December Challenge 2018 Division 2
Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Chef and Meatballs
November Challenge 2018 Division 2
Chef and Difficult Contests
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
February Challenge 2019 Division 2
Manhattan Rectangle, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right
March Challenge 2019 Division 1
Cheating on Queue, Yet Again a Subarray Problem, (Challenge) Interleaving Strings
June Challenge 2019 Division 1
Sum and GCD, Chef and Ingredients, Road Signs, Guddu on a Date
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression
September Challenge 2019 Division 1
Chef and Good Subsequences, Chef Designed a Network, Chef and Interesting Subsequences
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match, Find the Sum
October Challenge 2019 Division 2
Chef and Maximum Star Value, Phone Prices, Operations on a Matrix, Array Modification, Missing Number, Even Edges
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR, Sticky Notes, Addition
February Challenge 2021 Division 1
Team Name, Prime Game, XOR Sums
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