Codeforces Round #843 (Div. 2)

Правка en12, от Wind_Eagle, 2023-01-12 01:25:00

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

UPD3: Finally, here is the editorial: press here

Теги belarusian, olympiad, codeforces, round

История

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