October Challenge 2020 Division 2
Replace for X, Covid Run, Chef and Easy Queries, Positive AND
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
December Challenge 2020 Division 2
Vaccine Distribution, Vaccine Production, Even Pair Sum, Positive Prefixes
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
February Challenge 2021 Division 3
Frog Sort, Team Name, Chef and Meetings, Maximise Function, Highest Divisor
India