January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
September Challenge 2020 Division 2
Find XOR, Ada Matrix, A Problem on Sticks, Chefina and Swap
October Challenge 2020 Division 2
Positive AND, Covid Run, Chef and Easy Queries
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Encoded String
February Challenge 2021 Division 3
Team Name, Chef and Meetings, Maximise Function, Highest Divisor
India