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 round0;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;


public class Dance {
	BufferedReader _in;
	PrintWriter _out;
	
	int _numTestCases;
	Input[] _inputs;
	
	public Dance(BufferedReader in) throws Exception {
		this._in = in;
		this._out = new PrintWriter("answers.out");
	}

	public void calculate() throws Exception {
		this._inputs = readInputs();
		
		for(int i=0; i < _inputs.length; i++) {
			processInput(_inputs[i], i+1);
		}
		_out.flush();
		_out.close();
	}
	
	
	private void processInput(Input input, int caseIndex) {
		int numPairs = 0;
		int A = input.A;
		int B = input.B;
		
		//worry about duplicates
		HashSet<Tuple> combinations = new HashSet<Tuple>(1000000);

		for(int n=A; n<=B; n++) {
			int numDigits = 1;
			int div = 10;
			while(n/div != 0) {
				numDigits++;
				div *= 10;
			}
			int div2 = 10;
			for(int digitsToMove = 1; digitsToMove < numDigits; digitsToMove++){
				div /= 10;
				int m = n/div2 + n%div2 * div;
				if(m >= A && n >=A && m <=B && n <=B && n < m) {
					Tuple t = new Tuple(n,m);
					if(!combinations.contains(t)) {
						numPairs++;
						combinations.add(t);
					}
				}
				div2 *=10;				
			}
		}
		
		_out.println("Case #" + caseIndex +": " + numPairs);
	}
	
	private class Tuple {
		int n;
		int m;
		public Tuple (int n, int m) {
			this.n = n;
			this.m = m;
		}
		@Override
		public int hashCode() {
			return m + n;
		}
		@Override
		public boolean equals(Object obj) {
			Tuple other = (Tuple)obj;
			if (m != other.m)
				return false;
			if (n != other.n)
				return false;
			return true;
		}
	}
	
	private Input[] readInputs() throws Exception {
		
		Scanner scanner = new Scanner(_in);
		_numTestCases = scanner.nextInt();
		Input[] inputs = new Input[_numTestCases];
		for(int i=0; i < _numTestCases; i++) {
			int A = scanner.nextInt();
			int B = scanner.nextInt();
			inputs[i] = new Input(A,B);
		}
		return inputs;
	}
	
	
	public static void main(String[] args) throws Exception {
		BufferedReader in = new BufferedReader(new FileReader(args[0]));
		new Dance(in).calculate();
	}
	
	
	private class Input {
		int A;
		int B;
		
		public Input(int A, int B) {
			this.A = A;
			this.B = B;
		}
	}
}
