[AtCoder] B - Plus and ANDRead more
[AtCoder] D - I Hate Non-integer NumberRead more
[AtCoder] D - Left Right OperationRead more
[AtCoder] D - Flipping and BonusRead more
[Codeforces] Round #561 (Div. 2) C. A Tale of Two LandsRead more
[Codeforces] Educational Round 65 (Rated for Div. 2) D. Bicolored RBSRead more
[Codeforces] Educational Round 134 (Rated for Div. 2) C. Min-Max Array TransformationRead more
[Codeforces] Round #814 (Div. 2) C. Fighting TournamentRead more
[Codeforces] Round #817 (Div. 4) G. Even-Odd XORRead more
[AtCoder] E - WarpRead more