July Cook-Off 2018 Division 2
OR Matrix, Encoding Message
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
November Lunchtime 2019 Division 2
Planting Trees, Compress the List
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!, Easy Subsequence Selection, Binary XOR
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food, Under the Tunnels
Indonesia