February Challenge 2020 Division 2
School of Geometry, Hard Cash, The Theatre Problem
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers, Triple Sort
February Lunchtime 2020 Division 2
At the Gates, Not All Flavours
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
August Lunchtime 2021 Division 3
Maximum Length Even Subarray, Programming Languages
India