From: Holger Mack <hmack.gm@...>
Date: 2008-09-20T19:30:28+09:00
Subject: Re: [QUIZ] One-Liners Mashup (#177 again)

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2008/9/20 Sebastian Hungerecker <sepp2k@googlemail.com>

> Next question:
> Sort an array of words by the words' values where a word's value is the
> sum of the values of its letters and a letter's value is its position in
> the alphabet. So the value of "Hello" is 8+5+12+12+15.
>


class Array; def sortval() sort {|x,y| x.upcase.sum-x.length*64 <=>
y.upcase.sum-y.length*64};end;end

Solution works fine, if array countains only words of only letters. Now I
know, what sum() is for ;-)

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NEXT QUIZ

Write a function per(n) which returns the periodicity of 1/n, i.e.
  per(3) => 1
  per(4) => 0
  per(7) => 6
  per(11) => 2


Holger

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