February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef, Chef and Magical Jars
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 2
Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
October Lunchtime 2019 Division 2
Khaled in HIT, Box Game, Counting Inversions Revisited
November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, From Zero to Infinity, A Simple Game, Weapon Value, Chef and Minimum Colouring
January Challenge 2020 Division 1
Chef and Dynamo, English, Doraemon, Chefina and Prefix Suffix Sums
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Leaked Answers (Challenge)
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Chef and Bitwise Product, (Challenge) Nanobots, Isolation Centers
March Cook-Off 2020 Division 2
Box of Chocolates, Find Your Gift, Mysterious Sequence
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
D'Code Division 2 (Rated)
Full Barrier Alchemist, The Promised Land
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix
India