nbgoodall

Keybase proof

I hereby claim:

• I am nbgoodall on github.
• I am nbgoodall (https://keybase.io/nbgoodall) on keybase.
• I have a public key ASDPpW2vo6a0QBY8H-vLFOBdtWNXIVWKV_5sHbs36Iarkwo

To claim this, I am signing this object:

nbgoodall

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]

nbgoodall

#
# <Node tree=Array.new([value, left, right]) parent=Node node_index=(1|2)>
#
class Node < Struct.new(:tree, :parent, :node_index)
  def value
    @value ||= tree[0]
  end

  def leaf(index)
    tree[index] ? Node.new(Array(tree[index]), self, index) : nil

nbgoodall

class Player
  def play_turn(warrior)
    warrior.walk!
  end
end