July Challenge 2020 Division 2
Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings, Ada King
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
December Cook-Off 2020 Division 2
Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Sum, Even Differences, Dreams of Divisibility
November Lunchtime 2020 Division 2
Gasoline Introduction, Gasoline
September Lunchtime 2020 Division 2
GCD operations, Watermelon
April Cook-Off 2021 Division 2
Passing Marks, OR of ANDs, Chocolate Monger
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
India