Class DayTime

Lab_13/main1.cpp:6–53

using namespace std;

class DayTime
{
private:
	int hour, minute, second;

public:
	DayTime()
	{
		hour = 0;
		minute = 0;
		second = 0;
	}

	DayTime(int h, int m, int s)
	{
		hour = h;
		minute = m;
		second = s;
	}
	int getHour() const
	{
		return hour;
	}
	int getMinute() const
	{
		return minute;
	}
	int getSecond() const
	{
		return second;
	}

	void DisplayTime()
	{
		cout << "HH: " << hour << endl
			 << "MM: " << minute << endl
			 << "SS: " << second << endl;
	}
	int asSeconds() const
	{
		return (3600 * hour + 60 * minute + second);
	}

	friend void operator<<(ostream &out, DayTime &h);
	friend void operator>>(istream &in, DayTime &h);
	friend void operator++(DayTime &MainDayTime);
	friend void operator--(DayTime &MainDayTime2);
};

void operator>>(istream &in, DayTime &h)
{