April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue, Strange Number
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
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
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix
February Challenge 2021 Division 2
Frog Sort, Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Maximise Function
India