June Challenge 2020 Division 2
Chef and Price Control, Chef and String
July Challenge 2020 Division 2
Missing a Point, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Ada Matrix
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work
October Challenge 2020 Division 2
Chef and Easy Queries, Positive AND, Covid Run
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Distribution, Vaccine Production, Positive Prefixes, String Operations, Hail XOR
September Lunchtime 2020 Division 2
GCD operations, Watermelon
India