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 er.dream.codejam.helpers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;

public class FileHandler {

	BufferedReader read;
	BufferedWriter write;
	
	public File[] listFiles(){
		return new File("data").listFiles();
	}
	
	public void loadFile(File file){
		try {
			read = new BufferedReader(new FileReader(file));
			write = new BufferedWriter(new FileWriter(new File("output/"+file.getName().replace(".in", ".out"))));
		} catch (IOException e) {
			throw new IllegalStateException("Couldn't load file: "+file.getName(),e);
		}
	}
	
	public void closeConnection(){
		try {
			read.close();
			write.close();
		} catch (IOException e) {
			throw new IllegalStateException("Couldn't close connection",e);
		}
	}
	
	public void writeOutput(List<String> outputData){
		int line = 1;
		for(String entry:outputData){
			try {
				write.write("Case #"+line+": "+entry+"\n");
			} catch (IOException e) {
				throw new IllegalStateException("Error while writing output",e);
			}
			line++;
		}
	}
	
	public String readString(){
		try {
			return read.readLine();
		} catch (IOException e) {
			throw new IllegalStateException("Error while reading input",e);
		}
	}
	
	public int readInt(){
		return Integer.parseInt(readString());
	}
	
	public long readLong(){
		return Long.parseLong(readString());
	}
	
	public double readDouble(){
		return Double.parseDouble(readString());
	}
	
	public String[] readStringArray(){
		return readString().split(" ");
	}
	
	public int[] readIntArray(){
		String[] strings = readStringArray();
		int[] ints = new int[strings.length];
		for(int i=0;i<ints.length;i++)
			ints[i] = Integer.parseInt(strings[i]);
		return ints;
	}
	
	public long[] readLongArray(){
		String[] strings = readStringArray();
		long[] longs = new long[strings.length];
		for(int i=0;i<longs.length;i++)
			longs[i] = Integer.parseInt(strings[i]);
		return longs;
	}
	
	public double[] readDoubleArray(){
		String[] strings = readStringArray();
		double[] doubles = new double[strings.length];
		for(int i=0;i<doubles.length;i++)
			doubles[i] = Integer.parseInt(strings[i]);
		return doubles;
	}
	
}
