namespace ConsoleApp2
{
    class Program
    {

        static void Main(string[] args)
        {
            Bicycle[] bicycles = new Bicycle[3];
            Vehicle[] vehicles = (Vehicle)bicycles;
            vehicles[0] = new Car();
            bicycles[0].RiderMyBiceycle();
        }
    }

    internal class Car : Vehicle
    {
    }

    internal class Vehicle
    {
        public Vehicle()
        {
        }

        public static implicit operator Vehicle(Bicycle[] v)
        {
            throw new NotImplementedException();
        }

        public static implicit operator Vehicle[](Vehicle v)
        {
            throw new NotImplementedException();
        }
    }
    internal class Bicycle
    {
        internal void RiderMyBiceycle()
        {
            throw new NotImplementedException();
        }
    }
}