Given two binary trees
cloned and given a reference to a node
target in the original tree.
cloned tree is a copy of the
Return a reference to the same node in the
Note that you are not allowed to change any of…
Big O notation is the language we use for talking about how long an algorithm takes to run. It’s how we compare the efficiency of different approaches to a problem.
With big O notation we express the runtime in terms of how quickly it grows relative to the input, as…
The process for admissions in 23 IITs, 31 NITs, 26 IIITs and 29 Other-Government Funded Technical Institutes (Other-GFTIs) is managed by JoSAA (Joint Seat Allocation Authority), and the process is popularly known as JoSAA counselling. …