June Challenge 2019 Division 2
Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD, Road Signs
June Cook-Off 2019 Division 2
Multiple Choice Exam, Ants and Anteaters, Eat Twice, Drink Slush
October Challenge 2019 Division 1
Chef and Maximum Star Value, Array Modification, Even Edges
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise
March Lunchtime 2020 Division 1 (Unrated)
Maximize LCM, Strip in a Tree!
India