July Challenge 2020 Division 2
Chef and Strings, Chef and Card Game
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Ada Matrix
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Iron, Magnet and Wall, Ada and Dishes, Restore Sequence
December Challenge 2020 Division 2
Hail XOR, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
September Lunchtime 2020 Division 2
GCD operations, Watermelon
June Lunchtime 2021 Division 2
False Number, Unpleasant Ones, Tic Tac Toe
India