January Challenge 2020 Division 2
Breaking Bricks, Chef and Dynamo
March Challenge 2020 Division 2
Chef and DAG, XOR Engine, Ada Bishop 2, Lasers Everywhere, Pintu and Fruits
April Challenge 2020 Division 2
COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Ready Bitwise, Squared Subsequences, Strange Number, Factor Tree
May Challenge 2020 Division 1
Buying a New String, Triple Sort, Sorting Vases, Chef and Bitwise Product
March Challenge 2021 Division 2
Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Random Walk Queries, Maximum Topological Sort
