Codeforces Round #881 (Div. 3)

Правка en4, от EJIC_B_KEDAX, 2023-06-19 20:50:10

Hello, Codeforces!

On Jun/20/2023 17:35 (Moscow time) Codeforces Round 881 (Div. 3) will start.

You will be offered 7 problems with expected difficulties to compose an interesting competition for participants with ratings up to 1600. However, all of you who wish to take part and have a rating of 1600 or higher, can register for the round unofficially.

The round will be hosted by rules of educational rounds (extended ICPC). Thus, solutions will be judged on preliminary tests during the round, and after the round, it will be a 12-hour phase of open hacks.

You will be given 7 problems and 2 hours and 15 minutes to solve them.

Note that the penalty for the wrong submission in this round is 10 minutes.

Remember that only the trusted participants of the third division will be included in the official standings table. As it is written by link, this is a compulsory measure for combating unsporting behavior. To qualify as a trusted participant of the third division, you must:

  • take part in at least five rated rounds (and solve at least one problem in each of them)

  • do not have a point of 1900 or higher in the rating.

Regardless of whether you are a trusted participant of the third division or not, if your rating is less than 1600, then the round will be rated for you.

Problems have been created and written by: zwezdinv, EJIC_B_KEDAX, molney, Sokol080808, meowcneil, Vladosiya.

We would like to thank:

  1. Vladosiya for coordinating the round.

  2. MikeMirzayanov for Polygon and Codeforces platforms and testing.

  3. tute7627 for red-black testing.

  4. ace5, sevlll777, oursaco, lightseba, gmusya, pavlekn, vrintle, tolbi for yellow testing.

  5. diskoteka, moonpie24, SashaT9, shell_wataru, MGod, Phantom_Performer, tarattata1, alex.kudryashov, Restricted, sdyakonov for purple testing.

  6. Alex239, MrEssiorx, olyazyryanova, marzipan, Pa_sha, Rudro25, azureglow, IHateGeometry, ivan.alexeev, krigare for blue testing.

  7. Guevara74, ctraxxd for cyan testing.

  8. sahal, exhausted, viteli, prohamer80 for green testing.

Good luck!

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  Rev. Язык Кто Когда Δ Комментарий
ru15 Русский MikeMirzayanov 2023-06-24 18:17:29 2 Мелкая правка: 'вое тестиравание раун' -> 'вое тестирование раун'
ru14 Русский EJIC_B_KEDAX 2023-06-21 16:00:07 2 Мелкая правка: '**UPD:** [разбор](htt' -> '**UPD:** [Разбор](htt'
en6 Английский EJIC_B_KEDAX 2023-06-21 15:59:39 5 Tiny change: '**UPD:** [tutorial](ht' -> '**UPD:** [Editorial](ht'
en5 Английский EJIC_B_KEDAX 2023-06-21 15:56:05 66
ru13 Русский EJIC_B_KEDAX 2023-06-21 15:55:08 64
en4 Английский EJIC_B_KEDAX 2023-06-19 20:50:10 1 Tiny change: 'lo, Codefoces!\n\nOn' -> 'lo, Codeforces!\n\nOn'
ru12 Русский EJIC_B_KEDAX 2023-06-19 20:49:53 1 Мелкая правка: 'ет, Codefoces!\n\nВо' -> 'ет, Codeforces!\n\nВо'
en3 Английский EJIC_B_KEDAX 2023-06-19 15:39:55 0 (published)
ru11 Русский EJIC_B_KEDAX 2023-06-19 15:29:47 0 (опубликовано)
ru10 Русский EJIC_B_KEDAX 2023-06-19 15:26:37 11 Мелкая правка: 'и **2 часа** на их р' -> 'и **2 часа и 15 минут** на их р'
en2 Английский EJIC_B_KEDAX 2023-06-19 15:26:04 15 Tiny change: ' **2 hours** to sol' -> ' **2 hours and 15 minutes** to sol'
en1 Английский EJIC_B_KEDAX 2023-06-19 15:17:09 2929 Initial revision for English translation (saved to drafts)
ru9 Русский EJIC_B_KEDAX 2023-06-19 14:54:59 394
ru8 Русский EJIC_B_KEDAX 2023-06-19 14:35:32 76
ru7 Русский EJIC_B_KEDAX 2023-06-19 13:51:40 2 Мелкая правка: '19] за синие тестиров' -> '19] за синее тестиров'
ru6 Русский EJIC_B_KEDAX 2023-06-19 13:48:27 1 Мелкая правка: 'oces!\n\nВ [contest_' -> 'oces!\n\nВо [contest_'
ru5 Русский EJIC_B_KEDAX 2023-06-19 13:47:55 213
ru4 Русский EJIC_B_KEDAX 2023-06-19 13:45:11 11 Мелкая правка: 'oces!\n\nВ [понедельник, 20 ию' -> 'oces!\n\nВо [вторник, 20 ию'
ru3 Русский EJIC_B_KEDAX 2023-06-19 13:39:03 9
ru2 Русский EJIC_B_KEDAX 2023-06-19 13:33:24 864
ru1 Русский EJIC_B_KEDAX 2023-06-19 13:09:53 3101 Первая редакция (сохранено в черновиках)