Clipped MagicSquare.cs

MagicSquare.cs

using System;

namespace ConsoleApp1
{
    class Program
    {
        //rows contains the row sums, cols contains the col sums
        static void sumsGeneration(int[,] m, int[] rows,int[] cols)
        {
            for(int i=0; i < rows.Length; i++)
            {
                for(int j=0; j < cols.Length; j++)
                {
                    rows[i] +=  m[i, j];
                    cols[j] +=  m[i, j];
                }
            }
        }//***
        static string print2d(int[,] matrix)
        {
            string s = "";
            for(int i=0; i< matrix.GetLength(0); i++)
            {
                for(int j=0; j < matrix.GetLength(1); j++)
                {
                    s += matrix[i, j].ToString().PadLeft(8);
                }
                s += "\n";
            }
            return s;
        }//***
        static string print1d(int[] vector)
        {
            string s = "";
            for (int i = 0; i < vector.Length; i++)
                s += vector[i] + " ";
            return s;
        }//***
        static bool allEqual(int[] t)//retruns true iff all elements of t are equal
        {
            int x = t[0];
            foreach(int a in t)
            {
                if (x != a) return false;
            }
            return true;
        }//***
        static int diag1(int[,] matrix)//computes main diag sum
        {
            int sum = 0;
            for(int i=0; i< matrix.GetLength(0); i++)
            {
                sum += matrix[i, i];
            }
            return sum;
        }//***
        static int diag2(int[,] matrix)//computes skew diag sum
        {
            int sum = 0;
            int L = matrix.GetLength(0);
            for (int i = 0; i < L; i++)
            {
                sum += matrix[i, L - 1 - i];
            }
            return sum;
        }//***
        static bool isMagicSquare(int[,] A)
        {
            int[] rows = new int[A.GetLength(0)];
            int[] cols = new int[A.GetLength(1)];
            sumsGeneration(A, rows, cols);
            if (allEqual(rows) == false