Codejam

insomnia.rb

input = ARGV[0]
index = 0 
numbers = ""
File.open(input, 'r') do |f| 
  while line = f.gets
    if index==0
      limit=line.to_i
      index+=1
      next
    end 
    if line.to_i==0
      puts "Case \#" + index.to_s + ": INSOMNIA"
      index+=1
      next
    end 
    multiplier_counter = 1 
    while numbers.length < 10
      product=line.to_i*multiplier_counter
      product.to_s.split(//).each do |d| 
        unless numbers.index(d)
          numbers << d
        end
      end 
      multiplier_counter+=1
    end 
    puts "Case \#" + index.to_s + ": " + product.to_s
    index+=1
    numbers=""
  end 
end

pancake.rb

class Pancake
  def set_string(str)
    @str = str 
  end 
  def countFlips
    flips = 1 + @str.scan(/\+-/).count + @str.scan(/\-+/).count
    if @str.end_with? "-" 
      return flips
    else
      return flips - 1 
    end 
  end 
end

pancake = Pancake.new
input = ARGV[0]
index = 0 
numbers = ""
File.open(input, 'r') do |f| 
  while line = f.gets
    if index==0
      limit=line.to_i
      index+=1
      next
    end 
    pancake.set_string(line)
    puts "Case #" + index.to_s + ": " + pancake.countFlips().to_s
    index+=1
  end 
end