December Challenge 2019 Division 2
Easy Subsequence Selection, Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins
March Challenge 2020 Division 2
Ada Bishop 2, Pintu and Fruits, XOR Engine
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
June Challenge 2020 Division 2
The Tom and Jerry Game!, Covid Sampling (Challenge)
July Challenge 2020 Division 2
Ada King, Chef and Strings, Chef and Card Game, Missing a Point
October Challenge 2020 Division 2
Positive AND, Covid Run, Chef and Easy Queries
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
Nigeria