superpus potential example

bar.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tribune
{
    public abstract class Tribune
    {
        public abstract Ticket[] BuyTicket(int amtAdults, int amtChildren);
    }
    
    public class StandTribune : Tribune
    {
        public Ticket[] BuyTicket(int amtAdults, int amtChildren)
        {
            int amtTickets = amtAdults + amtChildren;
            if (SellPlace(amtTickets))
            {
                StandTicket[] res = new StandTicket[amtTickets];
                for (int i = 0; i < amtAdults; i++)
                {
                    res[i] = new StandTicket(Name, Price);
                }
                for (int i = amtAdults; i < amtTickets; i++)
                {
                    res[i] = new StandTicket(Name, Childprice);
                }
                AmtAdults += amtAdults;
                AmtChildren += amtChildren;
                return res;
            }
            else return null;
        }
    }

    public class SeatTribune : Tribune
    {
        public Ticket[] BuyTicket(int amtAdults, int amtChildren)
        {
            int amtTickets = amtAdults + amtChildren;
            int row;
            int seat;
            if (BuyPlace(amtTickets, out row, out seat))
            {
                SeatTicket[] res = new SeatTicket[amtTickets];
                for (int i = 0; i < amtAdults; i++)
                {
                    res[i] = new SeatTicket(Name, Price, row, seat + i);
                }
                for (int i = amtAdults; i < amtTickets; i++)
                {
                    res[i] = new SeatTicket(Name, Childprice, row, seat + i);
                }
                AmtAdults += amtAdults;
                AmtChildren += amtChildren;
                return res;
            }
            else return null;
        }

    }

}