#ifndef DATE1_H
#define DATE1_H
#include "date0.h"

class date1: public date0 {
	static const int pre[];
	int day;   //number of days before or after January 1, 0 A.D.
	void print(ostream& ost) const override;
public:
	date1(int initial_month, int initial_day, int initial_year)
        	: date0(initial_month, initial_day, initial_year),
		day(365 * initial_year + pre[initial_month] + initial_day - 1)
		{}

	date1& operator+=(int count) override {day += count; return *this;}
	date1& operator++() override {++day; return *this;}
};
#endif