February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Fencing, Friend or Girlfriend, Maximum Remaining
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
October Challenge 2019 Division 2
Chef and Maximum Star Value, Phone Prices, Operations on a Matrix, Array Modification, Missing Number, Even Edges
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
February Challenge 2020 Division 2
School of Geometry, Hard Cash
India