August Challenge 2015
Gravity Guy, Way Out, Aditi and Magic Trick, Cooking Machine
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Spheres, Rupsa and Equilateral Triangle, Who dares to be a millionaire, Count Subarrays, Time measure
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls
September Lunchtime 2015
Sum of palindromic numbers
January Long Challenge 2016
Devu and Perfume, Chef and Time Machine, Rupsa and the Game, Churu and Balls
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum
March Challenge 2016
Chef And Special Dishes, maximize the sum, Chef and Number Guessing, Palindromic substrings, Sereja and Two Strings 2
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster
February Cook-Off 2016
Puppy and Catchers, Puppy and Sum
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
India