Question
#include <iostream>
using namespace std;
class p
{
protected:
int width, height;
public:
void set_values (int a, int b)
{
width = a; height = b;
}
virtual int area (void) = 0;
};
class r: public p
{
public:
int area (void)
{
return (width * height);
}
};
class t: public p
{
public:
int area (void)
{
return (width * height / 2);
}
};
int main ()
{
r rect;
t trgl;
p * ppoly1 = ▭
p * ppoly2 = &trgl;
ppoly1->set_values (4, 5);
ppoly2->set_values (4, 5);
cout << ppoly1 -> area() ;
cout << ppoly2 -> area();
return 0;
}a.
1020
b.
20
c.
10
d.
2010
Posted under Object Oriented Programming Using C++
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