September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
July Challenge 2020 Division 2
Chef and Strings, Chef and Card Game, Ada King
Starters 50 Division 3 (Rated)
Nearest Court, Average Permutation
August Long 2022 Division 3 (Rated)
Sale Season, XOR with smallest element, Hello Equation, Two Trains, Make A and B equal
Starters 53 Division 3 (Rated)
Make A and B equal, Weights
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine, Team of Two
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