January Challenge 2019 Division 2
Fancy Quotes, Lucky Number Game
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef, Chef and Magical Jars
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
May Challenge 2019 Division 2
Matches, Where to Build the Roads, Reduce to One
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
October Challenge 2019 Division 2
Phone Prices, Operations on a Matrix
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
That Is My Score!, Addition, Easy Subsequence Selection, Binary XOR, Plus Multiply, Chefina and Ranges
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm, Guess the number
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
India