zadacha 3

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

namespace ConsoleApp41
{
    class Program
    {
        static void Main(string[] args)
        {
            int[,] array = new int[7, 2];
            int i, j, br = 0, P = 0,s = 0,max = 0;
            for (i = 0; i < 7; i++)
                for (j = 0; j < 2; j++)
                    array[i, j] = int.Parse(Console.ReadLine());
            for (i = 0; i < 7; i++)
            {
                for (j = 0; j < 2; j++)
                    Console.Write(array[i, j] + " ");
                Console.WriteLine();
            }
            //A
            br = 0;
            for (i = 0; i < 7; i++)

                {

                if (array[i, 0] > 0 && array[i, 1] > 0)
                    br++;
                }
            Console.WriteLine("broqt na usporednicite  " + br);
            //C
            br = 0;
            for (i = 0; i < 7; i++)

                {

                    if (array[i, 0] > 0 && array[i, 1] > 0)
                        P = P + array[i, 0] + array[i, 1];
                }
            Console.WriteLine("p =   " + P);
            //B
            br = 0;
            for (i = 0; i < 7; i++)

                {
                if (array[i, 0] > 0 && array[i, 1] > 0)
                    Console.WriteLine(array[i, 0] * array[i, 1]);

                }
            Console.WriteLine();
            //d
            br = 0;
            for (i = 0; i < 7; i++)
            {
                if (array[i, 0] == array[i, 1] && array[i, 1] > 0) br++;
            }
            Console.WriteLine("vs kvadrati/rombove: " + br);
            //e
            br = 0;
            for (i = 0; i < 7; i++)
            {
                if (array[i, 0] > 0 && array[i, 1] > 0 && array[i, 0] != array[i, 1])
                    if (array[i, 0] * array[i, 1] > max)
                    {
                        max = array[i, 0] * array[i, 1];
                        br = i;
                    }
            }
            Console.WriteLine("nai golqmoto lice e " + max + " a = " + array[br, 0] + " b = " + array[br, 1]);
        }
    }
}
/*
0
0
-4
-1
1
1
10
5
11
11
3
2
1
4

 */