March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
July Challenge 2015
Bread, Na2a and lucky stone
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Cracking the Code
October Challenge 2015
Spheres, Who dares to be a millionaire, Time measure, Count Subarrays
February Challenge 2016
Chef and Strange Operations, Chef-Detective
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
March Cook-Off 2016
Digital clock, Alternating subarray prefix
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
India