sol1.c File Reference

Problem 19 solution More...

#include <stdio.h>

Include dependency graph for sol1.c:

Functions
char	get_month_days (short month)
	Function to get the number of days in a month. More...
char	is_leap_year (short year)
	Check if input year is a leap year. More...
int	main (int argc, char **argv)
	Main function.

Detailed Description

Problem 19 solution

Author

Krishna Vedala

Function Documentation

get_month_days()

char get_month_days

(

short

month

)

Function to get the number of days in a month.

Parameters

month

month identified by an integer - 0 = Jan and 11 = December

Returns

number of days in given month

Note

For February, adjust for leap year outside the function.

{
    if (month == 1) /* February has 28 days. Adjust leap year in the loop */
        return 28;
    else if (month <= 6) /* odd months till July have 30 days - Jan = 0 (even)*/
    {
        if (month & 0x01)
            return 30;
        else
            return 31;
    }
 
    // else if (month >= 7) /* odd months after July have 31 days*/
 
    if (month & 0x01)
        return 31;
 
    return 30;
}

is_leap_year()

char is_leap_year

(

short

year

)

Check if input year is a leap year.

Parameters

year	year to check

Returns

1 if input year is a leap year

0 if input year is not a leap year

{
    if ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)))
        return 1;
 
    return 0;
}