/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}

package codejam2012;

import java.io.File;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.concurrent.TimeUnit;

public class RecycledNumbers {

	private boolean[] data;
	private int min;
	private int max;
	private int digits;
	private int mask;

	public RecycledNumbers(int min, int max) {
		this.min = min;
		this.max = max;
		digits = (int) Math.ceil(Math.log10(max));
		mask = (int) Math.pow(10, digits);
		initData();
	}

	private void initData() {
		data = new boolean[max - min + 1];
	}

	public int eval() {
		int[] result = new int[digits];
		int total = 0;
		for (int number = min; number <= max; number++) {
			if (!isTested(number)) {
				int n = getRecycleNumbers(number, result);
				int real_n = setTested(result, n);
				if (real_n > 1) {
					total += real_n * (real_n - 1) / 2;
				}
			}
		}
		return total;
	}

	private int setTested(int[] result, int n) {
		int tested = 0;
		for (int i = 0; i < n; i++) {
			if (!data[result[i] - min]) {
				data[result[i] - min] = true;
				tested++;
			}
		}
		return tested;
	}

	private int getRecycleNumbers(int number, int[] result) {
		int count = 0;
		for (int i = 0; i < digits; i++) {
			if (number >= min && number <= max) {
				result[count++] = number;
			}
			int number10 = number * 10;
			number = (number10 % mask) + (number10 / mask);
		}
		return count;
	}

	private boolean isTested(int number) {
		return data[number - min];
	}

	public static void main(String[] args) throws Exception {
		PrintWriter output = new PrintWriter("output3.txt");
		Scanner scanner = new Scanner(new File("input3.txt"));
		try {
			int input_T = scanner.nextInt();
			for (int i = 0; i < input_T; i++) {
				int input_A = scanner.nextInt();
				int input_B = scanner.nextInt();
				RecycledNumbers testing = new RecycledNumbers(input_A, input_B);
				long start = System.nanoTime();
				int eval = testing.eval();
				output.printf("Case #%d: %d\n", i + 1, eval);
				System.out
						.printf("Case #%d: %d (%d)\n",
								i + 1,
								eval,
								TimeUnit.NANOSECONDS.toMillis(System.nanoTime()
										- start));
			}
		} finally {
			output.close();
			scanner.close();
		}
	}

}
