May Challenge 2016
Sereja and GCD 2, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu
June Challenge 2016
Chef and cities, Devu and an Array, Chef and Coins Game, Chef And Binary Operation, Chef and Array and K, Chef and New Game, Chef And The Hiring Event
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Defend the Recipe, Scheduling jobs on a cluster
April Cook-Off 2016
Movie Weekend, Odd Divisors
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
