using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

namespace Plugin

{

    // Modify the code to allow a single collection containing both circles & squares.

    // There must be only one loop to generate the output from the Draw method.

    public class Program

    {

        public static void Main(string[] args)

        {

            List<Figure> lista = new List<Figure>();

            Figure item;

            List<Circle> circles = new List<Circle>();

            circles.Add(new Circle { X = 1, Y = 2, Radius = 3 });

            circles.Add(new Circle { X = 2, Y = 15, Radius = 1 });

​

            List<Square> squares = new List<Square>();

            squares.Add(new Square { X = 3, Y = 7, Length = 15 });

            squares.Add(new Square { X = 3, Y = 10, Length = 23 });

            squares.Add(new Square { X = 7, Y = 0, Length = 2 });

​

            foreach(Circle circle in circles) {

                item = new Figure();

                item.X = circle.X;

                item.Y = circle.Y;

                item.Radius = circle.Radius;

                item.TypeFigure = "Circle";

                lista.Add(item);

            }

​

            foreach(Square square in squares) {

                item = new Figure();

                item.X = square.X;

                item.Y = square.Y;

                item.Length = square.Length;

                item.TypeFigure = "Square";

                lista.Add(item);

            }

            foreach(Figure figure in lista) {

                figure.Draw();

            }

            Console.ReadLine();

        }

    }

​

    public class Circle

    {

        public int X { get; set; }

        public int Y { get; set; }

        public int Radius { get; set; }

​

        public void Draw()

        {

            Console.WriteLine(String.Format("Circle: {0} {1} {2}", X, Y, Radius));

        }

    }

​

    public class Square

    {

        public int X { get; set; }

        public int Y { get; set; }

        public int Length { get; set; }

​

        public void Draw()

        {

            Console.WriteLine(String.Format("Square: {0} {1} {2}", X, Y, Length));

        }

    }

    public class Figure

    {

        public int X { get; set; }

        public int Y { get; set; }

        public int Length { get; set; }

        public int Radius { get; set; }

        public string TypeFigure { get; set; }

​

        public void Draw()

        {

            Console.WriteLine(String.Format("{0} : {1} {2} {3}", TypeFigure, X, Y, (TypeFigure == "Circle" ? Radius :Length)));

        }

    }

}