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 * and open the template in the editor.
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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();

    }

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;

public class RecycledNumbers {
	
	public static void main(String [] args){
		String fileIn = "C:\\CodeJam\\C-small-attempt0.in";
		ArrayList<String> lines = getLines(fileIn);
		StringBuffer result = new StringBuffer();
		if(lines!=null){			
			String firstLine[] = lines.get(0).split(" ");
			int caseTotal = Integer.parseInt(firstLine[0]);
			for(int i = 0; i<caseTotal; i++){
				String[] line = lines.get(i+1).split(" ");
				result.append("Case #"+(i+1)+": "+ getResult(line)+"\n");
			}
		}
			
		String fileOut = "C:\\CodeJam\\C-small-attempt0.out";
		writeFile(fileOut, result.toString());	
	}
	
	public static int getResult(String[] line){
		String str = line[0];
		int line0 = Integer.parseInt(line[0]);
		int line1 = Integer.parseInt(line[1]);
		int tot = 0;
		HashMap<Object, Object> map = new HashMap<Object, Object>();
		for(int i=line0;i<=line1;i++){
			for(int j=1; j<str.length();j++){
				String strAll = i+"";
				String str1 = strAll.substring(j);
				String str2 = strAll.substring(0,j);
				int strResult = Integer.parseInt(str1+str2);
				if(line0<=strResult && strResult<=line1){
					if(map.get(strAll+","+strResult)==null && !strAll.equalsIgnoreCase(strResult+"")){
						map.put(strAll+","+strResult,"Exist");
						map.put(strResult+","+strAll,"Exist");
						tot++;
					}
				}
			}  
		}
		return tot;
	}
	
	public static void writeFile(String filePath, String content){
		try{
			PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(filePath)));
			out.write(content);
			out.close();
		}
		catch(IOException e){
			e.printStackTrace();
		}
	}
	
	public static ArrayList<String> getLines(String filePath){
		ArrayList<String> lines = null;	
		try{
			lines = new ArrayList<String>();
			String str;	    	   
		    BufferedReader in = new BufferedReader( new FileReader(filePath));
		    while ((str = in.readLine()) != null) {
		    	lines.add(str);	      
		    }	    
		    in.close();
		}catch(IOException e){
			e.printStackTrace();
		}
		return lines;
	}
}