zadacha 1 26.02.2020

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

namespace ConsoleApp38
{
    class Program
    {
        static void Main(string[] args)
        {
            double av = 0;
            int i, j, sumD, sumDr, max1;
            int[,] array = new int[4, 4];
            for (i = 0; i < 4; i++)
                for (j = 0; j < 4; j++)
                    array[i, j] = int.Parse(Console.ReadLine());
            //a
            for (i = 0; i < 4; i++)
            {
                for (j = 0; j < 4; j++)

                    Console.Write(array[i, j] + " ");
                Console.WriteLine();
            }
            //glaven diagonal
            Console.WriteLine("glaven diagonal");
            for (i = 0; i < 4; i++)
            {
                Console.Write(array[i, i] + " ");
            }
            //b
            //sumata na glaven diagonal
            sumD = 0;
            Console.WriteLine();
            for (i = 0; i < 4; i++)

            {
                sumD = sumD + array[i, i];
            }
            Console.WriteLine();
            //sum na celiq masiv
            sumDr = 0;
            for (i = 0; i < 4; i++)
            {
                for (j = 0; j < 4; j++)
                    sumDr = sumDr + array[i, j];
            }
            av = (sumDr - sumD) * 1.0 / 12;
            Console.WriteLine("av e " + Math.Round(av, 2));
            //3
            Console.WriteLine();
            double av1 = 0;
            for (i = 0; i < 4; i++)
            {
                av1 = 0;
                for (j = 0; j < 4; j++)
                    av1 = av1 + array[i, j];
                    Console.WriteLine("av na vsichko: " + Math.Round(av1/4, 2));
            }
                Console.WriteLine();
            //4
                        for (i = 0; i < 4; i++)
            {
                max1 = array[0,i];
                for (j = 1; j < 4; j++)
                {
                    if (max1 < array[j, i]) max1 = array[j, i];
                }
                Console.WriteLine("max element na kolonata e : " + max1);
            }
        }
    }
}
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