February Challenge 2020 Division 2
School of Geometry, Hard Cash
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
June Challenge 2020 Division 2
Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!, Even Matrix
July Challenge 2020 Division 2
Ada King, 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
January Challenge 2021 Division 3
Chef and Division 3, Encoded String
February Challenge 2021 Division 3
Frog Sort, Highest Divisor, Chef and Meetings, Maximise Function
March Challenge 2021 Division 3
Chef and Groups, No Time to Wait
August Challenge 2021 Division 3 (Rated)
Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
September Challenge 2021 Division 3 (Rated)
Airline Restrictions, Travel Pass, Shuffling Parities, XOR Equal
October Challenge 2021 Division 3 (Rated)
Longest AND Subarray, Digit Removal, Three Boxes, Which Mixture
January Long 2022 - II, Division 3 (Rated)
Power Sum, Crying Colours, TCS Examination, Chef and Fixed Deposits
India