Calculator: The Game (solver)

calc_solver.rb

# This runs through all possible moves for the app "Calculator: The Game"
#
# Note that in the app the buttons keep changing their functions, 
# so you will need to edit the functions according to your level.
def calc
  moves = 6
  start = 111
  goal = 126
  def up(input)
    input * 3
  end
  def mid(input)
    input-9
  end
  def right(input)
    input * -1
  end
  def down(input)
    input.to_s[0..-2].to_i
  end

  seqs = [:up, :mid, :right, :down].repeated_permutation(moves)

  seqs.each do |seq|
    res = start
    seq.each {|fn| res = send(fn, res) }
    puts seq.inspect if res == goal
  end
end