February Challenge 2020 Division 2
The Theatre Problem, No Change Required, Hard Cash, School of Geometry
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Triple Sort, Sorting Vases, Coronavirus Spread, Isolation Centers
August Challenge 2020 Division 2
Chef and Wedding Arrangements, Smallest KMP, Another Card Game Problem, Chef Wars - Return of the Jedi, Chef and Linear Chess
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix, Coronavirus Spread 2
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
August Lunchtime 2020 Division 2
Mode of Frequencies, Game on a Strip
September Lunchtime 2020 Division 2
GCD operations, Watermelon
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Paparazzi Gennady, Space Arrays
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