Hello everyone!
This Sunday July 2, 19:05 MSK rated Codeforces Round #422 (Div. 2) will be held.
This time I'm the only one author in contradistinction to the Round 415. Many thanks to coordinator Alex netman Vistyazh for help in preparations of the round, Vladislav winger Isenbaev, Alex AlexFetisov Fetisov, Nikolay KAN Kalinin and Ildar 300iq Gainullin for testing the problems and also to Mike MikeMirzayanov Mirzayanov for Codeforces and Polygon platforms.
As in the Round 415, the main characters of the tasks will be the stunning girl Noora and hacker Leha.
Participants will be given six problems and two hours to solve them. As always, participants from the first division can take part out of competition. Scoring will be announced before the round.
I hope you'll enjoy my round. I wish everyone good luck and high rating!
UPD1: Note that the number of tasks which would be proposed for the solution has been changed.
UPD2: The scoring for this round is: 500 — 750 — 1250 — 1750 — 2250 — 2500.
UPD3: Congratulations to the winners! Editorial will be posted soon.
Div. 2:
Div. 1:
Special congratulations to natsugiri, who is the only one among all the participants who coped with all six tasks!
UPD4: Editorial.