 0;
        for(int i=A;i<B;i++) {
            int len = getLen(i);
            used.clear();
            String m = i+"";
            for(int j=1;j<len;j++) {
                String pp = m.substring(j) + m.substring(0,j);
                int p = Integer.parseInt(pp);
                // TODO <=B
                if(p>i && p<=B) {
                    if(used.contains(pp)) continue;
                    used.add(pp);
                    res++;
                }
            }
        }
        return res;
    }

    private static int solve(int A, int B) {
        Set<Integer> used = new HashSet<Integer>();
        int res = 0;
        for(int i=A;i<B;i++) {
            int len = getLen(i);
            used.clear();
            for(int j=1;j<len;j++) {
                int p = getShifted(i, j, len);
                if(p>i && p<=B) {
                    if(used.contains(p)) continue;
                    used.add(p);
                    res++;
                }
            }
        }
        return res;
    }

    private static int getShifted(int i, int j, int len) {
        int v = (int)Math.pow(10,j);
        int x = (int)Math.pow(10,len-j);
        return i/v + i%v*x;
    }

    private static int getLen(int i) {
        int len = 1;
        int val = 10;
        while (i>val-1) {
            len++;
            val*=10;
        }
        return len;
    }
}
