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nbgoodall/missing_ints.rb

Created November 5, 2019 14:38
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missing_ints.rb
def missing_ints(arr)
(arr.min..arr.max).to_a - arr
end
missing_ints([1, 3, 3, 5, 6])
# => [2, 4]
missing_ints([1, 2, 3, 4, 4, 7, 7])
# => [5, 6]
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