using System;

public class Program

{

    public static void Main()

    {

        double[] src = new[] { 1d, 1d, 2d };

        double[] dst = new[] { 0d, 0d, 0d };

        Buffer.BlockCopy(src, 0, dst, 0, 3);

        for (int i = 0; i < 3; i++)

        {

            Console.Write(src[i] + " ");

        }

        Console.WriteLine();

        for (int i = 0; i < 3; i++)

        {

            Console.Write(dst[i] + " ");

        }

        Console.WriteLine();

    }

}