// ****************************************************************
//
// Square.java
//
// Define a Square class with methods to create and read in
// info for a square matrix and to compute the sum of a row,
// a col, either diagonal, and whether it is magic.
//
// ****************************************************************
import java.util.StringTokenizer;
import java.io.*;
public class Square
{
    BufferedReader infile;
    int[][] square;

    //----------------------------------------------------------------------------
    //create new square as a two-dimensional array with size rows and size columns
    //----------------------------------------------------------------------------
    public Square(int size, BufferedReader fileReader )
    {
      square = new int[size][size];
      infile = fileReader;
    }


    //---------------------------------------------
    //return the sum of the values in the given row
    //---------------------------------------------
    public int sumRow(int row)
    {
      // place your code here
    }


    //------------------------------------------------
    //return the sum of the values in the given column
    //------------------------------------------------
    public int sumCol(int col)
    {
      // place your code here
    }

    //-------------------------------------------------
    //return the sum of the values in the main diagonal
    //-------------------------------------------------
    public int sumMainDiag()
    {
       // place your code here
    }

    //--------------------------------------------------------------
    //return the sum of the values in the other ("reverse") diagonal
    //--------------------------------------------------------------
    public int sumOtherDiag()
    {
       // place your code here
    }

    //------------------------------------------------------------------
    //return true if the square is magic (all rows, cols, and diags have
    //same sum), false otherwise
    //------------------------------------------------------------------
    public boolean magic()
    {
       // place your code here
    }

    //--------------------------------------------------
    //read info into the square from the standard input.
    //--------------------------------------------------
    public void readSquare() throws IOException
    {
       StringTokenizer tokenizer;
       String line;

       for (int row = 0; row < square.length; row++)
       {
         line = infile.readLine();
         tokenizer = new StringTokenizer(line);
         for (int col = 0; col < square.length; col ++)
            square[row][col] = Integer.parseInt(tokenizer.nextToken());
       }
    }

    //--------------------------------------------------
    //print the contents of the square, neatly formatted
    //--------------------------------------------------
    public void printSquare()
    {
      // place your code here
    }

}