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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();

    }

}


package grn;

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

/**
 *
 * @author alexho
 */
public class GRN {
    
    private static int [] result;
    private static ArrayList<String> permutation = new ArrayList<String>();
    
    
    private void readInput (String infn) throws FileNotFoundException, IOException {
        String line = null;        
        int testCases = 0;
        BufferedReader bufRdr = null;      
        String delimiter = " ";
        File file = new File(infn);
        bufRdr = new BufferedReader(new FileReader(file));            

        testCases = Integer.valueOf(bufRdr.readLine());        
        GRN.result = new int [testCases];
        for (int i=0;i<GRN.result.length;i++) {
            GRN.result[i] = 0;
        }
        
        int index=0;
                
        while ( (line = bufRdr.readLine()) != null ) {
                        
            String [] temp;            
            temp = line.split(delimiter);
//            GRN.usedperm.clear();
            this.computeMax(temp, index);            
            index++;
//            for (int i=0;i<GRN.usedperm.size();i+=2) {
//                if (i != GRN.usedperm.size()-1)
//                    System.out.println(i/2+": "+GRN.usedperm.get(i)+","+GRN.usedperm.get(i+1));
//            }
//            System.out.println();

        }
        bufRdr.close();

        
    }
    
    private void computeMax(String [] temp, int ind) {
        
        int A,B,max=0;
        A = Integer.valueOf(temp[0]);
        B = Integer.valueOf(temp[1]);
        
        for (int n=A;n<=B;n++) {
            this.findM(n, B, ind);                             
        }
        
    }

    private void reorder(String s) {
        int len = s.length();
        String ns="";
        GRN.permutation.clear();
        for (int i=1;i<len;i++) {
            ns = s.substring(i).concat(s.substring(0, i));
            if (!ns.equals("") && !GRN.permutation.contains(ns)) {
                GRN.permutation.add(ns);
            }
        }
        
    }
    
    private void findM (int n, int B, int ind) {
        
        String alphabet = String.valueOf(n);       
        this.reorder(alphabet);     
        int m;
        
        for (int i=0;i<GRN.permutation.size();i++) {
            m = Integer.valueOf(GRN.permutation.get(i));
//            if (m <= B && m > n && !GRN.usedperm.contains(alphabet) && !GRN.usedperm.contains(GRN.permutation.get(i))) {
            if (m <= B && m > n ) {
//                GRN.usedperm.add(alphabet);
//                GRN.usedperm.add(GRN.permutation.get(i));
                GRN.result[ind]++;
            }
            
        }                
        
    }
    
    private void output (String outfn) throws IOException {
        PrintWriter out = new PrintWriter(new FileWriter(outfn));
        for (int i=0;i<GRN.result.length;i++) {
            out.println("Case #"+(i+1)+": "+GRN.result[i]);

        }
        out.close();        
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws FileNotFoundException, IOException {
        
        GRN grn = new GRN();
        String infn = args[0];
        String outfn = args[1];
        grn.readInput(infn);
//        String test = "13105";
        
//        grn.reorder(test);

        for (int i=0;i<GRN.result.length;i++) {
            System.out.println(GRN.result[i]);
        }
        
        grn.output(outfn);
                
    }
}
