February Challenge 2019 Division 2
Chef and Secret Ingredients, Chef and Magical Jars, Deputy Chef, Appy and Contest
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Challenge 2019 Division 2
Chef got Recipes, Cheating on Queue, Chef and Number Game, Chef and a Beautiful Digit
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Football, Zombie and the Caves, Distribute Apples, Dilemma, Guddu and his Mother
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network, Chef and Interesting Subsequences
October Challenge 2019 Division 1
Array Modification, Even Edges, Chef and Maximum Star Value
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR, Addition
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums
February Challenge 2020 Division 1
(Challenge) Raisins, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, The Theatre Problem, No Change Required, Chef and Railway Stations
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)
Biteration #2 (Rated for Division 2)
A - Books, B - Candy Love, C - Chef and Maths
ENIGMA - PLINTH'20 LNMIIT (Rated for all)
Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers
India