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Codeforces Round 950 (Div. 3)

Revision en10, by Vladosiya, 2024-06-04 15:34:26

Hello! Codeforces Round 950 (Div. 3) will start at Jun/03/2024 17:35 (Moscow time). You will be offered 6-8 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. After open hacks all accepted solutions will be rejudged on successful hacks.

You will be given 6-8 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 our team: myav, Gornak40, senjougaharin and Vladosiya.

We would like to thank:

  1. MikeMirzayanov for help with ideas and Polygon and Codeforces platforms.

  2. Be_dos, Dominater069, 74TrAkToR, BucketPotato for red testing.

  3. KseniaShk, cry, tolbi, ScarletS, nskybytskyi, sevlll777 for yellow testing.

  4. mahdi.hasnat, Phantom_Performer, mainyutin for purple testing.

  5. natalina, FBI, Kopite, MADE_IN_HEAVEN, mz1 for blue testing.

  6. Romakolesn for cyan testing.

Good luck!

P.S.: We are aware of the error that occurred while updating the ratings for Educational Codeforces Round 166. It will be fixed before this round. UPD: We fixed it!

UPD: Editorial is out!


  Rev. Lang. By When Δ Comment
ru8 Russian Vladosiya 2024-06-04 15:35:02 63
en10 English Vladosiya 2024-06-04 15:34:26 74
en9 English Vladosiya 2024-06-03 15:37:56 245
ru7 Russian Vladosiya 2024-06-03 15:37:11 261
ru6 Russian Vladosiya 2024-06-03 01:09:44 3 Мелкая правка: 'унда.**UPD: Мы её исп' -> 'унда.**UPD Мы её исп'
ru5 Russian Vladosiya 2024-06-03 00:07:51 27
en8 English Vladosiya 2024-06-03 00:06:58 54 Tiny change: ' round. **We fixed i' -> ' round. **UPD: We fixed i'
en7 English Vladosiya 2024-06-02 20:25:12 45 Tiny change: 'sting.\n\nThe list of testers will be updated soon!\n\nGood l' -> 'sting.\n\nGood l'
ru4 Russian Vladosiya 2024-06-02 20:24:59 332
en6 English Vladosiya 2024-06-02 20:24:29 313
en5 English Vladosiya 2024-06-01 15:34:04 8
en4 English Vladosiya 2024-06-01 15:13:04 16
ru3 Russian Vladosiya 2024-06-01 15:12:34 16
ru2 Russian Vladosiya 2024-06-01 15:12:01 0 (опубликовано)
en3 English Vladosiya 2024-06-01 15:11:46 1 Tiny change: ' on succesful hacks' -> ' on successful hacks' (published)
en2 English Vladosiya 2024-06-01 15:08:37 81 Tiny change: 'e given **7 problems*' -> 'e given **6-8 problems*'
en1 English Vladosiya 2024-06-01 15:06:48 2160 Initial revision for English translation (saved to drafts)
ru1 Russian Vladosiya 2024-06-01 15:04:08 2398 Первая редакция (сохранено в черновиках)