Codeforces Round #449

Revision en28, by ODT, 2017-12-03 05:01:49

Hello, Codeforces!

We are glad to invite you to participate in Codeforces Round #449 (both Div. 1 and Div. 2) which will be held on December 2, 17:05 MSK.

There are seven problems, created by webmaster, ODT, dogther.

This round is about the happiest girl in the world — Chtholly Nota Seniorious~!

You will help Chtholly, Nephren, Ithea and Willem (characters in the great novel and anime "What Do You Do at the End of the World? Are You Busy? Will You Save Us?") to solve some problems.

(Image by gin_sei56(・.8・) on pixiv)

This round is our first round on Codeforces.

Thanks to zcyskyaa for helping us, Arpa, cyand1317 and Tommyr7 for testing the round, vintage_Vlad_Makeev and KAN for round coordination and MikeMirzayanov for Codeforces and Polygon platforms.

This round has 5 problems in each division and you have 2 hours to solve them.

The scoring will be announced shortly before the start of the contest.

The contest is rated for both Div. 1 and Div. 2 contestants.

It's recommended for both divisions to read through the Interactive Problems Guide before the round.

Wish everyone high rating and accepted submissions!

Upd: Scoring is 500-1000-1500-2000-2500

Upd2: Congratulatations to the winners:

Div 1:

  1. MrDindows \2. bmerry \3. krismaz \4. Shik \5. ainta

Div 2:

  1. blatuitorulmlc
  2. lumibons
  3. Starlit
  4. Grevozin
  5. lyoz

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en33 English ODT 2017-12-03 12:27:33 61
en32 English ODT 2017-12-03 05:27:50 2 Tiny change: 'ongratulatations to ' -> 'ongratulations to '
en31 English ODT 2017-12-03 05:05:26 0 (published)
en30 English ODT 2017-12-03 05:04:19 20
en29 English ODT 2017-12-03 05:02:50 62
en28 English ODT 2017-12-03 05:01:49 12
en27 English ODT 2017-12-03 05:00:27 365 (saved to drafts)
en26 English ODT 2017-12-02 15:58:17 49 Tiny change: 'bmissions!' -> 'bmissions!\n\nUpd: Scoring is **500-1000-1500-2000-2500**\n'
en25 English ODT 2017-12-01 18:31:41 24 Tiny change: 'us, [user:cy' -> 'us, [user:Arpa,2017-12-01], [user:cy'
en24 English ODT 2017-12-01 15:06:43 39
en23 English ODT 2017-12-01 15:05:40 26
en22 English ODT 2017-12-01 14:49:47 128 (published)
en21 English ODT 2017-12-01 14:48:49 146 (saved to drafts)
en20 English ODT 2017-12-01 13:51:45 0 (published)
en19 English ODT 2017-12-01 13:38:04 6
en18 English ODT 2017-12-01 13:36:17 156
en17 English ODT 2017-12-01 13:35:21 5 Reverted to en15
en16 English ODT 2017-12-01 13:33:30 5 Tiny change: 'om/ff0956/点5.png\n\n([' -> 'om/ff0956/pic.png\n\n(['
en15 English ODT 2017-12-01 13:32:07 70
en14 English ODT 2017-12-01 13:31:06 0 Reverted to en10
en13 English ODT 2017-12-01 13:30:31 115 Reverted to en10
en12 English ODT 2017-12-01 13:30:06 2 Tiny change: '_p0.jpg)\n([Image]' -> '_p0.jpg)\n\n([Image]'
en11 English ODT 2017-12-01 13:29:36 117 Reverted to en8
en10 English ODT 2017-12-01 13:28:53 115
en9 English ODT 2017-12-01 13:26:45 2 Tiny change: '_p0.jpg)\n([Image]' -> '_p0.jpg)\n\n([Image]'
en8 English ODT 2017-12-01 13:24:46 96
en7 English ODT 2017-12-01 13:23:56 4 Tiny change: ':ODT,2017-12-01], [use' -> ':ODT,2017-04-01], [use'
en6 English ODT 2017-12-01 13:20:46 5
en5 English ODT 2017-12-01 13:13:34 2 Tiny change: 'eforces.\nThanks t' -> 'eforces.\n\nThanks t'
en4 English ODT 2017-12-01 13:13:12 4
en3 English ODT 2017-12-01 13:12:26 30
en2 English ODT 2017-12-01 13:09:46 16
en1 English ODT 2017-12-01 13:09:16 1335 Initial revision (saved to drafts)