October Challenge 2015
Who dares to be a millionaire
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef and Array and K, Devu and an Array, Chef and Coins Game, Chef And Binary Operation, Chef And The Hiring Event
September Challenge 2016
Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation
July Cook-Off 2016
Chef and Numbers, Chef and Proportion
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Chef and His Apartment Dues, Gerrymander
March Cook-Off 2017
Rainbow Graph, Safe Robot
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
India