Codeforces Round #876 (Div. 2)

№	Пользователь	Рейтинг
1	tourist	3993
2	jiangly	3743
3	orzdevinwang	3707
4	Radewoosh	3627
5	jqdai0815	3620
6	Benq	3564
7	Kevin114514	3443
8	ksun48	3434
9	Rewinding	3397
10	Um_nik	3396

№	Пользователь	Вклад
1	cry	167
2	Um_nik	163
3	maomao90	162
3	atcoder_official	162
5	adamant	159
6	-is-this-fft-	158
7	awoo	155
8	TheScrasse	154
9	Dominater069	153
10	djm03178	152

Hello, Codeforces!

I invite you to participate in Codeforces Round 876 (Div. 2), which will be held on 03.06.2023 17:35 (Московское время).

The round will be rated for participants with rating lower than 2100. Participants with higher rating can participate in round unofficially.

You will be given 5 problems and 2 hours to solve them. I recommend you to read all problems. One of the problems will be interactive, so please read guide for interactive problems before the contest.

All problems are authored by me.

I would like to thank:

Renatyss for helping with preparation and discussing the problems.
IgorI for great round coordination.
bashkort, daubi, Ormlis, satyam343, maomao90, Dominater069, Umi, Kirill020708, asafiul, iliya_mon, sdyakonov, tolbi, Asgat, AquaMoon for testing the round and providing useful feedback.
MikeMirzayanov for Codeforces and Polygon platforms.

Score distribution: 500 — 1000 — 1500 — 2250 — 2750.

Good luck to all participants!

Editorial has been published.

Winners: 1. arvindf734 2. caubetraidatmarvin 3. AmazingTalker_Frank 4. Perfectt 5. 1437vszombies

Unofficial winners: 1. Geothermal 2. Rubikun 3. Roundgod 4. neal 5. A_G

First-to-solve: A. M_bolshakov — 0:01. B. Never-Ever — 0:05. C. SSRS_ — 0:10. D. BucketPotato — 0:18. E. BeyondHeaven — 0:22.

Rev.	Кто	Когда	Δ	Комментарий
ru18	valerikk	2023-06-03 20:28:20	0	(опубликовано)
en19	valerikk	2023-06-03 20:28:02	0	(published)
en18	valerikk	2023-06-03 20:27:47	18
ru17	valerikk	2023-06-03 20:27:13	10
ru16	valerikk	2023-06-03 20:26:48	6
ru15	valerikk	2023-06-03 20:26:28	640	(сохранено в черновиках)
en17	valerikk	2023-06-03 20:25:11	623	(saved to drafts)
ru14	valerikk	2023-06-03 20:03:41	0	(опубликовано)
ru13	valerikk	2023-06-03 20:03:25	71	(сохранено в черновиках)
en16	valerikk	2023-06-03 20:02:30	0	(published)
en15	valerikk	2023-06-03 20:01:51	77	(saved to drafts)
en14	valerikk	2023-06-03 12:20:15	48
ru12	valerikk	2023-06-03 12:19:54	78
ru11	valerikk	2023-06-01 17:38:31	0	(опубликовано)
en13	valerikk	2023-06-01 17:38:03	0	(published)
ru10	valerikk	2023-06-01 17:19:17	5	Мелкая правка: 'рейтингом менее 2100. Уч' -> 'рейтингом ниже 2100. Уч'
ru9	valerikk	2023-06-01 17:19:02	30	Мелкая правка: 'позднее.\n' -> 'позднее.\n\nЖелаю удачи всем участникам!'
en12	valerikk	2023-06-01 17:18:46	34	Tiny change: 'ced later.' -> 'ced later.\n\nGood luck to all participants!'
en11	valerikk	2023-06-01 17:17:45	3	Tiny change: 'eractive, please re' -> 'eractive, so please re'
en10	valerikk	2023-06-01 17:15:47	38	Tiny change: 'lve them. One of t' -> 'lve them. I recommend you to read all problems. One of t'
ru8	valerikk	2023-06-01 17:15:33	37
en9	valerikk	2023-06-01 17:14:12	46	Tiny change: 'platforms.' -> 'platforms.\n\nScore distribution will be annouced later.'
ru7	valerikk	2023-06-01 17:13:49	43	Мелкая правка: 'и Polygon.' -> 'и Polygon.\n\nРазбалловка будет опубликована позднее'
ru6	valerikk	2023-06-01 17:12:05	23	Мелкая правка: 'ние раунда.\n- [user' -> 'ние раунда и полезные комментарии.\n- [user'
en8	valerikk	2023-06-01 17:11:37	30	Tiny change: ' the round.\n- [user' -> ' the round and providing useful feedback.\n- [user'
en7	valerikk	2023-06-01 17:11:08	6	Tiny change: '6-01] for round coo' -> '6-01] for great round coo'
ru5	valerikk	2023-06-01 17:10:58	9	Мелкая правка: '06-01] за координац' -> '06-01] за отличную координац'
ru4	valerikk	2023-06-01 17:10:25	2	Мелкая правка: 'одарить:\n- [user:' -> 'одарить:\n\n- [user:'
ru3	valerikk	2023-06-01 17:10:17	0	Мелкая правка: 'агодарить:\n- [user:Re' -> 'агодарить:- [user:Re'
ru2	valerikk	2023-06-01 17:09:41	0	Мелкая правка: ' раунда.\n- [user:Mike' -> ' раунда.\n[user:Mike'
ru1	valerikk	2023-06-01 17:09:03	1174	Первая редакция перевода на Русский (сохранено в черновиках)
en6	valerikk	2023-06-01 17:00:08	4	Tiny change: ' contest. All proble' -> ' contest. \n\nAll proble'
en5	valerikk	2023-06-01 16:59:16	34
en4	valerikk	2023-06-01 16:58:22	113
en3	valerikk	2023-06-01 16:56:07	0	Tiny change: 'ordination.\n- [user' -> 'ordination and probl.\n- [user'
en2	valerikk	2023-06-01 16:54:05	629
en1	valerikk	2023-06-01 16:50:11	409	Initial revision (saved to drafts)

История