September Challenge 2016
Faded Palindromes, Chef and calculation, Chef and digits of a number
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
IPC Trainers, Calculator , Whats in the Name, Chef and Sign Sequences
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
August Challenge 2019 Division 2
Guddu and his Mother, Encoding, Dilemma, Football, Distribute Apples, Zombie and the Caves
April Challenge 2020 Division 1
Strange Number, Squared Subsequences
United States