Hello codeforces!
With the conclusion of APIO 2020, we have compiled an unofficial editorial for all 3 problems.
Credits to bensonlzl oolimry for helping with the compilation. The editorial can be found at the following link:
https://drive.google.com/file/d/1ZZIUOhvEl-sldF9eY8HSjTMnusHsbGsM/view?usp=drivesdk
Special thanks to APIO committee for an interesting problemset this year!