June Challenge 2016
Chef And Binary Operation, Chef and Coins Game, Devu and an Array, Chef And The Hiring Event
July Challenge 2016
Andrash and Stipendium, Chef and Robots Competition, Chefland and Electricity
June Lunchtime 2016
Collisions, One more weird game
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
August Challenge 2018 Division 2
Sheokand and Number, Spell Bob, Problem Sort, Modular GCD
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
June Cook-Off 2019 Division 2
Multiple Choice Exam, Ants and Anteaters, Eat Twice
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English
India