August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
October Challenge 2019 Division 2
Array Modification, Phone Prices
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Breaking Bricks
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Isolation Centers, Coronavirus Spread
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
March Challenge 2021 Division 3
Paparazzi Gennady, No Time to Wait, Space Arrays, College Life 4, Chef and Groups
September Long 2022 Division 3 (Rated)
Speed Limit Test, Bob at the Bank, Distinct Numbers, Pokemon Battles, Interesting Subarray, Good Pairs
India