[Codeforces] Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) C. Subsequence CountingRead more
[Codeforces] Round #479 (Div. 3) F. Consecutive SubsequenceRead more
[Codeforces] Round #481 (Div. 3) G. Petya`s ExamsRead more
[Codeforces] Round #480 (Div. 2) C. PosterizedRead more
[Codeforces] Round #483 (Div. 1) [Thanks, Botan Investments and Victor Shaburov!] A. Finite or not?Read more
[Codewars] Bird MountainRead more
[CS Academy] DominoesRead more
[CS Academy] One LetterRead more
[CS Academy] Strange DistanceRead more
[CS Academy] Partial Ladder GraphRead more