Continue the Shape problem. Complete the following main function. #include "Shape.h" #include "Circle.h" #include "Square.h" #include using namespace std; int main() {  // define an array with 2 elements  // decide the type of the elements to achieve polymorphism  // create a circle object with radius = 5 and add to the array   // create a square object with side = 10 and add to the array  // using the elements in the array to call getArea() function to calculate and display areas of the circle and square object    return 0; } Continue the Shape problem. Complete the following main function.