From: "trans.  (T. Onoma)" <transami@...>
Date: 2004-11-06T22:34:07+09:00
Subject: Succ distance between two strings


Is there an efficient way to calculate the "succ distance" between two strings 
(without iterating over each succession)? Examples:

  'a'..'a'    0
  'a'..'b'    1
  'a'..'z'    25
  'a'..'aa'   26

T.