April Challenge 2020 Division 2
Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue, Strange Number
August Challenge 2020 Division 2
Chef and Linear Chess, Smallest KMP, Another Card Game Problem, Chef Wars - Return of the Jedi
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies, Ratings and Rankings
September Cook-Off 2020 Division 1
Maximise Subsequence Value
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Help Martha
Iran