September Challenge 2015
Count Steps in Matrix, Chain of Doughnuts
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
December Challenge 2015
Chef and the stones, Plane Division
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Chef and Time Machine
May Challenge 2017
Median of adjacent maximum numbers, Blocked websites, Courses in an university, Chef and his daily routine, Chef and Sub Array
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
