September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci
October Challenge 2019 Division 2
Even Edges, Missing Number, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Breaking Bricks, Equality, Chef and Dynamo, Doraemon
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Covid Sampling (Challenge), Chef and Icecream, The Tom and Jerry Game!
September Challenge 2020 Division 2
Chef and Trump Cards, Find XOR
India