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jahan-paisley/p1.rb

Last active September 21, 2015 20:39
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p1.rb
#! /usr/bin/ruby
def test(e,f)
(0..e.length-2).all?{|i| (e[i]-e[i+1]).abs==f[i]}
end
k= ARGV[0].to_i
a= (1..2*k-1).to_a
a.permutation(k).each do |e|
(a-e).permutation(k-1).each do |f|
puts e.to_s, f.to_s if test(e,f.to_a)
end
end
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