Codeforces Round 1075 (Div. 2)
Difference between en16 and en17, changed 74 character(s)
### Hello, Codeforces!↵
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**<img src="/predownloaded/ad/b2/adb204ca4791dc3deabdfcd7262c867745be499e.jpg" style="width: 200.0px;float: right;margin: 0 1.0em 1.0em 1.0em;max-width: 100.0%;max-height: 100.0%;">**↵
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We are excited and pleased to announce that [contest:2189] will be held on [contest_time:2189]. 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. ↵
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<strike>The round is based on the Sharygin International Geometry Olympiad</strike> All problems were authored and prepared by [user:yanb0,2026-01-20], [user:furt1ve,2026-01-20] and me.↵
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We would like to express our special thanks to:↵
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- [user:Akulyat,2026-01-20] for coordinating the round and assistance in preparing problems;↵
- the testers: [user: Wansur,2026-01-20], [user:__baozii__,2026-01-20], [user: k1r1t0,2026-01-20], [user: Mark_Pr,2026-01-20], [user:_istil,2026-01-20], [user: OG_Matveychick1,2026-01-20], [user: TimDee,2026-01-20], [user: zhenja,2026-01-20], [user: abs0lute,2026-01-20], [user: princeee,2026-01-20], [user: NotDWT,2026-01-20], [user: Sokol080808,2026-01-20], [user: machine_solution,2026-01-20], [user: pobe,2026-01-20], [user: madlogic,2026-01-20], [user: wuhudsm,2026-01-20], [user: pattern-seeker,2026-01-20], [user: dvb1r,2026-01-20], [user: VitaliiV,2026-01-20], [user: penwick,2026-01-20], [user: sanya37y,2026-01-20], [user: itz_pabloo,2026-01-20], [user: Morselllprimo,2026-01-20], [user: AK_15,2026-01-20], [user: Golden_Square,2026-01-20], [user: Norman165,2026-01-20], [user: arsen1y,2026-01-20], [user: graphs_enjoyer,2026-01-20], [user: tih-a,2026-01-20], [user: emirhanbanan,2026-01-20], [user: ak1ko,2026-01-20], [user: s97b,2026-01-20], [user: thereverberation,2026-01-20], [user: bibiq,2026-01-20] for their time and effort in testing the problems;↵
- [user:MikeMirzayanov,2025-12-16] and [user:KAN,2025-12-16] for the great platforms.↵
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The score distribution is below.↵
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$500-1000-(1250+750)-(2000+750)-2500-3250$↵
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**GLHF!**↵
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**UPD1** The round is over, thank you for participation. The editorial will be posted shortly.↵
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**UPD2** [Editorial](https://mirror.codeforces.com/blog/entry/150452)↵
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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)