jlz

class RatedPlayer : public TableTennisPlayer
{
private:
 unsigned int rating;
public:
 RatePlayer(unsigned int r= 0 ,const char *fn = "none",const char *ln ="none",bool ht=false);
 RatedPlayer(unsigned int r,const TableTennisPlayer & tp);          
 unsigned int Rating() { return rating;}
 void ResetRating(unsigned int r) { rating = r;}
};


关键点:
 RatedPlayer(unsigned int r,const TableTennisPlayer & tp);