December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices, Array Modification, Chef and Maximum Star Value
April Challenge 2020 Division 2
Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
July Challenge 2020 Division 2
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
October Challenge 2020 Division 2
Replace for X, Covid Run, Chef and Easy Queries
India