Div 2 6
- Codeforces Round 771 (Div. 2) D. Big Brush Feb 14, 2022
- Codeforces Round 771 (Div. 2) C. Inversion Graph Feb 14, 2022
- Codeforces Round 771 (Div. 2) B. Odd Swap Sort Feb 14, 2022
- Codeforces Round 771 (Div. 2) A. Reverse Feb 14, 2022
- Codeforces Round 770 (Div. 2) B. Fortune Telling Feb 7, 2022
- Codeforces Round 770 (Div. 2) A. Reverse and Concatenate Feb 7, 2022