Thread: Any Ideas?

can anyone see wot ive done wrong in this piece of code? it doesnt recognise leap years accurately.

code:
struct dat{

int day;
int month;
int year;
};

main()
{
// char looping ='y';
// while (looping == 'y'||looping == 'Y')

printf("***************************\n");
printf("*A DATE CALCULATOR PROGRAM*\n");
printf("***************************\n\n");

int days, leap;
struct dat t;

printf("Please enter a date from which you wish calculate\n");
printf("how many days to the 25/12/2002\n");


scanf("%d/%d/%d", &t.day,&t.month,&t.year);
leap = ( t.year % 4 == 0 && t.year % 100 != 0 || t.year % 400 == 0 );
if (t.day > 31 ||
t.day <= 0)

printf("ERROR, there are no months with that many days\n");

else if (t.month > 12 ||
t.month <= 0)

printf("ERROR, there are no years with that many months\n");

else if (t.month == 1||
t.month == 3||
t.month == 5||
t.month == 7||
t.month == 8||
t.month == 10||
t.month == 12 &&t.day>31)

printf("ERROR, the month you have entered doesnt have that many daysin it.\n");

else if (t.month == 4||
t.month == 6||
t.month == 9||
t.month == 11 && t.day > 30)

printf("ERROR, the month you have entered doesnt have that many days in it.\n");

else if (t.month == 2 && t.day == 29&& leap != 0)

printf("ERROR, the year you entered isnt a leapyear.\n");

else if (t.month == 2 && t.day > 29 && leap == 0)

printf("ERROR, although this is a leap year, there arnt that many days in February\n");

//else
//{
//int y,m,d,l = 0;
//if (t.year>=2002
}

cheers, but it compiles and builds this program on my compiler, its just that it doesnt recognise the correct leap years, ie it thinks 2001 was one and 2000 wasnt.?
Brad.

thanks prelude, ive solved it now , it was a mix up of terms...

code:
else if (t.month == 2 && t.day == 29&& leap != 0)

printf("ERROR, the year you entered isnt a leapyear.\n");

else if (t.month == 2 && t.day > 29 && leap == 0)

printf("ERROR, although this is a leap year, there arnt that many days in February\n");

should have been:
else if (t.month == 2 && t.day == 29&& leap == 0)

printf("ERROR, the year you entered isnt a leapyear.\n");

else if (t.month == 2 && t.day > 29 && leap != 0)

printf("ERROR, although this is a leap year, there arnt that many days in February\n");

Brad.

> cheers, but it compiles and builds this program on my compiler
Then fix it so that it compiles your code as 'C' and not as C++

You're writing C++ code and you don't know it

Or your posts are on the wrong board