package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

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

import java.io.*;

/**
 *
 * @author Peter
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
   
    public static void main(String[] args) {
        String inputFile, outputFile;
        inputFile = "C-small-attempt4.in"; //"C-small-attempt1.in";// "input.txt";
        outputFile = "output.txt";
        File file = new File(inputFile);
        FileInputStream fis = null;
        BufferedInputStream bis = null;
        DataInputStream dis = null;

        try {
            fis = new FileInputStream(file);
            // Here BufferedInputStream is added for fast reading.
            bis = new BufferedInputStream(fis);
            dis = new DataInputStream(bis);

            FileWriter fstream = new FileWriter(outputFile);
            BufferedWriter out = new BufferedWriter(fstream);

            String line, output;
            line = dis.readLine();
            int testCases = Integer.parseInt(line);
            int A, B, m, n, caseNo = 1, count = 0;
            String[] param;
            // dis.available() returns 0 if the file does not have more lines.
            while (dis.available() != 0) {
                output = "Case #" + caseNo + ": ";
                line = dis.readLine();
                param = line.split(" ");
                A = Integer.parseInt(param[0]);
                B = Integer.parseInt(param[1]);
                for(m = B; m > A; m--){
                    for(n = m - 1; n >= A; n--){
                        if(isRecycled(n + "", m + "")){
                            count++;
                           //System.out.println("n =" + n + " m =" + m + " count =" + count);
                        }
                    }
                }
                output += count;
                count = 0;
                out.append(output + "\n");
                caseNo++;
            }

            // dispose all the resources after using them.
            fis.close();
            bis.close();
            dis.close();
            out.close();

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    public static boolean isRecycled(String n, String m){
        boolean recycled = false;
        
        if(n.length() != m.length()){
            return recycled;
        }
        
        for(int i = 0;i< n.length() ; i++){
            if(n.equals(m)){
                recycled = true;
                break;
            }else{
                n = n.charAt(n.length() - 1) + n.substring(0, n.length() - 1);
                if(n.equals(m)){
                recycled = true;
                break;
                }
            }
        }
        return recycled;
    }
}
