Codeforces Round 1075 (Div. 2)

Revision en14, by yanb0, 2026-01-23 18:14:42

Hello, Codeforces!

We are excited and pleased to announce that Codeforces Round 1075 (Div. 2) will be held on 23.01.2026 17:35 (Московское время). This round will be rated for all participants with rating below $$$2100$$$. You will be given $$$2$$$ hours to solve $$$6$$$ problems and some problems will be divided into subtasks.

The round is based on the Sharygin International Geometry Olympiad All problems were authored and prepared by yanb0, furt1ve and me.

We would like to express our special thanks to:

The score distribution is below.

$$$500-1000-(1250+750)-(2000+750)-2500-3250$$$

GLHF!

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
ru12 Russian Fakewave 2026-01-24 09:55:04 1663
en18 English Fakewave 2026-01-23 22:46:51 1671
ru11 Russian Akulyat 2026-01-23 22:25:01 80
en17 English Akulyat 2026-01-23 22:24:14 74
en16 English Akulyat 2026-01-23 19:42:39 1 Tiny change: 'ed shortly\n' -> 'ed shortly.\n'
ru10 Russian Akulyat 2026-01-23 19:42:28 81
en15 English Akulyat 2026-01-23 19:40:16 96
en14 English yanb0 2026-01-23 18:14:42 5 Tiny change: '.\n\n$500-750-(1250+75' -> '.\n\n$500-1000-(1250+75'
ru9 Russian yanb0 2026-01-23 18:14:27 5 Мелкая правка: ':\n\n$500-750-(1250+75' -> ':\n\n$500-1000-(1250+75'
ru8 Russian yanb0 2026-01-23 18:12:42 4 Мелкая правка: '500-750-(1000+750)-(20' -> '500-750-(1250+750)-(20'
en13 English yanb0 2026-01-23 18:12:28 4 Tiny change: '500-750-(1000+750)-(20' -> '500-750-(1250+750)-(20'
ru7 Russian yanb0 2026-01-23 16:26:39 72
en12 English yanb0 2026-01-23 16:25:50 66 Tiny change: '750)-(2000-750)-2500-' -> '750)-(2000+750)-2500-'
ru6 Russian Fakewave 2026-01-21 06:49:43 0 (опубликовано)
en11 English Fakewave 2026-01-21 06:48:54 0 (published)
ru5 Russian Fakewave 2026-01-21 06:40:59 67
en10 English Fakewave 2026-01-21 06:39:16 72
en9 English yanb0 2026-01-20 21:14:09 438
ru4 Russian yanb0 2026-01-20 21:13:54 428
en8 English yanb0 2026-01-20 20:56:49 26 Tiny change: '], [user: ' -> '], [user: bibiq,2026-01-20], [user: '
ru3 Russian Fakewave 2026-01-20 20:19:25 2 Мелкая правка: '] пройдет [contest_' -> '] пройдет в [contest_'
ru2 Russian Fakewave 2026-01-20 20:18:33 23
ru1 Russian Fakewave 2026-01-20 20:16:23 2049 Первая редакция перевода на Русский (сохранено в черновиках)
en7 English Fakewave 2026-01-20 19:50:22 9 Tiny change: '### Privet, Codeforc' -> '### Hello, Codeforc'
en6 English Fakewave 2026-01-20 19:50:06 9 Tiny change: '### Hello, Codeforc' -> '### Privet, Codeforc'
en5 English Fakewave 2026-01-20 19:24:49 83 Tiny change: ' Olympiad<\strike> Al' -> ' Olympiad</strike> Al'
en4 English Fakewave 2026-01-20 19:18:30 3 Tiny change: 'uthored ans prepared ' -> 'uthored and prepared '
en3 English Fakewave 2026-01-20 18:55:17 12 Tiny change: ' problems authored were prepared ' -> ' problems were authored ans prepared '
en2 English Fakewave 2026-01-20 18:49:33 780 Tiny change: 'ces!\n\n![ ](/predown' -> 'ces!\n\n![scale = 0.5](/predown'
en1 English Fakewave 2026-01-20 18:10:11 1791 Initial revision (saved to drafts)