October Challenge 2019 Division 2
Array Modification, Operations on a Matrix, Phone Prices, Chef and Maximum Star Value
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Unit GCD, Ready Bitwise, Squared Subsequences, Strange Number
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
India