XVII Open Cup Stage 10: Grand Prix of Gomel takes place on Sunday, February 5, 2017, at 11:00 AM Petrozavodsk time.

The link to the contest. You need an Open Cup login to participate.

I'm the writer of all the problems.

This problemset will also be used at Barcelona ACM ICPC Bootcamp on Monday, February 6. Unfortunately, this means I have to ask you to refrain from discussing the problems in public until the end of the contest in Barcelona on Monday, 5:30 PM Barcelona time.

Let's discuss the problems here on Monday evening!