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dubistdu/split_and_add_both_sides

Created November 21, 2019 13:47
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split_and_add_both_sides
def split_and_add(arr, n)
n.times { arr.length.odd? ? arr.unshift(0) : arr
arr = arr.each_slice(arr.length/2).to_a.transpose.map { |x| x.sum }
}
arr
end
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