December Challenge 2019 Division 2
Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
Hard Cash, School of Geometry
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Chefina and Swaps
August Challenge 2020 Division 2
Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
September Lunchtime 2020 Division 2
GCD operations, Watermelon
