Re: LZ: Routine Help Again

Subject: Re: LZ: Routine Help Again
From: A.K.A. TheWiz <dankna@bergen.org>
Date: Fri, 4 Oct 1996 12:42:04 -0400 (EDT)
In-Reply-To: <32549DF0.2420@comso.com>

> Ok, I know I posted this before, but the answers I got weren't 
> specific enough for my purposes.
> 
> In my MineHunt program, I generate a random number between 0 and
> 139.  I need to be able to tell if any number ends in a 0 or
> a 9 (9, 20, 59, etc).  This routine needs to be such that if I do
> get one of these numbers then I can simply regenerate a new one.
> Speed is not a consideration, but size definatly is.


  Finding the last digit of a (decimal) number is called "taking the number 
mod 10".  The basic idea is to divide by 10 &amp; get the remainder.  If 
speed doesn't matter, do this:
  Divide by 10.
  Multiply the result by 10.
  Subtract from the original #.


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                     *           Daniel Knapp           *
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References:

LZ: Routine Help Again

From: Steve Peterson <stevep@comso.com>

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