Criterion 2020 Round 2


The contest will start on February 14, 2020 at 9:00 AM UTC and will run for 2 hours 45 minutes.

Click here to learn more about this contest.

For problem E, it says “if two students with different parities (one student with even id and one student with odd id)”, but does it mean a student with prime id and a student with non-prime id?


Why isn’t the round rated?

1 Like

Thank you, @aaman007! Ratings have been updated.