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 codejam2012Qualification;

import java.io.*;
import java.util.*;

public class C {
	public static void main(String[] args) throws IOException {
		boolean large = false;
		large = true;
		String dir = "C://Users//Aayush//Desktop//";
		String InputFile = dir + (large ? "C-large.in" : "C-small-attempt0.in");
		String OutputFile = dir + (large ? "C-large.out" : "C-small.out");
		File file = new File(InputFile);
		Scanner st = new Scanner(file);
		FileWriter fw = new FileWriter(OutputFile);
		int T = st.nextInt();
		for(int cases = 1; cases <= T; cases++){
			int A = st.nextInt();
			int B = st.nextInt();
			int digits = 0;
			int A1 = A;
			while(A1 > 0){
				A1 /= 10;
				digits++;
			}
			//Efficient solution
			int count = 0;
			HashSet<Integer> h = new HashSet<Integer>();
			for(int n = A; n < B; n++){
				for(int i = 1; i < digits; i++){
					int d = (int) Math.pow(10, i);
					int d1 = (int) Math.pow(10, digits - i);
					int r = n % d;
					int m = d1 * r + n / d;
					if(m > n && m <= B){ 
						h.add(m);
					}
				}
				count+= h.size();
				h.clear();
			}
			System.out.print("Case #" + cases + ": " + count);
			fw.write("Case #" + cases + ": " + count);

			System.out.println();
			fw.write("\n");
		}
		fw.flush();
		fw.close();

	}
}
