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, and prepared by me.

We would like to thank:

abc864197532 and Vladithur for an amazing double coordination.
Alexdat2000 for translating the statements to Russian.
BurnedChicken for LGM testing.
BucketPotato, Fysty, alvingogo, and WiwiHo for red testing.
sammyuri, anango, jay_jayjay, amsraman, Intellegent, valeriu, erekle, and golions for orange testing.
Beacon, iceylemon157, and LittlePants for purple testing.
Jasonwei08, godgenji, Banis, ColtenOuO, temmieowo and Arthas for blue testing.
t0rtik, lumid, and AG-88301 for cyan testing.
vatzahellmen for green testing.
MikeMirzayanov for the Polygon and Codeforces platforms.

We hope you enjoy the problems!

Score Distribution: $$$500 - 1000 - 1250 - (1250 + 1000) - (2000 + 1000)$$$

Rev.	Кто	Когда	Δ	Комментарий
en19	myst-6	2024-10-26 21:35:41	47	(published)
en18	myst-6	2024-10-26 21:34:11	823	Tiny change: '\nDiv 1:\n1. [user' -> '\nDiv 1:\n\n1. [user' (saved to drafts)
en17	myst-6	2024-10-23 16:30:40	0	(published)
en16	myst-6	2024-10-23 15:20:44	513	Tiny change: '0], [user:ColtenOuO,2024-10-20], [user:' -> '0], [user:'
en15	myst-6	2024-10-22 17:28:47	15	Tiny change: 'test:2027] [contest:2027]' -> 'test:2027]'
en14	myst-6	2024-10-22 17:28:38	15	Tiny change: 'test:2027]' -> 'test:2027] [contest:2027]'
en13	myst-6	2024-10-22 17:27:46	0	Tiny change: 't_time:2027]. You wi' -> 't_time:20267]. You wi'
en12	myst-6	2024-10-21 18:13:06	4
en11	myst-6	2024-10-21 18:06:11	10
en10	myst-6	2024-10-20 20:42:17	79
en9	myst-6	2024-10-20 20:40:39	76
en8	myst-6	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	myst-6	2024-10-20 03:31:15	15	Tiny change: ':MikeMirzanayov] for th' -> ':MikeMirzayanov] for th'
en6	myst-6	2024-10-20 03:30:57	67
en5	myst-6	2024-10-20 03:30:08	33	Tiny change: 'testing.\n' -> 'testing.\n\nWe hope you enjoy the problems!'
en4	myst-6	2024-10-20 03:29:24	2	Tiny change: 'o thank:\n- [user:' -> 'o thank:\n\n- [user:'
en3	myst-6	2024-10-20 03:29:02	1320
en2	myst-6	2024-10-20 03:19:48	165
en1	myst-6	2024-10-20 03:17:46	2	Initial revision (saved to drafts)