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 qualification.C;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
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) {
		int totalCase = 0;
		int a = 0;
		int b = 0;
		FileInputStream is = null;
		try {
			is = new FileInputStream(args[0]);
			Scanner scan = new Scanner(is);
			totalCase = scan.nextInt();
			for (int i = 0; i < totalCase; i++) {
				a = scan.nextInt();
				b = scan.nextInt();
				solve(i, a, b);
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} finally {
			try {
				is.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	private static void solve(int caseNo, int a, int b) {
		Set<Integer> s = new HashSet<Integer>();
		for(int i = a; i <= b; i++) {
			String num = Integer.toString(i);	
			if (num.matches("^["+num.substring(0,1)+"]+$")) {
				//System.out.println(num);
				continue;
			}
			if (num.matches("^[1-9][0]+$")) {
				//System.out.println(num);
				continue;
			}
			s.add(i);
		}
		
		int answer = 0;
		for(int n = a; !s.isEmpty() && n <= b; n++) {
			if (!s.contains(n)) {
				continue;
			}
			String ns = Integer.toString(n, 10);
			int length = ns.length();
			Set<Integer> dup = new HashSet<Integer>();
			for (int j = 1; j < length; j++) {
				String ms = ns.substring(length-j) + ns.substring(0, length-j);
				//System.out.println(ns+":"+ms);
				int m = Integer.parseInt(ms);
				if (!s.contains(m)) {
					continue;
				}
				if (m < a || b < m || n >= m) {
					continue;
				}
				s.remove(m);
				if (!dup.contains(m)) {
					dup.add(m);
				}
				answer++;
			}
			int size = dup.size();
			if (size > 1) {
				answer = answer + size * (size - 1) / 2;
			}
			s.remove(n);
			
		}
		StringBuilder sb = new StringBuilder();
		sb.append("Case #");
		sb.append(caseNo+1);
		sb.append(": ");
		sb.append(answer);
		System.out.println(sb.toString());
		
	}
}
