January Long Challenge 2016
Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume, Sereja and Salesman
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Chef-Detective
March Challenge 2016
Chef and Number Guessing, Chef And Special Dishes, Parity tree, maximize the sum, Palindromic substrings, Chef And Hungry Birds, Sereja and Two Strings 2
April Challenge 2016
Amazing Experiment, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring
