hanoi.rb

# tower_of_hanoi.rb

a = [1,2]
b = []
c = []

# Move the disks from one peg to another following the rules of Hanoi.
#
# number_of_disks - the total number of disks
# from - the starting peg
# to - the ending (goal) peg
# via - the remaining peg (b in this case)
#
def move_disk(number_of_disks,from,to,via)
   if from == [] && via == []
    return to
     else
       if move_count.odd? == true
         if from.length.odd? == true
           to << 1
           else
             via << 1
         end
       end
      to << number_of_disks if from == [number_of_disks] && to == []
     end
    
   move_disk(number_of_disks,from,to,via)
 to
end


puts move_disk(2, a, c, b).inspect