Codeforces Round #852 (Div.2, based on Moscow Olympiad for Young Students, rated)

Revision en7, by vaaven, 2023-02-12 18:34:29

Hi everybody,

This Sunday there will be a Moscow Olympiad for Young Students. This contest is prepared by Moscow Olympiad Scientific Committee that you may know by Moscow Open Olympiad, Moscow Team Olympiad and Metropolises Olympiad (rounds 327, 342, 345, 376, 401, 433, 441, 466, 469, 507, 516, 541, 545, 567, 583, 594, 622, 626, 657, 680, 704, 707, 727, 751, 775, 802, 829).

The round will be held at 12.02.2023 11:35 (Московское время) and will last for 2 hours. Note the unusual time of the round. The round will be held according to the Codeforces rules and will be rated.

Problems of this competition were prepared by Tikhon228, TheEvilBird, Ormlis, vaaven, Gornak40, Honey_Badger guided by vaaven, grphil and Helen Andreeva.

Thanks to Artyom123 for the round coordination, and also thanks for MikeMirzayanov for systems Codeforces and Polygon, which was used to prepare problems of this olympiad.

Thanks to BucketPotato, KseniaShk, NemanjaSo2005, MagentaCobra, kuertov, prvocislo, 4qqqq, vsinitsynav, FynjyBath, qualdoom, ivanlarin, didedoshka, petyb, PBBx0, Mikhango, charlyk, RP-1, talant, ak2006 for testing.

Due to the official competition source codes of other participants will not be available for an hour after the end of the round.

Good luck everybody!

UPD: Score distribution: 500 — 1000 — 1250 — 1750 — 2500 — 3250

UPD2: Еditorial

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en7 English vaaven 2023-02-12 18:34:29 67
ru10 Russian vaaven 2023-02-12 18:34:10 64
en6 English vaaven 2023-02-11 20:58:37 153
ru9 Russian vaaven 2023-02-11 20:57:22 144 Мелкая правка: '023-02-10]' -> '023-02-10], [user:talant,2023-02-10], [user:ak2006,2023-02-10]'
ru8 Russian vaaven 2023-02-10 18:02:15 24
en5 English vaaven 2023-02-10 17:57:36 19 Tiny change: 'l be rated for both divisions.\n\nProbl' -> 'l be rated.\n\nProbl'
en4 English vaaven 2023-02-10 17:48:28 2
ru7 Russian vaaven 2023-02-10 17:48:18 2
ru6 Russian vaaven 2023-02-10 17:44:40 0 (опубликовано)
en3 English vaaven 2023-02-10 17:43:22 0 (published)
en2 English Ormlis 2023-02-10 17:26:34 24
en1 English vaaven 2023-02-10 17:10:01 3326 Initial revision for English translation (saved to drafts)
ru5 Russian vaaven 2023-02-10 16:54:53 387
ru4 Russian vaaven 2023-02-10 16:53:45 540
ru3 Russian vaaven 2023-02-10 16:40:43 3 Мелкая правка: 'ser:Artyom,2023-02-1' -> 'ser:Artyom123,2023-02-1'
ru2 Russian vaaven 2023-02-10 16:37:27 25
ru1 Russian vaaven 2023-02-10 16:35:21 3275 Первая редакция (сохранено в черновиках)