// Area rectangulo
#include <iostream>
using namespace std;
typedef struct {
int x;
int y;
} Vector;
typedef struct {
Vector esquina1;
Vector esquina2;
int area;
} Rectangulo;
void mostrar_area(Rectangulo* ptr);
int main() {
Rectangulo rec = {0,0,2,3};
mostrar_area(&rec);
}
void mostrar_area(Rectangulo* ptr) {
float area = 0;
area = abs(ptr->esquina1.x - ptr->esquina2.x) * abs(ptr->esquina1.y - ptr->esquina2.y);
cout << "El area es de " << area << " unidades (cuadradas)." << endl;
}