August Challenge 2019 Division 2
Football, Distribute Apples, Dilemma
September Challenge 2019 Division 2
Chef and Interesting Subsequences
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
Plus Multiply, That Is My Score!
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
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
Isolation Centers, Coronavirus Spread
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
August Challenge 2020 Division 2
Smallest KMP, Chef and Linear Chess, Another Card Game Problem, Chef Wars - Return of the Jedi
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
June Challenge 2021 Division 3 (Rated)
Bitwise Tuples, Bella ciao, Summer Heat
India