Codeforces Round #668

Revision en6, by hugopm, 2020-09-09 20:53:51

Hello Codeforces!

We are glad to invite you to Codeforces Round #668 (Div. 1) and Codeforces Round #668 (Div. 2), which will take place on Sep/06/2020 17:35 (Moscow time).

The problems were created by Ari, Kuroni, Maripium, Monogon, antontrygubO_o and hugopm.

We would like to thank:

There will be 5 problems in each division and will be given 2 hours to solve them (or post memes in the comments if you can't solve any).

We tried to make interesting problems, short statements, useful samples and strong pretests, and we hope you will like it.

Scoring will be announced shortly before the round and editorial will be posted shortly after the round (it is already written).

Good luck!

UPD: The number of problems is now 5 in each division.

UPD2: Score distribution:

  • Div.1: 500 — 1000 — 1500 — 2250 — 3000
  • Div.2 : 500 — 1000 — 1750 — 2250 — 3000

UPD3: Editorial is out

UPD4: We are sorry for problem div1E being well-known. No setter or tester have seen this problem. We apologize and hope you still enjoyed the contest.

UPD5: Congratulations to the winners:

Div.1

  1. maroonrk
  2. ainta
  3. ko_osaga
  4. Itst
  5. hos.lyric

Div.2

  1. minhchauxinhdep1234
  2. potato167
  3. guangmutianwang
  4. w_o_kje
  5. veckoper

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en6 English hugopm 2020-09-09 20:53:51 389 Winners
en5 English hugopm 2020-09-06 20:25:54 159
en4 English hugopm 2020-09-06 19:54:13 73 Add editorial
en3 English hugopm 2020-09-06 13:31:07 176 Score distribution
en2 English hugopm 2020-09-06 00:50:08 113
en1 English hugopm 2020-09-04 19:35:06 1861 Initial revision (published)