February Challenge 2016
Devu and a light discussion, Rectangles of Love, Chef-Detective, Chef and Strange Operations
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Devu and good strings, Chef And Coloring, Chef And Magical Path, Chef and Ballons, Help Watson Escape
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
August Challenge 2016
Chef and Circle Run, Chef and Round Run, Chef and Chocolate
March Cook-Off 2016
Digital clock, Alternating subarray prefix
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
India