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, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Rupsa and Equilateral Triangle, Who dares to be a millionaire, Time measure
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And The Hiring Event, Devu and an Array, Chef and Coins Game, Chef and Array and K, Chef And Binary Operation
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
September Challenge 2016
Chef and digits of a number, Chef and calculation, Faded Palindromes, Dividing Machine
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String
India