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 );
    }
}

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;


public class JamInputReader {
	int		numItem;
	String	thisLine = null;
	BufferedReader	in;
	StringTokenizer	tokenizer;
	
	public JamInputReader(String fileName) {
		try {
			in = new BufferedReader(new FileReader(fileName));
/*			String text = in.readLine();
			numItem = Integer.parseInt(text);*/
			
			readNextLine();
			tokenizer = new StringTokenizer(thisLine, " ");
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} 
	}
	
	void readNextLine() {
		try {
			thisLine = in.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	int getNumItems() {
		numItem = Integer.parseInt(tokenizer.nextToken());
		return numItem;
	}
	
	String getNextItem() {
		if(false == tokenizer.hasMoreTokens()) {
			readNextLine();
			tokenizer = new StringTokenizer(thisLine, " ");
		}
		return tokenizer.nextToken();
	}

	String getNextLine() {
		readNextLine();
		return thisLine;
	}
	
	int getNextInt() {
		return Integer.parseInt(getNextItem());
	}
	
	long getNextLong() {
		return Long.parseLong(getNextItem());
	}
	
	byte[] getNextLineByte() {
		readNextLine();
		return thisLine.getBytes(); 
	}
}
