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 mgg.utils;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

/**
 * @author manolo
 * @date 13/04/12
 */
public class StringUtils {

	public static List<Integer> stringWithIntegersToList(String str, int numItems, String delim){

		ArrayList<Integer> list = new ArrayList<Integer>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		if (tokenizer.countTokens() != numItems){
			throw new RuntimeException("EXCEPTION: The string \"" + str 
					+ "\" has more tokens (" + tokenizer.countTokens()
					+ ") than you said (" + numItems + ")");
		}
		for	(int i = 0; i < numItems; i++) {
			list.add(Integer.parseInt(tokenizer.nextToken()));
		}

		return list;
	}
	
	public static List<Integer> stringWithIntegersToList(String str, String delim){

		ArrayList<Integer> list = new ArrayList<Integer>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		int numOfTokens = tokenizer.countTokens();
		for	(int i = 0; i < numOfTokens; i++) {
			list.add(Integer.parseInt(tokenizer.nextToken()));
		}

		return list;
	}

	public static List<String> stringWithStringsToList(String str, int numItems, String delim){

		ArrayList<String> list = new ArrayList<String>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		if (tokenizer.countTokens() != numItems){
			throw new RuntimeException("EXCEPTION: The string \"" + str 
					+ "\" has more tokens (" + tokenizer.countTokens()
					+ ") than you said (" + numItems + ")");
		}
		for	(int i = 0; i < numItems; i++) {
			list.add(tokenizer.nextToken());
		}

		return list;
	}
	
	public static List<String> stringWithStringsToList(String str, String delim){

		//System.out.println("String: " + str);
		
		ArrayList<String> list = new ArrayList<String>();
		StringTokenizer tokenizer = new StringTokenizer(str, delim);
		
		//System.out.println("tokenizer.countTokens() = " + tokenizer.countTokens());
		
		int numOfTokens = tokenizer.countTokens();
		for	(int i = 0; i < numOfTokens; i++) {
			list.add(tokenizer.nextToken());
		}

		return list;
	}

	public static List<Character> allCharactersToList(String str) {
		
		System.out.println("String: " + str);
		
		ArrayList<Character> list = new ArrayList<Character>();
		
		for	(int i = 0; i < str.length(); i++) {
			list.add(str.charAt(i));
		}

		System.out.println("List of characters: " + list);
		
		return list;
	}
}
