Hello Codeforces!

We are excited to invite you to TLX Regular Open Contest #31!

Key details:

• Contest URL: TLX
• Time: 11th February 2023, 14:05 UTC
• Writer: Drew_, HappyPacMan, Je-O, juancarlovieri, MetalPower, yz_, vanwij, Zanite
• Duration: 135 minutes
• Problems: 8
• Scoring distribution: 100 — 200 — 300 — 400 — 500 — 600 — 700 — 800

Many thanks to:

• Pyqe and steven.novaryo for their help in coordinating the round and in preparing the problem components.
• AMnu and joelgun14 for testing the contest.
• fushar🔥 for the amazing TLX platform.

Please register to the contest and we hope you will enjoy TROC #31!

UPD: Added scoring distribution.

Congratulations to the top 5:

1. jiangly

2. maroonrk

3. heno239

4. hos.lyric

5. hitonanode

Congratulations to our first solvers:

• A: JovanB

• B: JovanB

• C: IgorI

• D: jiangly

• E: hos.lyric

• F: jiangly

• G: jiangly

• H: maroonrk

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

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