February Challenge 2015
Chef and Equality, Chef and Chain
March Challenge 2015
Sign Wave, Chef and Notebooks
April Challenge 2015
Chef and Interview, Broken Telephone
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Cracking the Code, Count Steps in Matrix, Chain of Doughnuts
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
August Cook-Off 2015
Chef and the Wildcard Matching, Chef and the XORed Number
February Challenge 2016
Chef and Strange Operations, Devu and a light discussion, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Devu and an Array, Chef and Coins Game, Chef And Binary Operation, Chef and Array and K
August Challenge 2016
Chef and Chocolate, Chef and Round Run
March Cook-Off 2016
Digital clock, Alternating subarray prefix
India