July Challenge 2020 Division 2
Chefina and Swaps, Ada King, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Chef and Dragon Dens
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix, Coronavirus Spread 2
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
August Lunchtime 2020 Division 2
Mode of Frequencies, Game on a Strip
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing, Gold Mining
January Challenge 2021 Division 2
Chef and Ants, Expected Number of SCCs, Watching CPL, Fair Elections
December Challenge 2020 Division 1
Hail XOR, Even Pair Sum, Positive Prefixes, String Operations, Calculus
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
Code Ensemble (Rated for Division 2)
Priya and AND, Help Martha
India