April Challenge 2020 Division 2
Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue, Strange Number
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Covid Sampling (Challenge), Chef and Icecream, Operations on a Tuple, The Tom and Jerry Game!
July Challenge 2020 Division 2
Chef and Strings, Chefina and Swaps, Chef and Card Game, Doctor Chef, Missing a Point, Ada King
October Challenge 2020 Division 1
Positive AND, Replace for X
November Challenge 2020 Division 1
Restore Sequence, Magical Candy Store, Unusual Queries
September Cook-Off 2020 Division 2
Maximise Subsequence Value, Bowling Strategy
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
India