February Challenge 2017
Chef and His Apartment Dues
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Maximum Remaining, Fencing, Friend or Girlfriend
December Challenge 2019 Division 2
Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
India