April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
June Challenge 2020 Division 2
Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings
May Challenge 2021 Division 3 (Rated)
Tic Tac Toe, Solubility, Golf, Modular Equation, Xor Equality, An Interesting Sequence
June Challenge 2021 Division 3 (Rated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
July Challenge 2021 Division 3 (Rated)
XxOoRr, Optimal Denomination, Maximum Production, Relativity
India