time24.h

飞机场模拟飞机场模拟飞机场模拟飞机场模拟

class time24
{
   public:
      time24(int h = 0, int m = 0);
      void readTime();
      void writeTime() const;
      friend int operator- (const time24& lhs, const time24& rhs);
	  int  get_minute();
   private:
      int hour, minute;	// data members
	  void normalizeTime();     
};