Find level of a node

#1

question:https://codezen.codingninjas.com/practice/499/791/node-level
wrong output
https://ideone.com/bdViua

#2

@ayu2321 declare the level variable outside the solve function

#3

correct ouput is coming but not passing any test case

#4

@ayu2321 check for cases where you hit NULL before you can find the required node.

#5

if root is null then i m returning 0
in which case should i return null other than this

#6

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