August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick, Way Out
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
August Challenge 2020 Division 2
Chef and Linear Chess, Another Card Game Problem, Chef Wars - Return of the Jedi
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
May Challenge 2021 Division 3 (Rated)
Xor Equality, Golf, Solubility
India