July Challenge 2015
Na2a and lucky stone, Bread, Chef and Cube
August Challenge 2015
Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Filling the maze, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Who dares to be a millionaire, Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure
December Challenge 2015
Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Tanks
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Forgotten Language, Stacks
October Cook-Off 2015
Almost Sorted Permutation
August Lunchtime 2015
Churu and lost string, Minimum Maximum
September Lunchtime 2015
Sum of palindromic numbers
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Chef-Detective
April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef And Magical Path, Chef and Ballons
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
India