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From: pfalstad@phoenix.Princeton.EDU (Paul John Falstad)
Newsgroups: comp.lang.c
Subject: Re: Leap Year Checker.
Message-ID: <2743@idunno.Princeton.EDU>
Date: 23 Sep 90 01:13:29 GMT
References: <9464@uhccux.uhcc.Hawaii.Edu> <24700010@sunc1>
Sender: news@idunno.Princeton.EDU
Organization: Princeton University, Princeton, New Jersey
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In article <24700010@sunc1> mccaugh@sunc1.cs.uiuc.edu writes:
> Ordinarily, a leap-year is a multiple of four, so thst -- given leap-year y --
> (y%4 == 0) ought to indicate if y designates a leap-year.

Except for century years.  Only century years divisible by 400 are
leap years.  The correct formula is:

(!(y % 4) && (y % 100 || !(y % 400)))

Sorry to split hairs, but this IS usenet, after all.

                This is the silliest sketch I've ever been in!