Hello, Codeforces! 🤯
green_gold_dog, ace5, bashkort and I salyg1n are pleased to invite you to participate in Codeforces Round 897 (Div. 2), which will take place on Monday, September 11, 2023 in 17:35.
This round will be rated for participants whose rating is below 2100.
You will be given 6 tasks and 2 hours to solve them. We recommend reading all the tasks. Interactive tasks may occur in the round, so we suggest reading this post.
We want to thank:
Aleks5d for coordinating the round and improving one of the tasks. 🤓
daubi, Nutella3000, arbuzick, alegsandyr, maomao90, FairyWinx, zwezdinv, valerikk, danya111, EJIC_B_KEDAX, dushenkov, fishy15, makrav, pakhomovee, alexashkins, Kihihihi, asafiul, Ivan_len, ArtAlex, Undying, JustNik77, Pavarishko and 3e4 for testing the round and giving valuable feedback. 🙏 orz
ryskmax for being the only blue tester and giving valuable feedback. 🐳
DimaTomsk and ilyakrasnovv for viewing some of the tasks and giving valuable feedback. 🤠
stepanov.aa for not testing the round. 🦥 :(
The authors of the task 5. Overtaking from IOI 2023 for bashkort taking a gold medal. 🥇 Too dead? Yes, so am I.
MikeMirzayanov and geranazavr555 for the excellent codeforces and polygon platforms. 🦖 Thank you!
We hope you'll enjoy our problems! Good luck!
UPD. Score distribution: $$$500 - 1000 - 1250 - 2000 - (2000 + 1000) - 4000$$$.
UPD2. Congratulations to the winners!
Div. 2
Div. 1
UPD3. Editorial.