August Challenge 2019 Division 2
Dilemma, Distribute Apples, Football
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers
June Challenge 2020 Division 2
Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 2
Ada King, Missing a Point, 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
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
January Challenge 2021 Division 3
Chef and Division 3, Encoded String, Point Of Impact, Fair Elections
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Chef and Groups, No Time to Wait
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
India