Hello, Codeforces!

We are pleased to announce Codeforces Global Round 26! Thanks to XTX Markets for supporting the initiative! In 2024, we are holding 4 such rounds. The series results will take into account the best 3 participations out of 4.

On Jun/09/2024 17:35 (Moscow time) we will host Codeforces Global Round 26.

Codeforces Global Round 26 marks the second round in the 2024 series of Codeforces Global Rounds. These rounds are open and rated for everyone.

The prizes for this round are as follows:

• The top 30 participants will receive a t-shirt.
• 20 t-shirts will be randomly distributed among participants ranked between 31 and 500, inclusive.

The prizes for the 4-round series in 2024:

• In each round, the top-100 participants get points according to the table.
• A participant's final score will be the sum of the points they earned in their 3 highest-placing rounds.
• The top 20 participants across the series will receive sweatshirts and placement certificates.

We extend our gratitude to XTX Markets for supporting the global rounds initiative in 2024!

The problems were written and prepared by null_awe, flamestorm, le0n, and buffering.

We would also like to thank:

• Our amazing coordinator TheScrasse for his quick and thorough review.
• Our last-minute Russian translator Alexdat2000.
• Our testers bronze_coder, conqueror_of_tourist, Ra16bit, Flamire, Esomer, PurpleCrayon, Ritwin, awesomeguy856, Tekor, Sugar_fan, htetgm, sum, lunchbox, Ste, liympanda, CSQ31, oursaco, Edlue, eggag32, Tsotne533, serichaoo, Mononoke001, redpanda, janY_, tiagodias, pablopalou, S2speed, cry, Marckess, madlogic for their rigorous feedback.

Round Information:

• Duration: $$$3$$$ hours
• Number of problems: $$$8$$$ problems
• Score distribution:
  $$$500 - 750 - (750 + 1250) - 2500 - 3000 - 3000 - 4000 - 5000$$$

We eagerly anticipate your participation!

UPD: Editorial! https://codeforces.net/blog/entry/130252

UPD2:

Winners!
1. tourist
2. jiangly
3. Benq
4. jqdai0815
5. Nachia

First Solves
A: Benq
B: Thienu
C1: nwn
C2: Benq
D: Be_dos
E: Tom66
F: kiwihadron
G: tourist
H: rainboy