July Challenge 2015
Na2a and lucky stone, Bread, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Chef And Coloring, Chef and Ballons, Help Watson Escape, Chef And Magical Path
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
February Challenge 2017
Most Frequent Element, Gerrymander, Chef and His Apartment Dues, Chef and Triangles
July Cook-Off 2018 Division 2
Encoding Message, OR Matrix
August Cook-Off 2018 Division 2
GukiZ and Candies, Mixi Game, Balsa For The Three
October Mega Cook-Off 2018 Division 1
Binary Nim 2, Pumping Water
August Lunchtime 2018 Division 1
Chef and Eid, Mix Mix Game
India