From: Rak Rok <rakrok@...>
Date: 2007-03-20T08:43:55+09:00
Subject: Re: Golfing the Farey Sequence

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A little shorter:

N=7
a={}
0.upto(N) { |i|
  1.upto(N) { |j|
    a[(i+0.0)/j] ||= "#{i}/#{j}"
}}
a.sort.each{|k,v|puts v if k<=1}

-rr-

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