November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
November Lunchtime 2019 Division 2
Planting Trees, Compress the List
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
August Challenge 2020 Division 2
Chef and Linear Chess, Chef and Wedding Arrangements, Smallest KMP, Another Card Game Problem, Chef Wars - Return of the Jedi, Insanely Hard School Exams
January Challenge 2021 Division 2
Chef and Ants, Expected Number of SCCs, Watching CPL, Fair Elections
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences, Horoscope Matrix, One Zero Swaps
India