March Challenge 2018 DIV 2
A Big Sale, Chef and Glove
August Challenge 2019 Division 2
Football, Distribute Apples
September Challenge 2019 Division 2
Chef and Interesting Subsequences
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Breaking Bricks, Chef and Dynamo, Doraemon
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
Pintu and Fruits, Ada Bishop 2, XOR Engine
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
India