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: