Dont know how to solve it

#1

please tell me how to solve it both recursively and bfs

#2

Hi… u can refer to my soln https://ide.codingblocks.com/s/595892

#3

I have not done map rn can you explain me

#4

https://www.techiedelight.com/print-top-view-binary-tree/
go through this link… u will find very good explanation…
and before that do go through video lectures of maps…

#5

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