using System;

​

public class Program

{

    public static void Main()

    {

        Random rnd = new Random();

        int[, ] a = new int[5, 7];

        for (int i = 0; i < 5; i++)

        {

            for (int j = 0; j < 7; j++)

            {

                a[i, j] = rnd.Next(1, 10);

                Console.Write("{0}  ", a[i, j]);

            }

​

            Console.WriteLine("");

        }

​

        Console.WriteLine("--------------------------");

        Console.WriteLine("{0}  {1}", a.GetLength(0), a.GetLength(1));

        Console.WriteLine("--------------------------");

        ShitFunction(a);

    }

​

    static void ShitFunction(int[, ] arr)

    {

        for (int i = 0; i < arr.GetLength(0); i++)

        {

            for (int j = 0; j < arr.GetLength(1); j++)

            {

                if (CheckSum(arr, i, j))

                    Console.WriteLine("[{0}][{1}]:{2}", i, j, arr[i, j]);

            }

        }

    }

​

    static bool CheckSum(int[, ] arr, int m, int n)

    {

        int temp = 0;

        //check row

        for (int i = 0; i < arr.GetLength(1); i++)

        {

            temp += arr[m, i];

        }

​

        if (temp - arr[m, n] == arr[m, n])

            return true;

        temp = 0;

        //check col

        for (int j = 0; j < arr.GetLength(0); j++)

        {

            temp += arr[j, n];

        }

​

        if (temp - arr[m, n] == arr[m, n])

            return true;

        return false;

    }

}