class shape $\{$

public:

vixtual string getName$()$ const f

return "Shape",

$\}\}$: $//$ end class Shape

class Circle : public shape$\{$

public:

Circle$($ double rad $=0\mathrm{.}0$ I

radius $=$ rad;

$\}$

string getName $()$ const $($

return "Circle",

$\}$

private:

double radius; $//$ Circle's radius

$\}$;$//$ end class Circle

Class rectangle: public shape

$\{$ private:

Double lengt,width;

Public:

Rectangle$($double$1$ double w$)\{$lengthd $=1$;

Width$=$ w;$\}$

String getName$()$ const $\{$ return "recyangle";$\}$

$\}$; what si the uloupyt by the driver program?