December Challenge 2018 Division 2
(Challenge) Delete DAG, Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Different Neighbours, Yet Another Problem About Sequences, Lucky Number Game
February Challenge 2019 Division 2
Art of Balance, Deputy Chef, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right, Manhattan Rectangle
March Challenge 2019 Division 1
Yet Again a Subarray Problem, (Challenge) Interleaving Strings
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
