Challenge Rules

1. The challenge supports programming languages as C, C++, Java, Python, Pascal, D and Rust.
2. Your score depends on your last non-zero score submission.
3. The challenge allows the use of paper documents.
4. If you need clarification or any help, you can just raise your hand: )
5. The result shown on the standings during the contest is evaluated only on 3 public test cases, due to the judging pressure.
6. Only one submission is allowed per 5 mins.