April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Sell All the Cars
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
July Challenge 2021 Division 3 (Rated)
Maximum Production, Relativity
India