August Challenge 2019 Division 2
Football, Distribute Apples, Dilemma
October Challenge 2019 Division 2
Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
That Is My Score!, Easy Subsequence Selection, Plus Multiply
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
April Challenge 2020 Division 2
Squared Subsequences, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Unit GCD, Strange Number, Sell All the Cars
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Chef and Icecream, Chef and Price Control, Chef and String, Covid Sampling (Challenge), The Tom and Jerry Game!, Even Matrix
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
