Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad)

Revision en3, by DishonoredRighteous, 2023-04-12 22:16:11

Hello, Codeforces!

This Saturday VIII Lipetsk Team Olympiad, a competition for high school students from all over the country, will be held in Lipetsk. May be you participated in previous Codeforces rounds based on our problems (rounds 643 and 791).

The round will start at Apr/15/2023 12:05 (Moscow time) and will last for 2 hours. Please notice the unusual time. Each division will have 6 problems (TODO???). The round will be held according to the Codeforces rules and will be rated for both divisions.

Problems were proposed and prepared by Um_nik, DishonoredRighteous, FairyWinx, golikovnik, teraqqq, grphil, Kon567889, Tikhon228 and dshindov.

I would like to thank Artyom123 for great round coordination and our testers: Ormlis, Mangooste, Alexdat2000, sevlll777, nik_sn, Nitelike and Tilt.

Of course, I would like to thank all Codeforces team for this beautiful platform!

Scoring distribution will be announced later.

I hope you will enjoy our problems. Wish you good luck and high rating!


  Rev. Lang. By When Δ Comment
en12 English DishonoredRighteous 2023-04-16 15:48:58 86
en11 English Artyom123 2023-04-15 19:14:16 377
en10 English DishonoredRighteous 2023-04-15 19:08:24 0 (published)
en9 English Artyom123 2023-04-15 19:03:47 195 Tiny change: '4], [user:e' -> '4], [user: Setsuna], [user:e' (saved to drafts)
en8 English Kon567889 2023-04-15 17:43:29 57
en7 English DishonoredRighteous 2023-04-15 11:58:38 140 Tiny change: '0 – 3000\nDiv.2 50' -> '0 – 3000\n\nDiv.2 50'
en6 English DishonoredRighteous 2023-04-14 14:12:08 1 Tiny change: 'petsk. May be you par' -> 'petsk. Maybe you par'
en5 English DishonoredRighteous 2023-04-14 14:04:59 0 (published)
en4 English DishonoredRighteous 2023-04-14 14:03:09 586
en3 English DishonoredRighteous 2023-04-12 22:16:11 5 Tiny change: '23-04-12]. I would li' -> '23-04-12].\n\nI would li'
en2 English DishonoredRighteous 2023-04-12 22:15:10 64
en1 English DishonoredRighteous 2023-04-12 22:14:04 1402 Initial revision (saved to drafts)