October Cook-Off 2015
Almost Sorted Permutation
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
August Challenge 2016
Chef and Chocolate, Chef and Round Run, Chef and Circle Run
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
December Challenge 2016
Bear and Three Colours, Our Base is Under Attack, Kirito in labyrinth, Kth Max Subarray, Train Partner, Roses for Alexey
February Cook-Off 2016
Puppy and Catchers, Puppy and Board, Puppy and Sum
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
December Cook-Off 2016
Chef and Subset, Chef and Subarrays, Chef and Numbers
June Lunchtime 2016
Collisions, One more weird game, Square in numbers
August Lunchtime 2016
Studying Alphabet, Lock-Free Stack
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers
India