Codeforces Round #694 (Div.1, Div.2)

Revision en10, by IgorI, 2021-01-05 22:41:14

Hello Codeforces!

Now the winter SIS (Summer Informatics School) is taking place, and parallel A+A0 and its teachers have prepared a complete Codeforces Round. You can check previous rounds, prepared by SIS students: Codeforces Round #612, Codeforces Round #530.

Codeforces Round #694 begins on Jan/05/2021 17:35 (Moscow time). In both redactions, there will be $$$6$$$ problems for $$$2$$$ hours. The round is rated for both divisions.

Problems are authored and prepared by AliceG, Pakhomovee, MadProgrammer, ArtNext, fastmath, IgorI, Kapt, KhB, Hello_zoka, Karabutsa, Arbuzniy_kekich, Mangooste, pelmenner, Allvik06 under the guidance of meshanya, cdkrot, kokokostya, kraborak, scanhex.

We would like to thank:

We recommend you to read the statements of all problems. Scoring will be announced later.

Good luck!

Scoring distribution is: $$$500 - 750 - 1000 - 1500 - 2000 - 2500$$$ in both divisions.

Editorial

System testing is over. Thank you for participating! We hope that you liked our problems!

Congratulations to the winners:

  1. tourist

  2. Petr

  3. jiangly

  4. Radewoosh

  5. ecnerwala

  6. Maksim1744

  7. lumibons

  8. Endagorion

  9. ainta

  10. DmitryGrigorev

  11. neal

All of them have solved problem E (with neal being the first). Problem F was quite challenging and no one have solved it during the contest.

Tags codeforces round #694, codeforces round, sis

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
ru12 Russian IgorI 2021-01-05 22:45:01 636 Мелкая правка: 'задачу E ([user:neal' -> 'задачу E (а [user:neal'
en10 English IgorI 2021-01-05 22:41:14 655 Tiny change: 'icipating!\n\nCongr' -> 'icipating! We hope that you liked our problems!\n\nCongr'
ru11 Russian IgorI 2021-01-05 19:45:14 53 Мелкая правка: 'ивизионах.' -> 'ивизионах.\n\n[Разбор](https://codeforces.com/blog/entry/86464)'
en9 English IgorI 2021-01-05 19:38:43 56 Tiny change: 'divisions.' -> 'divisions.\n\n[Editorial](https://codeforces.com/blog/entry/86464)'
ru10 Russian IgorI 2021-01-05 17:12:34 81
en8 English IgorI 2021-01-05 17:11:19 87
en7 English IgorI 2021-01-04 20:31:40 132 Tiny change: '1) begins [contest_' -> '1) begins on [contest_'
ru9 Russian IgorI 2021-01-04 20:29:09 129 Мелкая правка: ' начнётся [contest_' -> ' начнётся во [contest_'
ru8 Russian IgorI 2021-01-04 18:07:50 28 Мелкая правка: '019-10-13] под руко' -> '019-10-13], [user:Allvik06,2020-04-08] под руко'
en6 English IgorI 2021-01-04 18:07:06 28 Tiny change: '019-10-13] under th' -> '019-10-13], [user:Allvik06,2020-04-08] under th'
en5 English IgorI 2021-01-04 18:02:13 130
ru7 Russian IgorI 2021-01-04 18:01:40 146
en4 English IgorI 2021-01-04 17:53:53 4 Tiny change: 'Hello, Codeforce' -> 'Hello Codeforce'
ru6 Russian IgorI 2021-01-04 17:53:09 4 Мелкая правка: 'Hello, Codeforce' -> 'Hello Codeforce'
ru5 Russian IgorI 2021-01-04 17:51:52 214
ru4 Russian IgorI 2021-01-04 17:48:25 0 (опубликовано)
en3 English IgorI 2021-01-04 17:46:25 0 (published)
ru3 Russian IgorI 2021-01-04 17:42:39 223
en2 English IgorI 2021-01-04 17:41:59 212 Tiny change: 'd], [user:Id_minh4354' -> 'd], [user:ld_minh4354'
ru2 Russian IgorI 2021-01-04 16:31:48 117
en1 English IgorI 2021-01-04 16:30:52 1468 Initial revision for English translation (saved to drafts)
ru1 Russian IgorI 2021-01-04 15:58:20 1285 Первая редакция (сохранено в черновиках)