CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial

Revision en16, by SomethingNew, 2023-09-18 23:58:37

We apologize for the technical difficulties in Task B. We hope you enjoyed the rest of the contest. We will add hints soon.

1870A - MEXanized Array

Tutorial

1870B - Friendly Arrays

Tutorial

1870C - Colorful Table

Tutorial

1870D - Prefix Purchase

Tutorial

1870E - Another MEX Problem

Tutorial

1870F - Lazy Numbers

Tutorial

1870G - MEXanization

Tutorial
Proof of asymptotic complexity for the query

1870H - Standard Graph Problem

Tutorial

Please rate the problems, it will help us make the problems better next time!

Problem Feedback

#### History

Revisions

Rev. Lang. By When Δ Comment
en16 SomethingNew 2023-09-18 23:58:37 1057
en15 SomethingNew 2023-09-18 21:33:38 6 Tiny change: 'ince $a_l >= a_{r_2}$,' -> 'ince $a_l \geq a_{r_2}$,'
ru17 SomethingNew 2023-09-18 21:33:14 8
en14 SomethingNew 2023-09-18 21:31:49 4
en13 SomethingNew 2023-09-18 21:29:14 2 Tiny change: 'equal to $x$, and $0$' -> 'equal to $j$, and $0$'
ru16 SomethingNew 2023-09-18 21:28:54 2 Мелкая правка: 'о равный $x$ и $0$ ин' -> 'о равный $j$ и $0$ ин'
ru15 SomethingNew 2023-09-18 21:27:08 6 Мелкая правка: 'бработало через $k$ верши' -> 'бработало $k$ верши'
ru14 SomethingNew 2023-09-18 21:26:43 1015
en12 SomethingNew 2023-09-18 21:08:19 10
ru13 SomethingNew 2023-09-18 21:07:05 10
ru12 SomethingNew 2023-09-18 21:06:06 13
en11 SomethingNew 2023-09-18 21:05:17 13
en10 SomethingNew 2023-09-18 21:03:37 16
ru11 SomethingNew 2023-09-18 21:02:44 1533
en9 SomethingNew 2023-09-18 20:52:17 1696
en8 glebustim 2023-09-18 20:41:22 1767
ru10 glebustim 2023-09-18 20:40:56 1613
en7 SomethingNew 2023-09-18 20:17:54 238
en6 SomethingNew 2023-09-18 20:15:54 15
en5 SomethingNew 2023-09-18 20:15:31 0 (published)
ru9 SomethingNew 2023-09-18 20:14:45 0 (опубликовано)
ru8 glebustim 2023-09-18 20:14:05 1040
en4 SomethingNew 2023-09-18 20:13:44 102
ru7 SomethingNew 2023-09-18 20:12:46 60
ru6 SomethingNew 2023-09-18 20:12:13 48
ru5 SomethingNew 2023-09-18 20:11:18 4 Мелкая правка: 'cdot \sqrt(n))$, вот та' -> 'cdot \sqrt{n})$, вот та'
en3 glebustim 2023-09-18 20:09:49 68
ru4 SomethingNew 2023-09-18 20:09:47 9685
en2 glebustim 2023-09-18 20:09:22 1110
en1 SomethingNew 2023-09-18 20:06:50 12342 Initial revision for English translation (saved to drafts)
ru3 SomethingNew 2023-09-18 19:57:56 13962
ru2 SomethingNew 2023-09-18 19:48:41 502
ru1 SomethingNew 2023-09-18 19:46:32 16165 Первая редакция (сохранено в черновиках)