August Challenge 2015
Aditi and Magic Trick, Cooking Machine
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
August Cook-Off 2015
Chef and the Wildcard Matching
February Challenge 2016
Chef and Strange Operations, Devu and a light discussion, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum
May Challenge 2016
Chef and Balls, Laddu, Chef and Big Soccer, Forest Gathering
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
India