April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Sell All the Cars
August Challenge 2020 Division 2
Insanely Hard School Exams, Subsequence Frequency Counting, Chefina and Strange Tree, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
August Lunchtime 2020 Division 1
Game on a Strip, Alien Invasion
October Challenge 2020 Division 1
Positive AND, Replace for X
November Challenge 2020 Division 1
Restore Sequence, Magical Candy Store
January Challenge 2021 Division 2
Chef and Ants, Expected Number of SCCs, Watching CPL, Fair Elections
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm
India