As discussed here
http://stackoverflow.com/questions/3065154/undefined-reference-to-vtable https://stackoverflow.com/questions/3065154/undefined-reference-to-vtable
declare these functions pure virtual:
virtual void setupForNewRound(void) = 0;
virtual bool checkAnswer(unsigned short) = 0;
virtual bool reachedEnd(void) = 0;
As discussed here
http://stackoverflow.com/questions/3065154/undefined-reference-to-vtable
declare these functions pure virtual:
virtual void setupForNewRound(void) = 0;
virtual bool checkAnswer(unsigned short) = 0;
virtual bool reachedEnd(void) = 0;
As discussed here
https://stackoverflow.com/questions/3065154/undefined-reference-to-vtable
declare these functions pure virtual:
virtual void setupForNewRound(void) = 0;
virtual bool checkAnswer(unsigned short) = 0;
virtual bool reachedEnd(void) = 0;
As discussed here
http://stackoverflow.com/questions/3065154/undefined-reference-to-vtable
declare these functions pure virtual:
virtual void setupForNewRound(void) = 0;
virtual bool checkAnswer(unsigned short) = 0;
virtual bool reachedEnd(void) = 0;