1. At most, two successful submissions are allowed per problem. The best score will overrule the score of the first submission.
2. A submission will be graded against a set of five required outputs, each worth 20 marks.
3. A bonus of 10 marks will be awarded for a first submission, with each of the five required outputs being correct and no other submission submitted for the question.
4. A bonus of 1 mark will be awarded for each five minute interval left in the competition at the time of submission, provided that at least one of the five outputs was correct.