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, Smallest KMP
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2
July Cook-Off 2020 Division 2
OR-thodox Distinction, Even-tual Reduction
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies
September Lunchtime 2020 Division 2
Root the Tree, Watermelon, GCD operations
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait
India