שאלה 19

        static void Main(string[] args)
        {
            double[] a = new double[10];
            double[] b = new double[a.Length];
            int i, j, x, f;
            for (i = 0; i < a.Length; i++)
            {
                a[i] = double.Parse(Console.ReadLine());
            }
            for (j = 0; j < a.Length; j++)
            {
                if (j % 2 == 0)
                {
                    b[j] = Math.Pow(a[j], 2);
                }
                else
                {
                    b[j] = Math.Sqrt(a[j]);
                }
            }
            Console.WriteLine("");
            for (x = 0; x < a.Length; x++)
            {
                Console.Write(a[x] + " ");
            }
            Console.WriteLine("");
            for (f = 0; f < a.Length; f++)
            {
                Console.Write(b[f] + " ");
            }
        }