Regarding Top View of Binary Tree

#1

I’m unable to find the logic for solving problems like Top view, left view, etc.
Kindly help

#2

How should i help you … can i share some resources with you where these all are explained very nicely ??

#3 
https://www.youtube.com/playlist?list=PLjhq5EHRYAeLdh0xtn2v7wbQsVc8WAB2e

this playlist contains all of the views explained very nicely.