Applicake Quezz

gistfile1.rb

class Decode
        
  def initialize(code)
    @@code = code.split(",")
  end
  
  def start
    result = []
    pos = 0
    
    @@code.each{ |x| 
      is_numeric?(x) ? ((pos+=x.to_i) && next) : ((result[pos-1]=x) && (pos=0))      
    }
        
    result.to_s
  end
  
  private 
  
  def is_numeric?(s)
      !!Float(s) rescue false
  end  
end