July Challenge 2017
Tree Expectancy, Chef and Sign Sequences, Calculator , Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
September Cook-Off 2017
Subsequence Equality, Statistics Construction
September Lunchtime 2017
Chef and Cook-Off Contests
December Lunchtime 2017
Days in Month, Strange Function
January Challenge 2018
K-Concatenation, Rectangle, Maximum Score
February Challenge 2018
Broken Clock, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
