Tree Left View problem

#1

failing with only one test case kindly rectify my code

#2

@Legendankit hey apke left view ka logic sahi hai bs build tree me dikkt hai ,check this code:

#3

Nahi Sir sare test case fail ho rahe hai jo aapne code send kiya hai

#4

@Legendankit hi bhai is code me only build tree level wise ka code hai left view ka apka code sahi hai woh isme dalna pdega aur call krna pdega function tab pass honge abhi sirf build horha hai.