September Mega Cook-Off 2018 Division 2
Make a Permutation, ATM Machine
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
November Challenge 2018 Division 2
Chef and Difficult Contests
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Eid, Chef and Problem Setting
September Lunchtime 2018 Division 2
Judging Delay, Opposite Cites
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Deputy Chef, Art of Balance, Appy and Contest, Chef and Magical Jars, Manhattan Rectangle, Chef and Secret Ingredients
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
February Challenge 2020 Division 1
Long Contest and Cook Off Overlaps, No Change Required
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Leaked Answers (Challenge)
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
India