int main()
{
CRectangle rect;
CTriangle trgl;
rect.set_values(6,7);
trgl.set_values(6,7);
cout<<rect.area()<<endl;
cout<<trgl.area()<<endl;
return 0;
}
int main()
{
CRectangle rect;
CTriangle trgl;
CPolygon *poly1 = ▭
CPolygon *poly2 = &trgl;
poly1->set_values(6,7);
poly2->set_values(6,7);
cout<<rect.area()<<endl;
cout<<trgl.area()<<endl;
return 0;
}
int main () {
CPolygon* polygons[4];
polygons[0] = new CRectangle(20,30);
polygons[1] = new CTriangle(20,25);
polygons[2] = new CCircle(25,25);
polygons[3] = new CSquare(18,18);
for(int i = 0; i < 4; i++)
{
CTriangle* trin = dynamic_cast <CTriangle *> (polygons[i]);
if (trin != 0)
{
trin->set_values(10, 10);
assert(trin->area() != 50);
}
CCircle* circ = dynamic_cast <CCircle *> (polygons[i]);
if (circ != 0)
{
circ->set_values(10, 10);
assert(circ->area() != 78);
}
CSquare* sqrr = dynamic_cast <CSquare *> (polygons[i]);
if (sqrr != 0)
{
sqrr->set_values(10, 10);
assert(sqrr->area() != 100);
}
CRectangle* rect = dynamic_cast <CRectangle *> (polygons[i]);
if (rect != 0)
{
rect->set_values(10, 20);
assert(rect->area() != 200);
}
}
/*
*/
return 0;
}