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

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

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

package codejam;

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.io.PrintWriter;

public abstract class Task {
	
	private String inputFileName;
	private BufferedReader in;
	private PrintWriter out;

	public Task(String[] args) {
		inputFileName = args[0];
	}
	
	public void execute() throws IOException {
		File f = new File(inputFileName);   
        in = new BufferedReader(new FileReader(f));
        
		catchInputData();
		
		in.close();
		
		processInputData();
		
		f = new File(inputFileName.substring(0, inputFileName.length() - 2) + "out");
		f.createNewFile();
		out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
		
		generateOutputFile();
		
		out.flush();
		out.close();
	}

	protected abstract void generateOutputFile() throws IOException;

	protected abstract void processInputData();

	protected abstract void catchInputData() throws IOException;

	protected String readLine() throws IOException {
		return in.readLine();
	}

	protected void writeLine(String line) throws IOException {
		out.println(line);
	}

}
