практикум6_VI_11

 static int[,] Create(int n)
        {
            Console.WriteLine("Enter the array: ");
            int[,] mas = new int[n, n];
            String enterString;
            String[] massiveString;
            for (int i = 0; i < n; i++)
            {
                enterString = Console.ReadLine();
                massiveString = enterString.Split(new Char[] { ' ' });
                for (int j = 0; j < n; j++)
                {
                    mas[i, j] = int.Parse(massiveString[j]);
                }
            }
            return mas;
        }

        static void Print(int n, int m, int[,] mas)
        {
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    Console.Write("{0} ", mas[i, j]);
                }
                Console.WriteLine();
            }
        }

        static void Delete(ref int n, ref int m, int[,] mas)
        {
            bool flag;
            for (int j = 0; j < m; j++)
            {
                flag = true;
                for (int i = 0; i < n && flag; i++)
                {
                    if (mas[i, j] < 0)
                    {
                        flag = false;
                    }
                }
                if (flag)
                {
                    for (int l = j; l < m - 1; l++)
                        for (int k = 0; k < n; k++)
                        {
                            mas[k, l] = mas[k, l + 1];
                        }
                    m--;
                    j--;
                }
            }
        }

        static void Main(string[] args)
        {
            Console.Write("Enter n: ");
            int n = int.Parse(Console.ReadLine());
            int m = n;
            int[,] mas = new int[n, n];
            mas = Create(n);
            Delete(ref n, ref m, mas);
            Console.WriteLine("The output of the array:");
            Print(n, m, mas);
        }