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

Правка en12, от DishonoredRighteous, 2023-04-16 15:48:58

Hello, Codeforces!

This Saturday VIII Lipetsk Team Olympiad, a competition for high school students from all over the country, will be held in Lipetsk. Maybe 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. 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, TeaTime, Tikhon228 and dshindov.

I would like to thank Artyom123 for great round coordination and our testers: Ormlis, bashkort, Umi, I_LOVE_ANTON_DONBASS, Egor.Lifar, iakovlev.zakhar, Mangooste, Siberian, SomethingNew, stepanov.aa, talant, rt3, towrist, Aaeria, Alexdat2000, qxforever, Renatyss, Renedyn, sevlll777, towrist, valerikk, Tiagodfs, wiz_cs, Setsuna, ezraft, Gornak40, HunterXD, kbats183, Nathan_McKane, nik_sn, Nitelike, Tilt, ak2006, KiruxaLight, 9kin.

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!

UPD: Scoring distribution:

Div.1: 750 – 1250 – 1500 – 2000 – 2750 – 3000

Div.2: 500 – 1000 – 1750 – 2000 – 2500 – 3500

UPD: Winners!

Div 2:

Div 1:

UPD: Editorial is available here

История

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