Hello everybody!
I'm glad to invite you to Codeforces Round #511 which will take place on Sep/21/2018 17:35 (Moscow time).
There will be 7 different problems in total, and 5 problems in each division. You will be given 2 hours to solve them.
The problems are prepared by me (ditoly), FallDream and ACMLCZH.
Thanks to 300iq who helps a lot in the round coordination, vintage_Vlad_Makeev, V--o_o--V, demon1999, isaf27, cyand1317 for problem testing and MikeMirzayanov for the platform.
This is my first Codeforces round. Hope you can enjoy it. Good luck!
UPD: The scoring contribution:
Div.1 : 750 — 1000 — 1500 — 2000 — 2500
Div.2 : 500 — 1000 — 1750 — 2000 — 2500
UPD2: Congratulations to the winners!
Div. 1 :
Div. 2 :
UPD3: The editorial is published. There are many things about problem-setting in it. Do not miss it.