static void Main()
{
Point p = new Point();
p.Display();
Console.WriteLine("p.Area для Point = " + p.Area);
p = new Circle(1, 2, 6);
p.Display();
Console.WriteLine("p.Area для Circle = " + p.Area);
p = new Square(3, 5, 8);
p.Display();
Console.WriteLine("p.Area для Square = " + p.Area);
Console.WriteLine();
Point[] array = FigArray();
int circleCount = array.Count(x => x is Circle);
int squareCount = array.Count(x => x is Square);
Console.WriteLine($"CIRCLES. Count: {circleCount}; " +
$"Average area: {array.Sum(x => x is Circle ? x.Area : 0) / circleCount:f3}; " +
$"Average perimeter: {array.Sum(x => x is Circle y ? y.Len : 0) / circleCount:f3}");
Console.WriteLine($"SQUARES. Count: {squareCount}; " +
$"Average area: {array.Sum(x => x is Square ? x.Area : 0) / squareCount:f3}; " +
$"Average perimeter: {array.Sum(x => x is Square y ? y.Len : 0) / squareCount:f3}");
Array.Sort(array, (x, y) => x.Area.CompareTo(y.Area));
Array.ForEach(array, x => x.Display());
}
static void Main(string[] args)
{
Point point = new Point();
point.Display();
Console.WriteLine($"point.Area для Point = {point.Area}");
point = new Circle(1, 2, 6);
point.Display();
Console.WriteLine($"point.Area для Circle = {point.Area}");
point = new Square(3, 5, 8);
point.Display();
Console.WriteLine($"point.Area для Square = {point.Area}");
Console.ReadLine();
}
static void Main()
{
Point p = new Point();
p.Display();
Console.WriteLine("p.Area для Point = " + p.Area);
p = new Circle(1, 2, 6);
p.Display();
Console.WriteLine("p.Area для Circle = " + p.Area);
p = new Square(3, 5, 8);
p.Display();
Console.WriteLine("p.Area для Square = " + p.Area);
Point[] points;
int numberOfCircles;
int numberOfSquares;
FigArray(out points, out numberOfCircles, out numberOfSquares);
double areaOfCircles = 0;
double perimeterOfCircles = 0;
double areaOfSquares = 0;
double perimeterOfSquares = 0;
double[] areas = new double[points.Length];
for (int i = 0; i < points.Length; i++)
{
areas[i] = points[i].Area;
if (i < numberOfCircles)
{
areaOfCircles += points[i].Area;
perimeterOfCircles += ((Circle)points[i]).Len;
}
else
{
areaOfSquares += points[i].Area;
perimeterOfSquares += ((Square)points[i]).Len;
}
}
Console.WriteLine($"Количество кругов = {numberOfCircles}, средняя их площадь = {(areaOfCircles / numberOfCircles):f3}, средний их периметр = {(perimeterOfCircles / numberOfCircles):f3}");
Console.WriteLine($"Количество кругов = {numberOfSquares}, средняя их площадь = {(areaOfSquares / numberOfSquares):f3}, средний их периметр = {(perimeterOfSquares / numberOfSquares):f3}");
Array.Sort(areas, points);
for (int i = 0; i < points.Length; i++)
{
points[i].Display();
}
}
static void Main(string[] args)
{
Point p = new Point();
p.Display();
Console.WriteLine("p.Area for Point = " + p.Area);
p = new Circle(1, 2, 6);
p.Display();
Console.WriteLine("p.Area for Circle = " + p.Area);
p = new Square(3, 5, 8);
p.Display();
Console.WriteLine("p.Area for Square = " + p.Area);
Point[] arr = FigArray();
int circle_cnt = 0, square_cnt = 0;
for (int i = 0; i < arr.Length; ++i)
{
if (arr[i] is Circle)
{
circle_cnt++;
}
else
{
square_cnt++;
}
}
Console.WriteLine("Circles: " + circle_cnt);
Console.WriteLine("Squares: " + square_cnt);
double area = 0, len = 0;
for (int i = 0; i < arr.Length; ++i)
{
area += p.Area;
len += p.Len;
}
area /= arr.Length;
len /= arr.Length;
Console.WriteLine("Area: " + area);
Console.WriteLine("Len: " + len);
Array.Sort(arr, (x, y) => x.Area.CompareTo(y.Area));
}
