sem 12

1 files changed, 41 insertions, 0 deletions

diff --git a/Sem. 12/Example_polymorphism/main.cpp b/Sem. 12/Example_polymorphism/main.cpp
new file mode 100644
index 0000000..89a5082
--- /dev/null
+++ b/Sem. 12/Example_polymorphism/main.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+using namespace std;
+
+#include "Rectangle.h"
+#include "Circle.h"
+#include "Triangle.h"
+
+
+void printAreas(const Shape* const * shapes, size_t shapesCount)
+{
+	for (int i = 0; i < shapesCount; i++)
+		cout << shapes[i]->getArea() <<endl;
+}
+void printPers(const Shape* const * shapes, size_t shapesCount)
+{
+	for (int i = 0; i < shapesCount; i++)
+		cout << shapes[i]->getPer() << endl;
+}
+
+void freeCollection(Shape** shapes, size_t shapesCount)
+{
+	for (int i = 0; i < shapesCount; i++)
+			delete shapes[i];
+		delete[] shapes;
+}
+int main()
+{
+		Shape** arr = new Shape*[4];
+
+		arr[0] = new Rectangle(3, 4, 6, 8);
+		arr[1] = new Circle(3, 3, 4);
+		arr[2] = new Circle(1, 4, 5);
+		arr[3] = new Triangle(1, 1, 2, 2, 3, 3);
+
+		printAreas(arr, 4);
+		printPers(arr, 4);
+
+		freeCollection(arr, 4);
+	
+
+}
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