September Challenge 2013
Chef and Integers , Cool Guys, CAO Stage-2, CAO Stage-1, Project Spoon
October Challenge 2013
Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Edit Distance on Grid
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
February Challenge 2016
Chef-Detective, Chef and Strange Operations, Chef and Job and Rest, Devu and a light discussion
March Challenge 2016
Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
June Challenge 2018 Division 2
Vision, Binary Shuffle, Naive Chef
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
India