October Challenge 2015
Who dares to be a millionaire
February Challenge 2016
Chef and Strange Operations, Devu and a light discussion, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Chef and Ballons, Chef And Coloring, Chef And Magical Path, Help Watson Escape
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Chefland and Electricity, Andrash and Stipendium, Chef and Robots Competition
August Challenge 2016
Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
December Challenge 2016
Train Partner, Kirito in labyrinth
March Cook-Off 2016
Alternating subarray prefix
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
October Cook-Off 2016
Watson asks Does Permutation Exist
June Lunchtime 2016
Collisions, One more weird game
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Greedy Candidates
October Lunchtime 2017
Buggy Calculator, Maximum Number
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
