December Challenge 2020 Division 2
Hail XOR, Vaccine Distribution, Vaccine Production, Even Pair Sum, Positive Prefixes
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
February Challenge 2021 Division 3
Chef and Meetings, Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait
April Challenge 2021 Division 3
Strong Language, World Record, Valid Pair, Worthy Matrix, Chef and Dice
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 2 (Unrated)
Bella ciao, Summer Heat, Bitwise Tuples
July Long One 2022 Division 2 (Unrated)
Journey of the Knight, Game of Piles Version 1, Find A, B, C, Slow Solution
India