Codeforces Round #565 (Div. 3)

Revision en3, by vovuh, 2019-06-09 13:35:13

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Hello! Codeforces Round 565 (Div. 3) will start at Jun/09/2019 17:35 (Moscow time). You will be offered 6 or 7 problems (or 8) with expected difficulties to compose an interesting competition for participants with ratings up to 1600. Probably, participants from the first division will not be at all interested by this problems. And for 1600-1899 the problems will be too easy. However, all of you who wish to take part and have rating 1600 or higher, can register for the round unofficially.

The round will be hosted by rules of educational rounds (extended ACM-ICPC). Thus, during the round, solutions will be judged on preliminary tests, and after the round it will be a 12-hour phase of open hacks. I tried to make strong tests — just like you will be upset if many solutions fail after the contest is over.

You will be given 6 or 7 (or 8) problems and 2 hours to solve them.

Note that the penalty for the wrong submission in this round (and the following Div. 3 rounds) 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 participants of the third division, you must:

  • take part in at least two 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.

Thanks to MikeMirzayanov for the platform, help with ideas for problems and for coordination of my work. Thanks to my good friends Mikhail awoo Piklyaev, Maksim Neon Mescheryakov and Ivan BledDest Androsov for help in round preparation and testing the round.

Good luck!

I also would like to say that participants who will submit wrong solutions on purpose and hack them afterwards (example) will not be shown in the hacking leaders table.

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UPD1: Big thanks to Um_nik, Rudy1444, nigus and Temotoloraia for testing the round! And also big thanks to my dear friends Ivan BledDest Androsov, Roman Roms Glazov and Mikhail awoo Piklyaev for help with round preparation!

Tags codeforces, 565, third division

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  Rev. Lang. By When Δ Comment
en6 English vovuh 2019-06-10 19:53:29 2604 Tiny change: 'published!' -> 'published!\n\n**UPD3**:\n'
ru7 Russian vovuh 2019-06-10 19:53:07 2580
ru6 Russian vovuh 2019-06-10 19:48:38 76
en5 English vovuh 2019-06-10 19:48:19 80
en4 English vovuh 2019-06-09 14:52:31 36 Tiny change: '019-06-09] and [use' -> '019-06-09], [user:opukittpceno_hhr] and [use'
ru5 Russian vovuh 2019-06-09 14:52:15 36 Мелкая правка: '019-06-09] и [user:' -> '019-06-09], [user:opukittpceno_hhr] и [user:'
ru4 Russian vovuh 2019-06-09 13:45:04 359
en3 English vovuh 2019-06-09 13:35:13 357 Tiny change: 'er:nigus] for test' -> 'er:nigus] and [user:Temotoloraia] for test'
en2 English vovuh 2019-06-08 17:55:39 0 (published)
ru3 Russian vovuh 2019-06-08 17:55:32 2 Мелкая правка: 'одных мест! Там буду ' -> 'одных мест. Там буду ' (опубликовано)
ru2 Russian vovuh 2019-06-08 17:54:18 373 Мелкая правка: 'Мирзаянов!' -> 'Мирзаянов! Регистрация закончится 23 июня.'
en1 English vovuh 2019-06-08 17:15:35 2309 Initial revision for English translation (saved to drafts)
ru1 Russian vovuh 2019-06-08 17:15:01 2287 Первая редакция (сохранено в черновиках)