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 );
    }
}

package gcj2012.qualification;

import java.io.File;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C_Recycled_Numbers {

    private static boolean SMALL = true;
    private static String PROBLEM = "C";

    public static void main(String[] args) {
        try {
            Scanner scan = new Scanner(new File(String.format("%s-%s.in", PROBLEM, (SMALL ? "small" : "large"))));
            PrintWriter pw = new PrintWriter(new File(String.format("%s-%s.out", PROBLEM, (SMALL ? "small" : "large"))));

            int NUM_CASES = scan.nextInt();
            scan.nextLine();
            System.out.println(String.format("%d test cases:", NUM_CASES));
            long start = System.currentTimeMillis(), t1, left;
            for (int CASE = 1; CASE <= NUM_CASES; ++CASE) {
                t1 = System.currentTimeMillis();
                System.out.print(String.format("%d.[%s] ", CASE, new SimpleDateFormat("HH:mm:ss.SSS").format(new Date(t1))));

                final int A = scan.nextInt(), B = scan.nextInt();
                int cnt = 0, pow1, pow2, l, m;
                final Set<String> pairs = new HashSet<String>();
                for (int n = A; n < B; ++n) {
                    l = String.valueOf(n).length();
                    pow1 = (int)Math.pow(10, l);
                    pow2 = 1;
                    pairs.clear();
                    for (int j = 1; j < l; ++j) {
                        pow1 /= 10;
                        pow2 *= 10;
                        m = ((n % pow1) * pow2 + n / pow1);
                        if (m <= B && m > n && pairs.add(n + " " + m)) {
                            cnt++;
                        }
                    }
                }

                String res = String.format("%d", cnt);
                pw.println(String.format("Case #%d: %s", CASE, res));
                left = (System.currentTimeMillis() - start) * (NUM_CASES - CASE) / CASE;
                System.out.println(String.format("%s (%dms, ~%dms left)", res, (System.currentTimeMillis() - t1), left));
            }
            pw.close();
            scan.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}
