November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes, Chef Hates Palindromes
April Challenge 2018 Division 2
Cutting Plants, Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers
March Challenge 2019 Division 2
Chef got Recipes, Chef and a Beautiful Digit, Chef and Number Game
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Chef and Icecream, Operations on a Tuple, The Tom and Jerry Game!
August Challenge 2020 Division 2
Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
United States