Hello Everyone!
The problem set of AICCSA, which was held last Saturday, will be available in Codeforces Gym tomorrow, Oct/30/2018 19:00 (Moscow time)
The problems were prepared by Hasan0540, Hiasat, Dark and Motarack. We would like to thank MikeMirzayanov for Codeforces and Polygon, and ifsmirnov for Jngen.
The contest duration is 5 hours, and it is intended for teams of three. We believe the difficulty is suitable for people with rating in the range [1600, 2600].
We hope that you enjoy the problems, and we welcome any feedback.
UPD: Tutorial link
Contest starts in about 15 minutes.
Where can I find the solutions for these problems ?
Updated post.
How to solve E?
First, find the number of connected components, c. Now, there are 5 cases.
Accepted solution: 45389010