September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences , Chef and Good Subsequences
October Challenge 2019 Division 2
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
March Challenge 2020 Division 2
Pintu and Fruits, Ada Bishop 2, XOR Engine
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Cook-Off 2020 Division 2
Chef and Recipe, Impressing Chefina, Chef, Chefina and Their Friendship
India