October Challenge 2017
Counter Test For CHEFSUM, Max Mex, A Balanced Contest
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
November Cook-Off 2017
Random Pair, Online Chess
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Permutation and Palindrome, Car-pal Tunnel, Chef And His Characters, Chef And The Patents
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples
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
April Challenge 2018 Division 1
Highway Crossing, Count Good Prefixes, Chef and Array (Challenge)
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness
