August Challenge 2015
Aditi and Magic Trick, Cooking Machine
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle
December Challenge 2015
Oracle Devu and Longest Common Subsequence, Plane Division, Chef and the stones
January Long Challenge 2016
Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
March Challenge 2016
Palindromic substrings, Chef And Special Dishes, maximize the sum
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
June Challenge 2016
Chef and Rectangle Array, Devu and an Array, Chef and cities, Chef and Coins Game, Chef And Binary Operation, Chef and Array and K, Chef And The Hiring Event
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
India