November Challenge 2017
Chef goes Left Right Left, Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction
December Challenge 2017
Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
February Challenge 2018
Permutation and Palindrome, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
March Cook-off 2018 Division 2
Chef Judges a Competition, Chef Restores a Matrix, Chef Goes to the Cinema
April Challenge 2018 Division 2
Chef and Array (Challenge), Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Xor Again, Dibs on Fibs, Fake Binary Search, Minimum Deletions, Change the Signs, Mighty Friend
July Challenge 2018 Division 1
Reach Equilibrium, No Minimum No Maximum, Gears
September Challenge 2018 Division 1
Chef and Condition Zero (Challenge), Table Game, Bad Shuffle
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