June Challenge 2017
Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets, A Good Set
July Challenge 2017
Chef and Sign Sequences, Whats in the Name
September Challenge 2017
Sereja and Commands, Little Chef and Sums, Minimum Good Permutation, Chef and Pick Digit
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Villages and Tribes, Periodic Palindrome Construction, Chef Hates Palindromes, Chef goes Left Right Left
August Cook-Off 2017
Real obtuse, From heaven to earth
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
September Lunchtime 2017
Chef and Cook-Off Contests
