August Challenge 2015
Cooking Machine, Gravity Guy
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres
August Cook-Off 2015
Chef and the Wildcard Matching
January Long Challenge 2016
Churu and Balls, Chef and Time Machine
March Challenge 2016
maximize the sum, Palindromic substrings
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes
July Challenge 2017
Chef and Sign Sequences, Whats in the Name
India