[AtCoder] E - Takahashi`s AnguishRead more
[AtCoder] D - Union of IntervalRead more
[AtCoder] E - Graph DestructionRead more
[AtCoder] D - Longest XRead more
[AtCoder] B - Colorful LinesRead more
[Codeforces] Global Round 6 C. Diverse MatrixRead more
[Codeforces] Good Bye 2019 C. Make GoodRead more
[Codeforces] Round #606 (Div. 1, based on Technocup 2020 Elimination Round 4) A. As Simple as One and TwoRead more
[Codeforces] Educational Round 79 (Rated for Div. 2) C. Stack of PresentsRead more
[Codeforces] Round #610 (Div. 2) B1. K for the Price of One (Easy Version)Read more