April Challenge 2020 Division 2
Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue, Strange Number
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates
June Challenge 2020 Division 2
Chef and String, Chef and Price Control, Chef and Icecream, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 2
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
July Lunchtime 2020 Division 2
Chef and Steps, Binary Concatenation
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
