February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash, No Change Required
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Isolation Centers, Coronavirus Spread
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
International Coding Marathon (Rated for all)
Lavanya Loves DFA, Mr Pr in a Dilemma
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Numbers
India