May Challenge 2020 Division 2
Coronavirus Spread, Chef and Bitwise Product, Isolation Centers, Triple Sort
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Unusual Queries, Iron, Magnet and Wall
February Challenge 2021 Division 2
Frog Sort, Team Name, Maximise Function
March Challenge 2021 Division 2
Consecutive Adding, Maximum Topological Sort, Space Arrays, Paparazzi Gennady, College Life 4, Dense Graph, Interesting XOR!
April Challenge 2021 Division 2
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation
