September Challenge 2016
Chef and digits of a number, Faded Palindromes
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
November Challenge 2016
Count Permutations, Chef and squares, Task for Alexey
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
February Lunchtime 2017
Bear and Milky Cookies, Bear and House Queries
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
Xenny and Coin Rankings, Pairwise union of sets, Triplets, Chef and the Feast, A Good Set
August Cook-Off 2017
Matrix and Chef, Real obtuse, From heaven to earth
September Lunchtime 2017
Chef and Cook-Off Contests
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