March Challenge 2016
maximize the sum, Palindromic substrings
April Challenge 2016
Chef and Ballons, Chef And Coloring
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Chefland and Electricity, Chef and Tetris, Andrash and Stipendium
August Challenge 2016
Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
India