July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle
September Lunchtime 2015
Sum of palindromic numbers
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
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
India