December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Appy and Contest, Chef and Magical Jars
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
June Cook-Off 2019 Division 2
Eat Twice, Multiple Choice Exam
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
April Challenge 2020 Division 2
Strange Number, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Squared Subsequences
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
India