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nisevi/citrusbyte.rb

Last active January 2, 2017 16:32
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Write some code, that will flatten an array of arbitrarily nested arrays of integers into a flat array of integers. e.g. [[1,2,[3]],4] -> [1,2,3,4].
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citrusbyte.rb
# a = [[1,2,[3]],4]
# aux = []
def flatten(a, aux)
a.each do |n|
if n.instance_of?(Fixnum)
aux<<n
elsif n.instance_of?(Array)
flatten(n, aux)
end
end
aux
end
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