Dear Codeforces community,

We are excited to invite you to TLX Regular Open Contest #34 (based on BNPCHS 2023 Final Round)!

BNPCHS (Bina Nusantara Programming Contest for High School Students) is an annual competitive programming competition hosted by Binus University as part of BeeFest, a national-level competition for high school students. The problemset will be based on BNPCHS 2023 final round. The TROC will be happening alongside the onsite contest and is open for everyone to join!

Key details:

• Contest URL: TLX
• Time: 15th October 2023, 06:05 UTC (Note the unusual time of the round)
• Writers: Zanite, vioalbert, Owmicron, Twits, SunShine11, ArgoCahaya
• Duration: 120 minutes
• Problems: 8
• Scoring distribution: 100 — 200 — 250 — 400 — 550 — 600 — 700 — 800

Many thanks to:

• Pyqe and the rest of the TROC team for their help in coordinating the round.
• Zanite, vioalbert, Owmicron, Chrisedyong, Twits, SunShine11, siplusplus, and ArgoCahaya in preparing the problem components.
• jonathanirvings, malfple, rfpermen, trainerherp, steven.novaryo, joelgun14, KerakTelor, kiwii, TypeYippie, kyonrevens, bonk, and takeonicky for testing the problemset and providing amazing feedback.
• fushar for the amazing TLX platform.

Please register to the contest and we hope you will enjoy TROC #34!

UPD: Added scoring distribution.

UPD2: Contest is over!

Congratulations to the top 5:

1. heno239

2. Morphed

3. hos.lyric

4. errorgorn

5. tute7627

Congratulations to our first solvers:

• A: wakaka

• B: Morphed

• C: errorgorn

• D: errorgorn

• E: Morphed

• F: hos.lyric

• G: hos.lyric

• H: hos.lyric

You can upsolve the problem here. Editorial is available in the upsolve link!

Thank you for participating and see you on the next contest!