November Challenge 2016
Chef and squares, Task for Alexey
October Cook-Off 2016
Watson asks Does Permutation Exist, ChefWatson uses Social Network
May Challenge 2017
Courses in an university, Median of adjacent maximum numbers, Blocked websites, Chef and his daily routine
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef and Hamming Distance of arrays, Penalty Shoot-out, Chef And his Cake
September Cook-Off 2017
Infinite OR Game, Statistics Construction, Subsequence Equality
December Lunchtime 2017
Days in Month, Strange Function
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
April Challenge 2018 Division 2
Weight of Numbers, Average of Pairs, Workers
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices
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