Tomorrow will take place All-Russian olympiad for students of 5-8 grades, in the name of Keldysh. Good luck to all the participants! Olympiad is conducted under the guidance of the Moscow Olympiad Scientific Committee, in particular GlebsHP, ch_egor, Endagorion, gritukan, Zlobober, _meshanya_, _kun_ and, of course, Helen Andreeva.
We are happy to announce the codeforces round based on the problems of this olympiad! It will be a Div. 2 round, which will take place at Jun/16/2019 12:35 (Moscow time). You might have already participated in rounds based on the school olympiads, prepared by Moscow Olympiad Scientific Committee (rounds 327, 342, 345, 376, 401, 433, 441, 466, 469, 507, 516, 541, 545)
Also I would like to thank the Tinkoff company and personally Tatyana Kolinkova for organizing the onsite competition.
upd. Congratulations to winners!
unofficial Div. 1:
The editorial will be published soon.
upd. the editorial was published.