October Challenge 2019 Division 2
Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Doraemon, Breaking Bricks, Equality, Chef and Dynamo
March Challenge 2020 Division 2
XOR Engine, Pintu and Fruits
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and String, Chef and Price Control
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
India