{public:
Time(int h,int m,int s) {hour=h,minute=m,sec=s;} void show(Date & d); private:
int hour,minute,sec; }; class Date {public:
Date(int m,int d,int y) {month=m,day=d,year=y;} void Time::show(Date &); private:
int month,day,year; };
void Time::show(Date & d)
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