September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
February Challenge 2017
Chef and His Apartment Dues
June Cook-Off 2018 Division 2
Archi and Comparsion, Good Permutations
June Lunchtime 2018 Division 2
Summary Power, Counting Pretty Numbers
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
India