Untitled

using System;
using System.Collections.Generic;
using System.Reflection.Metadata.Ecma335;

public interface IShape
{
    double Area()
    {
        return 0;
    }

}
public class Rectangle : IShape
{
    public double Length { get; set; }
    public double Width { get; set; }

    public double Area()
    {
        return Length * Width;
    }


}
public class Trapezoid : IShape
{
    public double Length1 { get; set; }
    public double Length2 { get; set; }
    public double Width { get; set; }

    public double Area()
    {
        return (Length1 + Length2) * Width / 2;
    }


}
public class Room<T> : ICloneable, IComparable<Room<T>> where T : IShape, ICloneable
{
    public double Height { get; set; }
    public T Floor { get; set; }

    public double Volume()
    {
        return Floor.Area() * Height;
    }
    // ICloneable
    public object Clone()
    {
        Room<T> clone = new Room<T>();
        clone.Height = Height;
        clone.Floor = Floor;
        return clone;
    }

    //I
    public int CompareTo(Room<T> other)
    {
        double thisFloorArea = Floor.Area();
        double otherFloorArea = other.Floor.Area();


        if (thisFloorArea < otherFloorArea)
            return -1;
        else if (thisFloorArea > otherFloorArea)
            return 1;
        else
            return 0;
    }
}
public class RoomComparerByVolume<T> : IComparer<Room<T>> where T : IShape, ICloneable
{
    public int Compare(Room<T>room1, Room<T> room2)
    {
        double volume1 = room1.Volume();
        double volume2 = room2.Volume();

        if (volume1 < volume2)
            return -1;
        else if (volume1 > volume2)
            return 1;
        else
            return 0;
    }
}