Codeforces Round 9XX (Div. 2)

Hello Codeforces! Me and yud08 are excited to invite you to take part in Codeforces Beta Round 92 (Div. 1 Only), which starts on Nov/03/2011 19:10 (Moscow time). You will be given 5 problems and 2 hours to solve them. Two problems are divided into two subtasks.

This round will be rated for all participants whose rating is strictly below 2100.

The problems were authored by me and yud08.

We would like to thank:

abc864197532 and Vladithur for an amazing double coordination.
BurnedChicken for LGM testing.
BucketPotato, Fysty, alvingogo, and WiwiHo for red testing.
sammyuri, anango, jay_jayjay, amsraman, Intellegent, ntherner, erekle, and golions for orange testing.
Kita, iceylemon157, and LittlePants for purple testing.
Jasonwei08, godgenji, Banis, ColtenOuO, temmieowo and lxnu for blue testing.
t0rtik, lumid, and AG-88301 for cyan testing.
Haaland-Erling for green testing.
[user:MikeMirzanayov] for the Polygon and Codeforces platforms.

We hope you enjoy the problems!

Rev.	Кто	Когда	Δ	Комментарий
en19	rika	2024-10-26 21:35:41	47	(published)
en18	rika	2024-10-26 21:34:11	823	Tiny change: '\nDiv 1:\n1. [user' -> '\nDiv 1:\n\n1. [user' (saved to drafts)
en17	rika	2024-10-23 16:30:40	0	(published)
en16	rika	2024-10-23 15:20:44	513	Tiny change: '0], [user:ColtenOuO,2024-10-20], [user:' -> '0], [user:'
en15	rika	2024-10-22 17:28:47	15	Tiny change: 'test:2027] [contest:2027]' -> 'test:2027]'
en14	rika	2024-10-22 17:28:38	15	Tiny change: 'test:2027]' -> 'test:2027] [contest:2027]'
en13	rika	2024-10-22 17:27:46	0	Tiny change: 't_time:2027]. You wi' -> 't_time:20267]. You wi'
en12	rika	2024-10-21 18:13:06	4
en11	rika	2024-10-21 18:06:11	10
en10	rika	2024-10-20 20:42:17	79
en9	rika	2024-10-20 20:40:39	76
en8	rika	2024-10-20 03:33:37	20	Tiny change: '024-10-20].\n\nWe wo' -> '024-10-20], and prepared by me.\n\nWe wo'
en7	rika	2024-10-20 03:31:15	15	Tiny change: ':MikeMirzanayov] for th' -> ':MikeMirzayanov] for th'
en6	rika	2024-10-20 03:30:57	67
en5	rika	2024-10-20 03:30:08	33	Tiny change: 'testing.\n' -> 'testing.\n\nWe hope you enjoy the problems!'
en4	rika	2024-10-20 03:29:24	2	Tiny change: 'o thank:\n- [user:' -> 'o thank:\n\n- [user:'
en3	rika	2024-10-20 03:29:02	1320
en2	rika	2024-10-20 03:19:48	165
en1	rika	2024-10-20 03:17:46	2	Initial revision (saved to drafts)