Revise paste Mozesz powiedziec rafala

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Algorithms06
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 5, k = 5;
            int[] sumA = new int[n];
            int[] sumB = new int[k];
            int[] sumC = new int[2];
            int[,] tab = new int[n, k];

Random rnd = new Random();
            for(int i=0; i<tab.GetLength(0); i++)
            {
                for(int j=0; j<tab.GetLength(1); j++)
                {
                    tab[i, j] = rnd.Next(2);
                    Console.Write("{0} ", tab[i, j]);
                }
                Console.WriteLine();
            }

for (int i = 0; i < tab.GetLength(0); i++)
            {
                for (int j = 0; j < tab.GetLength(1); j++)
                {
                    sumA[i] += tab[i, j];
                    sumB[j] += tab[i, j];
                    
                }
                if(n==k)
                {
                    sumC[0] += tab[i, i];
                    sumC[1] += tab[tab.GetLength(0) - (i + 1), i];
                }
                
            }

int max=0;
            string maxString="";
            for(int i=0; i<n; i++)
            {
                if (sumA[i] > max) 
                {
                    max = sumA[i];
                    maxString = "x" + (i+1);
                    if (sumB[i] > max)
                    {
                        max = sumB[i];
                        maxString = "y" + (i+1);
                    } 
                }
            }

if(n==k)
            {
                for (int i = 0; i < 2; i++)
                {
                    if (sumC[i] > max)
                    {
                        max = sumC[i];
                        maxString = "z" + (i + 1);
                    }
                }
            }
            
            Console.WriteLine($"Wynik: {maxString} = {max}");
            Console.ReadLine();
        }
    }
}