pex3_9.cpp

数据结构C++代码,经典代码,受益多多,希望大家多多支持

#include <iostream.h>
#include <stdlib.h>
#pragma hdrstop

#include "wex3_6.h"

// computes number of days from mm1/dd1 to mm2/dd2 in the year
// determined by the Calendar object c
int DayInterval(Calendar c, int mm1, int dd1, int mm2, int dd2)
{
	return c.NumDays(mm2,dd2) - c.NumDays(mm1,dd1);
}


void main(void)
{
	int currentyear, currentmonth, currentday, numberOfDays;
	char separator;
	
	cout << "Enter a current year: ";
	cin >> currentyear;
	
	Calendar cal(currentyear);
	
	cout << currentyear << (cal.Leapyear() ? " is " : " is not ")
		 << " a leap year" << endl;
		 
	// computer the number of days from Jan. 1 to Christmas in currentyear
	numberOfDays = cal.NumDays(12,25);
	cal.PrintDate(numberOfDays);
	
	cout << "What is the current date in the format mm/dd? ";
	cin >> currentmonth >> separator >> currentday; 
	// compute number of days from today to Christmas of currentyear
	cout << "There are " << DayInterval(cal,currentmonth,currentday,12,25)
		 << " days to Christmas." << endl;
	// compute number of days from 2/1 to 3/1 in currentyear
	cout << "There are " << DayInterval(cal,2,1,3,1)
		 << " days from Feb 1 to Mar 1. " << endl;
}

/*
<Run>

Enter a current year: 1995
1995 is not  a leap year
Date is 12/25
What is the current date in the format mm/dd? 5/19
There are 220 days to Christmas.
There are 28 days from Feb 1 to Mar 1.
*/