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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

package codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.HashMap;

public class RecyledNumbers {

	public static void main(String[] args) {
		String filename = "C:\\Users\\maheswaran\\Desktop\\C-small-attempt0.in";
		String fileContents = readFile(filename);
		
		String[] lines = fileContents.split("\n");
		
		int noOfLines = Integer.parseInt(lines[0]);
		
		for(int i = 1; i <= noOfLines; i++)
		{
			int noOfRecyclables = 0;
			HashMap<String, String> recyclables = new HashMap<String, String>();
			
			String[] numbers = lines[i].split(" ",2);
			
			int start = Integer.parseInt(numbers[0]);
			int end = Integer.parseInt(numbers[1]);
			
			for( int j = start; j<=end; j++)
			{
				int digits = (start+"").length();
				
				for(int k = 1; k< digits;k++)
				{
					String numString = j+"";
					String shiftString = shift(numString,k);
					
					if(numString.equals(shiftString))
					{
						continue;
					}
					
					int shiftNum  = Integer.parseInt(shiftString); 
					if(shiftNum <= end && shiftNum>=start)
					{
						
						if(shiftNum > j)
						{
						
							recyclables.put(numString+","+shiftNum,"12");
							//noOfRecyclables++;
							continue;
						}
					}
					
					
				}
				
				
				
			}
			
			noOfRecyclables = recyclables.size();
			
			System.out.println("Case #"+i+": "+noOfRecyclables);
		}
		
	}
	
	private static String shift(String num, int numToShift)
	{
		String shiftedNum;
		int positionToSplit = num.length() - numToShift;
		shiftedNum = num.substring(positionToSplit) + num.substring(0,positionToSplit);
		
		return shiftedNum;		
	}

	private static String readFile(String filename)
	{
		StringBuffer file = new StringBuffer();
		try{
			  // Open the file that is the first 
			  // command line parameter
			  FileInputStream fstream = new FileInputStream(filename);
			  // Get the object of DataInputStream
			  DataInputStream in = new DataInputStream(fstream);
			  BufferedReader br = new BufferedReader(new InputStreamReader(in));
			  String strLine;
			  
			  //Read File Line By Line
			  while ((strLine = br.readLine()) != null)   {
			  // Print the content on the console
			 file.append(strLine).append("\n");
			  }
			  //Close the input stream
			  in.close();
			    }catch (Exception e){//Catch exception if any
			  System.err.println("Error: " + e.getMessage());
			  }
		return file.toString();
		
	}


}
