Codeforces Round 1130 (Div. 2)
Difference between en24 and en25, changed 0 character(s)
# Hello, Codeforces!↵
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We are very excited to invite you to participate in Codeforces Round 1130 (Div. 2) which will be held on [contest_time:2272]. You will be given **2** hours and **15** minutes to solve **7** problems. ↵
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The problems were prepared by [user:yvbf,2026-10-14], [user:JerrySyr,2026-10-14], [user:MoScenix,2026-10-14] and me.↵
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As [user:yvbf,2026-10-23] always says, remember to eat well before and after the contest.↵
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We would like to give special thanks to:↵
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- [user:Um_nik,2026-10-14] for the preliminary review of this contest.↵
- [user:cry,2026-10-14] for the brilliant and great coordination.↵
- [user:AksLolCoding,2026-10-14], [user:__baozii__,2026-10-14], [user:-firefly-,2026-10-14] for red testing.↵
- [user:GUAIKATTO,2026-10-14], [user:More,2025-10-14], [user:7_divided_by_3,2026-10-14] for yellow testing.↵
- [user:Edeeva,2026-10-14], [user:WorldWarV,2026-10-14], [user:yinruiyang,2026-10-14] for purple testing.↵
- [user:Misaka16172,2026-10-14], [user:nik_exists,2026-10-14], [user:Yzm007,2026-10-14] for blue testing.↵
- [user:MORNING,2026-10-14] for cyan testing.↵
- [user:MikeMirzayanov,2026-10-14], [user:KAN,2026-10-14] for the great platforms.↵
- [user:Alexdat2000,2026-10-23] for detailed Russian translation.↵
- [user:TianTianChaoFangDe,2026-10-14], [user:tc_adventureking,2026-10-14], [user:MaxBlazeIceInk,2026-10-14] for providing problem ideas ( but declined :-/ ).↵
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The scoring distribution will be added soon.↵
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We are such a group of committed codeforces users. It's our first time to hold a formal round on codeforces, so we also hope you enjoy the problems!↵
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**Good luck and have fun!**↵

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en27 English MaxBlazeIceInk 2026-10-23 03:48:00 0 (published)
en26 English MaxBlazeIceInk 2026-10-23 03:47:43 36 (saved to drafts)
en25 English MaxBlazeIceInk 2026-10-23 03:39:55 0 (published)
en24 English MaxBlazeIceInk 2026-10-23 03:39:01 10 Tiny change: 'll before the conte' -> 'll before and after the conte'
en23 English MaxBlazeIceInk 2026-10-23 03:38:36 83
en22 English MaxBlazeIceInk 2026-10-23 03:34:17 45
en21 English MaxBlazeIceInk 2026-10-23 03:32:42 12 Tiny change: '- [user:Aliexdat2000]' -> '- [user:Alexdat2000]'
en20 English MaxBlazeIceInk 2026-10-23 03:32:29 24 Tiny change: 'forms.\n- placeholder for detai' -> 'forms.\n- [user:Aliexdat2000] for detai'
en19 English MaxBlazeIceInk 2026-10-21 16:02:03 8 Tiny change: 's Round 11** (Div. 2) ' -> 's Round 1130 (Div. 2) '
en18 English MaxBlazeIceInk 2026-10-14 15:09:44 48
en17 English MaxBlazeIceInk 2026-10-14 15:09:25 2 Tiny change: 'r:More,2026-10-14], [' -> 'r:More,2025-10-14], ['
en16 English MaxBlazeIceInk 2026-10-14 14:38:56 18
en15 English MaxBlazeIceInk 2026-10-14 14:12:50 1 Tiny change: 'ined :-/ )\n\nThe sc' -> 'ined :-/ ).\n\nThe sc'
en14 English MaxBlazeIceInk 2026-10-14 14:04:08 29
en13 English MaxBlazeIceInk 2026-10-14 13:50:23 67 Tiny change: '\n- [user:' -> '\n- [user:placeholder] for detailed Russian translation.\n- [user:'
en12 English MaxBlazeIceInk 2026-10-14 13:18:16 177
en11 English MaxBlazeIceInk 2026-10-14 13:16:07 232
en10 English MaxBlazeIceInk 2026-10-14 13:14:28 126
en9 English MaxBlazeIceInk 2026-10-14 13:14:01 362
en8 English MaxBlazeIceInk 2026-10-14 13:12:28 219
en7 English MaxBlazeIceInk 2026-10-14 12:51:48 15
en6 English MaxBlazeIceInk 2026-10-14 12:51:28 17
en5 English MaxBlazeIceInk 2026-10-14 12:50:52 155
en4 English MaxBlazeIceInk 2026-10-14 12:48:10 100
en3 English MaxBlazeIceInk 2026-10-14 12:46:48 76
en2 English MaxBlazeIceInk 2026-10-14 12:44:42 128
en1 English MaxBlazeIceInk 2026-10-14 12:43:21 50 Initial revision (saved to drafts)