October Challenge 2019 Division 2
Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices, Even Edges
October Lunchtime 2019 Division 2
Khaled in HIT, Counting Inversions Revisited
December Lunchtime 2019 Division 2
The Evil Professor, Guess the number
January Challenge 2020 Division 2
Doraemon, (Challenge) Building Anthills, Breaking Bricks, English, Chefina and Prefix Suffix Sums, Doofish Matrix, Chef and Dynamo
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift
