March Challenge 2016
maximize the sum, Palindromic substrings
June Challenge 2016
Chef And The Hiring Event, Devu and an Array
August Challenge 2016
Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String
December Challenge 2016
Our Base is Under Attack, Train Partner
May Challenge 2017
Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship
June Challenge 2017
A Good Set, Xenny and Coin Rankings, Triplets, Pairwise union of sets
India