Hello, Codeforces!
We are excited to invite you to the mirror of COMPFEST 18 Final Round! 
COMPFEST is an annual national-level IT event and competition organized by the Faculty of Computer Science, Universitas Indonesia (Fasilkom UI). This mirror is based on the problemset of the COMPFEST 18 Senior Competitive Programming Contest Final Round, and is open for everyone to participate!
This mirror features a subset of the problems from the original contest.
Key Details:
- Rated for all
- Contest link: TLX
- Time: Sunday, September 27, 2026 at 13:00 UTC+7
- Duration: 150 minutes
- Problems: 8
- Allowed languages: C, C++, Pascal, Java, Python 3, Go, Rust
- Contest style: ICPC
Penalty per wrong submission: 10 minutes
- Available languages: English, Bahasa Indonesia
- Authors: RizkWar, robertoeugenio, vinren, worthytacos
We Would Like to Thank:
- COMPFEST 18 Scientific Committee: Wuskevo, DYTOBYTE, GaLz, Nalkq, Nicyue, kukuk, RizkWar, robertoeugenio, vinren, and worthytacos
- Mirror coordinators: Yoshiyuki and prabowo
- Testers: aufannn, bananade1, benedictzir, ByeWorld512, codingfennel, gansixeneh, and Zanite
For more information about the contest rules and regulations, please refer to the contest page.
Please register for the contest, and we encourage everyone to try all the problems! We hope you enjoy the mirror and have fun solving!
