January Challenge 2019 Division 2
Lucky Number Game, Different Neighbours, A Pizza Slice, Fancy Quotes, Distinct Pairs, Chef and Modulo Game
February Challenge 2019 Division 1
Chef and Secret Ingredients, Deputy Chef, Art of Balance, Appy and Contest, Chef and Magical Jars, Guess It Right, Manhattan Rectangle
July Challenge 2019 Division 1
Minimum and Maximum, Chef and Mean
October Challenge 2019 Division 1
Phone Prices, Operations on a Matrix, Array Modification, Even Edges, Chef and Maximum Star Value
February Challenge 2020 Division 1
School of Geometry, Hard Cash
April Challenge 2020 Division 1
Leaked Answers (Challenge), COVID Pandemic and Long Queue, Sell All the Cars, Unit GCD, Ready Bitwise, Squared Subsequences, Strange Number
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
