November Challenge 2019 Division 2
Hard Sequence, Weapon Value
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chef and Strings, Chefina and Swaps, Chef and Card Game, Missing a Point, Ada King, Doctor Chef
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
November Challenge 2020 Division 2
Iron, Magnet and Wall, Ada and Dishes, Restore Sequence
February Challenge 2021 Division 2
Frog Sort, Team Name, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, Paparazzi Gennady, Space Arrays
April Challenge 2021 Division 2
Binary String MEX, Chef and Dice
India