From: Jeremy McAnally <jeremymcanally@...>
Date: 2007-03-03T01:34:06+09:00
Subject: Re: Smallest FizzBuzz program

1.upto(100){|i|p"FizzBuzz#{i}"[i%3<1?0:i%5<1?4:8,i%15<1?8:4]}

Shaves off 3 bytes. :)

On 3/2/07, Brian Adkins <lojicdotcomNOSPAM@gmail.com> wrote:
> This is really bugging me. Someone posted a golf challenge to write a
> smallest FizzBuzz program here:
>
> http://golf.shinh.org/p.rb?FizzBuzz  (although the site was down when I
> checked it a few minutes ago)
>
> Basically, the challenge is to write the smallest Ruby program that will
> print the numbers from 1 to 100 except:
> * substitute Fizz for numbers that are multiples of 3
> * substitute Buzz for numbers that are multiples of 5
> * substitute FizzBuzz for numbers that are multiples of both 3 and 5
>
> Also see: http://weblog.raganwald.com/2007/01/dont-overthink-fizzbuzz.html
>
> The winning entry is at 56 bytes and I can't get below 65 bytes with the
> following:
>
> 1.upto(100){|i|puts"FizzBuzz#{i}"[i%3<1?0:i%5<1?4:8,i%15<1?8:4]}
>
> I think if the substring indices could be computed mathematically
> instead of logically, it might work, but it's possible an entirely new
> approach is necessary.
>
> It works correctly, so to see acceptable output, just run it.
>
> 1
> 2
> Fizz
> 4
> Buzz
> Fizz
> 7
> 8
> Fizz
> Buzz
> 11
> Fizz
> 13
> 14
> FizzBuzz
> ...
>
> Can any Ruby guru out there get it down to 56 bytes?
>
> Brian
>
>


-- 
http://www.jeremymcanally.com/

My free Ruby e-book:
http://www.humblelittlerubybook.com/book/

My blogs:
http://www.mrneighborly.com/
http://www.rubyinpractice.com/