April Challenge 2015
Chef and Interview, Chef and Piano Scales, Broken Telephone
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Bank robbery, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
December Challenge 2015
Chef and the stones, Oracle Devu and Longest Common Subsequence
April Cook-Off 2015
Version Control System, Equality
August Cook-Off 2015
Chef and the Wildcard Matching
January Long Challenge 2016
Chef and Time Machine, Devu and Perfume
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Chef And Coloring, Chef And Magical Path, Chef and Ballons, Help Watson Escape
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
India