Hi, Codeforces!

We are pleased to invite you to Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2), which will be held on 05.04.2025 17:35 (Московское время)

The problems are authored and prepared by CharlieV and me. You will be given 8 problems, one of which is divided into two subtasks, and 3 hours to solve them. The round will be rated for everyone.

I would like to thank everyone who has helped prepare for this round:

• Sugar_fan for his excellent coordination.
• [translators' handles] for the Russian translation.
• CharlieV, ExplodingKonjac, QwQwf, sinsop90 for providing problem ideas despite a few unused.
• 244mhq for reviewing some of the problems when coordinating my previous rounds.
• EvenImage, StarSilk, 244mhq, N_z__, yeminghan, Error_Yuan, dieselhuang, CutieSmileHaruka, QwQwf, Hanghang007, shstyle., gdf_yhm, 66E61d, beaten_by_ai, Yandere for testing the round and providing useful feedback.
• MikeMirzayanov for Codeforces and Polygon.

The score distribution is $$$750 - 1000 - 1500 - 1750 - 2250 - 3000 - (2000 - 2000) - 3500$$$.

Good luck, have fun!

And now, a few words from today's sponsor!

Greetings, Codeforces Talents!

We are thrilled to invite you to Teza’s first Codeforces competition!

Participants will have a chance to win Teza sticker packs and T-shirts:

• The top 25 ranked competitors.
• 25 randomly selected from places 26-100.

As a systematic quantitative hedge fund, we know that exceptional talent drives success—so seeing this community come together is truly exciting.

Good luck to all participants! And for those not competing, thank you for stopping by—if you're passionate about technical and algorithmic challenges, solving Olympiad-style problems, and diving into data-driven research, we’d love to connect.

Check out our career opportunities here and explore where your skills can take you. To join our team, please fill out the form.

Enjoy the competition and happy coding!