static void Main(string[] args) { Console.WriteLine("Task 1"); var averageArea = 0.0; var trapeziumsBigArea = 0; var trapeziums = new List <IsoscelesTrapezoid>() { new IsoscelesTrapezoid( new int[2] { 3, 1 }, new int[2] { 5, 1 }, new int[2] { 8, 4 }, new int[2] { 0, 4 } ), new IsoscelesTrapezoid( new int[2] { 2, 1 }, new int[2] { 6, 1 }, new int[2] { 7, 4 }, new int[2] { 1, 4 } ), new IsoscelesTrapezoid( new int[2] { 2, 1 }, new int[2] { 6, 1 }, new int[2] { 7, 5 }, new int[2] { 1, 5 } ), new IsoscelesTrapezoid( new int[2] { 3, 1 }, new int[2] { 5, 1 }, new int[2] { 8, 5 }, new int[2] { 0, 5 } ), }; foreach (var trapezoid in trapeziums) { Console.WriteLine($"\nTrapezoid #{trapeziums.IndexOf(trapezoid) + 1}"); trapezoid.PrintInfo(); averageArea += trapezoid.GetArea(); } foreach (var trapezoid in trapeziums) { if (averageArea / trapeziums.Count < trapezoid.GetArea()) { trapeziumsBigArea++; } } Console.WriteLine($"\n{trapeziumsBigArea} trapeziums with an area larger than the average area."); Console.WriteLine(new String('-', 60)); Console.WriteLine("Task 2"); var box = new CirclesBox(); box.Circles.AddRange(new List <IFigureInfo>() { new Task2.Items.Circle("My Best Circle", 12, new int[] { 0, 0 }), new Task2.Items.Circle("Bigest Circle", 11, new int[] { 3, 5 }) }); box.CheckTwoCircles(box.Circles[0], box.Circles[1]); Console.WriteLine(new String('-', 60)); Console.WriteLine("Task 3"); var figures = new List <BaseFigure>() { new Square(10), new Circle(20), new Rectangle(5, 7) }; foreach (var figure in figures) { figure.PrintInfo(); } Console.WriteLine(new String('-', 60)); Console.WriteLine("Task 4"); var storage = new Storage(); storage.Products.AddRange(new List <IInfo>() { new Chair("Meblya"), new IronRaw(25), new WoodRaw(104, "Sosna"), new Chair("Roga i Kopyta") }); foreach (var product in storage.Products) { product.PrintInfo(); } Console.WriteLine(new String('-', 60)); Console.WriteLine("Task 5"); var bouquet = new Bouquet(); bouquet.Flowers.AddRange(new List <IFlowerInfo>() { new Rose("Red", 150), new Rose("White", 170), new Tulip("Green", 100), new Carnation("Blue", 70), new Tulip("Black", 90), }); foreach (var flower in bouquet.Flowers) { flower.PrintInfo(); } Console.Write("\n"); bouquet.PrintPrice(); }