June Challenge 2017
Xenny and Coin Rankings, A Good Set
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Palindromic Game, Greedy Candidates, Chef and Mover, Chef and Rainbow Array
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
October Challenge 2017
Max Mex, A Balanced Contest, Counter Test For CHEFSUM
November Challenge 2017
Product on the segment by modulo , Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
August Cook-Off 2017
Real obtuse, From heaven to earth
September Lunchtime 2017
Chef and Cook-Off Contests
