1839C - Insert Zero and Invert Prefix
1839C - Insert Zero and Invert Prefix
Hello, Codeforces!
I invite you to participate in Codeforces Round 876 (Div. 2), which will be held on Jun/03/2023 17:35 (Moscow time).
The round will be rated for participants with rating lower than 2100. Participants with higher rating can participate in round unofficially.
You will be given 5 problems and 2 hours to solve them. I recommend you to read all problems. One of the problems will be interactive, so please read guide for interactive problems before the contest.
All problems are authored by me.
I would like to thank:
Score distribution: 500 — 1000 — 1500 — 2250 — 2750.
Good luck to all participants!
Editorial has been published.
Winners:
Unofficial winners:
First-to-solve: