readme.md

Executing the code:

ruby noodle_timer.rb 3 5 7

The arguments is in order, the time to cook noodles and the time of each hour glasses

noodle_timer.rb

time_to_cook = ARGV[0].to_i
hour_glass_one = ARGV[1].to_i
hour_glass_two = ARGV[2].to_i

def can_cook?(time_to_cook, hour_glass_one, hour_glass_two)

  total_time = 0
  used_hour_glass_one = hour_glass_one
  used_hour_glass_two = hour_glass_two

  time_difference = nil
  can_cook = false

  while time_difference != 0
    if used_hour_glass_one > used_hour_glass_two
      time_difference = used_hour_glass_one - used_hour_glass_two
      total_time += used_hour_glass_two
      used_hour_glass_one = time_difference
      used_hour_glass_two = hour_glass_two
    else
      time_difference = used_hour_glass_two - used_hour_glass_one
      total_time += used_hour_glass_one
      used_hour_glass_two = time_difference
      used_hour_glass_one = hour_glass_one
    end

    if time_difference == time_to_cook
      total_time += time_to_cook
      can_cook = true
      break
    end
  end

  return total_time if can_cook
  return false
end

result = can_cook?(time_to_cook, hour_glass_one, hour_glass_two)

if result
  puts "Tempo mínimo necessário para o miojo ficar pronto são #{result} minutos"
else
  puts 'Não vai ser possível cozinhar no tempo exato com estas ampulhetas'
end