تمرین طول سیم

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۲ ۲ 
۴ ۶ 
۳ ۸ 
۹ ۲ 
۵ ۵

۱۲

import java.io.*;

public class File
{
    private String input_path;
    private String output_path;

    public File()
    {
        this.input_path = "d://input.txt";
        this.output_path = "d://output.txt";
    }
    public String[] read() throws IOException
    {
        FileInputStream input = null;
        String[] data=null;
        int i=0;
        int array_bound=100000;
        try{
            input = new FileInputStream(input_path);
            DataInputStream dataInputStream = new DataInputStream(input);
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(dataInputStream));
            String strLine;
            while ((strLine=bufferedReader.readLine()) != null)
            {
                if(data==null)
                {
                    if(Integer.parseInt(strLine)<=100000)
                        array_bound = Integer.parseInt(strLine);
                    data = new String[array_bound];
                    continue;
                }
                else if(i==array_bound)
                {
                    break;
                }
                data[i] = strLine + (char) 13 + (char) 10;
                i += 1;
            }
        }
        finally
        {
            if(input == null)
            {
                input.close();
            }
        }
        return data;
    }
    public void write(String data, boolean append) throws IOException
    {
        BufferedWriter output = null;
        try
        {
            output = new BufferedWriter(new FileWriter(output_path, append));
            if(data==null)
                output.write("");
            else
                output.write(data + (char) 13 + (char) 10);
            output.close();
        }
        finally
        {
            if(output == null)
            {
                output.close();
            }
        }
    }
}

import com.sun.org.apache.xalan.internal.xsltc.dom.AbsoluteIterator;

public class LengthWire
{
    private int home_bound;
    private int counter;
    private int[][] home;
    private int abs(int number)
    {
        return Math.abs(number);
    }

    LengthWire()
    {
        counter = 0;
        home_bound=100000;
        home = new int[home_bound][2];
    }
    public void setHome(int x, int y)
    {
        if(x>1000000 || x<-1000000)
            return;
        else if(y>1000000 || y<-1000000)
            return;
        home[counter][0] = x;
        home[counter][1] = y;
        counter+=1;
    }
    public int calculate()
    {
        int result=0;
        int max=0;
        for (int i=0; i<=counter; i++)
        {
            for(int j=i; j<=counter; j++)
            {
                result = abs(home[i][0] - home[j][0]) + abs(home[i][1] - home[j][1]);
                if(result>=max)
                {
                    max = result;
                }
            }
        }
        return max;
    }
}

import java.io.*;

public class Main
{
    public static void main(String[] args)  throws IOException
    {
        File file = new File();
        file.write(null , false);
        LengthWire lengthwire = new LengthWire();
        String[] construction = file.read();
        String[] job = new String[2];
        int j;
        String result;

        for (String my_construction:construction)
        {
            j=0;
            job[0]="";
            job[1]="";
            for (int i = 0; i < my_construction.length(); i++)
            {
                if (!Character.isWhitespace(my_construction.charAt(i)))
                {
                    job[j] += String.valueOf(my_construction.charAt(i));
                }
                else
                {
                    j+=1;
                    if(j>1)
                        break;
                }
            }
            lengthwire.setHome(Integer.parseInt(job[0]), Integer.parseInt(job[1]));
        }
        result = String.valueOf(lengthwire.calculate());
        System.out.println(result);
        file.write(result, false);
    }
}