Hello to all fans of competitive programming and Codeforces enjoyers! We're happy to invite you to participate in Hello 2025, which will take place on Jan/04/2025 17:35 (Moscow time).
We, I_love_kirill22, dope, and induk_v_tsiane, have prepared 8 problems for you, and you’ll have 2 hours and 30 minutes to solve them. One of the problems is divided into 2 subtasks. The round will be rated for all participants.
Huge thanks to MikeMirzayanov, geranazavr555, and KAN for great systems Polygon and Codeforces!
Special thanks also go to:
- FairyWinx for coordinating this round, finding testers, and providing moral and technical support.
- turmax, LeoPro, Kapt, sevlll777, Pechalka, Adam_GS, evjeny_23, Iura_Shch, Noobish_Monk, Chalishkan, BottleOfJuice, v0s7er, Error_Yuan, zwezdinv, RP-1, mz1, RomkaRS, epcgmein, golikovnik, and KiruxaLight for testing.
- Anna Zaitseva for the moral support of all our projects.
Score distribution: 500 — 1000 — 1500 — 2250 — (1000+2000) — 3500 — 3750 — 4500
UPD (Update!) (Update! Yey!) Editorial — link
This round was prepared with the support of T-Generation. If you are a Russian-speaking student, please switch to the Russian version of this blog. There you will find information about our educational projects that may be interesting for you.
UPDATE
Congratulations to the winners:
