[Hacker Cup 2022 Round 1] Problem B1: Watering Well - Chapter 1Read more
[Hacker Cup 2022 Round 1] Problem A2: Consecutive Cuts - Chapter 2Read more
[Hacker Cup 2022 Round 1] Problem A1: Consecutive Cuts - Chapter 1Read more
[AtCoder] D - Multiply and RotateRead more
[AtCoder] E - Rook PathRead more
[AtCoder] E - MST + 1Read more
[AtCoder] F - Jealous TwoRead more
[AtCoder] F - ReorderingRead more
[Codeforces] Round #496 (Div. 3) D. Polycarp and Div 3Read more
[Codeforces] Round #499 (Div. 1) A. FlyRead more