June Challenge 2017
Xenny and Coin Rankings, A Good Set
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Chef goes Left Right Left, Villages and Tribes, Periodic Palindrome Construction, Chef Hates Palindromes
September Cook-Off 2017
Statistics Construction, Subsequence Equality
October Cook-Off 2017
Chef and Employment Test, Chef and Weird Queries
January Challenge 2018
Maximum Score, Rectangle, String Merging, Partition the numbers, K-Concatenation
February Challenge 2018
Permutation and Palindrome, Car-pal Tunnel, Chef And The Patents, Chef And His Characters
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
April Challenge 2018 Division 2
Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
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