Codeforces Round #843 (Div. 2)

Revision en10, by Wind_Eagle, 2023-01-10 17:47:20

38-20230104210158

Hello, Codeforces!

I am very glad to invite you to the Codeforces Round #843 (Div. 2), which will take place in Jan/10/2023 14:15 (Moscow time). This round will be rated for the participants with rating lower than 2100.

My sincere thanks to:

You will have 2 hours and 30 minutes for solving 6 tasks, one of which will be divided into easy and hard verions. The round is based on the problems from the first day of Belarusian Regional olympiad. We kindly ask all Belarusian pupils who participated in this olympiad, to refrain from taking part in this round and discussing the problems publicly before the round ends.

I hope you will enjoy the round!

Round testers (not complete list): MathBoy, FairyWinx, nnv-nick, K1ppy, olya.masaeva, Septimelon, PavelKorchagin, 4qqqq, kova1.

Score distribution: (500+1000)-1000-1500-2000-2000-2500.

UPD. Score distribution was changed: (500+500)-1000-1500-2000-2250-3000.

UPD2: Congratulations to the winners!

Победители

Vote for your favourite task!

Task А: Gardener and the Capybaras

Task B: Gardener and the Array

Task C: Interesting Sequence

Task D: Friendly Spiders

Task E: The Human Equation

Task F: Laboratory on Pluto

Tags belarusian, olympiad, codeforces, round

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en12 English Wind_Eagle 2023-01-12 01:25:00 2 Tiny change: 'ial:</b> [oress here]' -> 'ial:</b> [press here]'
en11 English Wind_Eagle 2023-01-12 01:24:35 103
ru19 Russian Wind_Eagle 2023-01-12 01:24:08 94
en10 English Wind_Eagle 2023-01-10 17:47:20 333
ru18 Russian Wind_Eagle 2023-01-10 17:45:33 0 (опубликовано)
ru17 Russian Wind_Eagle 2023-01-10 17:44:33 336 (сохранено в черновиках)
en9 English Wind_Eagle 2023-01-10 17:40:41 760
ru16 Russian Wind_Eagle 2023-01-10 17:38:52 795 Мелкая правка: 'то: [user:iuhengxi,2' -> 'то: [user:liuhengxi,2'
en8 English Wind_Eagle 2023-01-09 00:36:40 25 Tiny change: '023-01-08]' -> '023-01-08], [user:kova1,2023-01-08]'
ru15 Russian Wind_Eagle 2023-01-09 00:36:29 25 Мелкая правка: '023-01-08]' -> '023-01-08], [user:kova1,2023-01-08]'
en7 English Wind_Eagle 2023-01-09 00:32:42 97
ru14 Russian Wind_Eagle 2023-01-09 00:32:18 92 Мелкая правка: '></s>.\n\nUPD. Разбаллов' -> '></s>.\n\n<b>UPD.</b> Разбаллов'
ru13 Russian Wind_Eagle 2023-01-08 22:14:07 25 Мелкая правка: '023-01-08]' -> '023-01-08], [user:4qqqq,2023-01-08]'
en6 English Wind_Eagle 2023-01-08 22:13:50 216
ru12 Russian Wind_Eagle 2023-01-08 22:12:44 196
ru11 Russian Wind_Eagle 2023-01-08 19:57:55 35 Мелкая правка: '023-01-08]' -> '023-01-08], [user: PavelKorchagin,2023-01-08]'
en5 English Wind_Eagle 2023-01-08 19:57:42 35 Tiny change: '023-01-08]' -> '023-01-08], [user: PavelKorchagin,2023-01-08]'
en4 English Wind_Eagle 2023-01-08 19:53:49 30 Tiny change: '023-01-08]' -> '023-01-08], [user:Septimelon,2023-01-08]'
ru10 Russian Wind_Eagle 2023-01-08 19:53:38 30 Мелкая правка: '023-01-08]' -> '023-01-08], [user:Septimelon,2023-01-08]'
en3 English Wind_Eagle 2023-01-08 19:36:12 0 (published)
ru9 Russian Wind_Eagle 2023-01-08 19:35:18 0 (опубликовано)
ru8 Russian Wind_Eagle 2023-01-08 19:22:06 3 Мелкая правка: 'on.\n\n- Вы, за то, ч' -> 'on.\n\n- Вам, за то, ч'
en2 English Wind_Eagle 2023-01-08 19:17:41 99
ru7 Russian Wind_Eagle 2023-01-08 19:16:22 85
en1 English Wind_Eagle 2023-01-08 19:11:13 1658 Initial revision for English translation (saved to drafts)
ru6 Russian Wind_Eagle 2023-01-08 19:05:57 8 Мелкая правка: 't_time:1783]. <b>Этот' -> 't_time:1782]. <b>Этот'
ru5 Russian Wind_Eagle 2023-01-08 19:04:32 16 Мелкая правка: 'est_time:1562]. <b>Этот' -> 'est_time:1784]. <b>Этот'
ru4 Russian Wind_Eagle 2023-01-08 19:01:57 206
ru3 Russian Wind_Eagle 2023-01-08 18:59:58 12 Мелкая правка: '/i.ibb.co/1X3kBGk/obama-nag' -> '/i.ibb.co/R61qtTq/obama-nag'
ru2 Russian Wind_Eagle 2023-01-08 18:58:03 464
ru1 Russian Wind_Eagle 2023-01-08 18:53:10 1794 Первая редакция (сохранено в черновиках)