June Challenge 2015
Sereja and Matrix Division, Chef and Memory Limit
July Challenge 2015
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, Bank robbery
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres
September Mega Cook-Off 2015
Stacks, Forgotten Language
January Long Challenge 2016
Rupsa and the Game, Chef and Making Triples, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Rectangles of Love, Chef-Detective, Devu and a light discussion, Chef and Strange Operations, Sereja and Two Lines
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
January Challenge 2017
Capital Movement, Cats and Dogs
India