Re: Alpha base-26 to base-10...

Yet another take. Clear and elegant, but quite inefficient given large maximums.

{
  my $count;
  my %h = map {$_ => ++$count} 'a'..'zzz';
  sub alphabetic_to_base10 {
    return $h{ lc( $_[0] ) } or die;
  }
}
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Comment on Re: Alpha base-26 to base-10... Download Code

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Re^2: Alpha base-26 to base-10... by Aristotle (Chancellor) on Jul 02, 2003 at 07:51 UTC
That's simply a pre-memoized version of BrowserUk's approach. Makeshifts last the longest.	[reply]