/*
 * 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);
    }
}

import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Path;
import java.util.ArrayList;

public class ReadWriter
{
    public ArrayList<String> readFile(String path){
        File file = new File(path);
        ArrayList<String> strings = new ArrayList<String>();
        BufferedReader reader = null;
        try{
            reader = new BufferedReader(new FileReader(file));
            String text = null;
            while((text=reader.readLine())!=null){
                strings.add(text);
            }
            return strings;
        }
        catch(Exception e){
            e.printStackTrace();
        }
        finally{
            try{
                if(reader!=null){
                    reader.close();
                }
            }
            catch(Exception e){
                e.printStackTrace();
            }
        }
        return null;
    }
    public void writeFile(ArrayList<String> list, String path){
        BufferedWriter out=null;
        try{
            FileWriter fstream = new FileWriter(path);
            out = new BufferedWriter(fstream);
            for(String s : list){
                out.write(s);
                out.write("\r\n");
            }
        }
        catch(Exception e){
            e.printStackTrace();
        }
        finally{
            try{
                if(out!=null){
                    out.close();
                }
            }
            catch(Exception e){
                e.printStackTrace();
            }
        }
    }
}
