October Cook-Off 2013
Polo the Penguin and the Test
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
August Challenge 2015
Gravity Guy, Cooking Machine
September Challenge 2015
Chain of Doughnuts, Lighthouses, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
May Challenge 2016
Chef and Balls, Laddu, Forest Gathering
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris
August Challenge 2016
Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and digits of a number, Chef and calculation, Faded Palindromes
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
May Challenge 2017
Courses in an university, Median of adjacent maximum numbers
India