April Challenge 2020 Division 2
Sell All the Cars, Strange Number, COVID Pandemic and Long Queue
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, Smallest KMP, Another Card Game Problem, Chef Wars - Return of the Jedi
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Find XOR
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
October Challenge 2020 Division 2
Chef and Easy Queries, Covid Run, D-Dimensional MST, Positive AND, Replace for X
January Challenge 2021 Division 2
Chef and Ants, Fair Elections
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, Maximum Topological Sort, Space Arrays, Paparazzi Gennady, Consecutive Adding, College Life 4, Dense Graph
July Long Two 2022 Division 2 (Unrated)
Sum of Product 1, Sum of Product 2
India