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dbushong/hundredsgolf.rb

Forked from TheSkyIsBlottedOut/hundredsgolf.rb
Last active August 29, 2015 14:27
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hundredsgolf.rb
#f '123456789',100
def f(d,t)(0...3**(d.size-1)).map{|c|d.chars.reduce{|s,g|o='+-'[c%3]||'';c=(c/3).floor;s+o+g}}.select{|e|e.scan(/\D?\d+/).map(&:to_i).reduce(:+)==t}end
if __FILE__ == $0
p f('123456789', 100)
end
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