Can we uniquely identify a tree using level order only

#1

can we uniquely identify a tree using level order

#2

Hello @sharad1103

If you talking about the way input is given in the attached “Tree Bottom View” question, then YES we can create the level order tree.
In this kind of format we are given all the nodes, if the node is Not present then a -1 is given.
Example:

1 2 -1 3 4 -1 -1 5 6 -1 -1 -1 -1 is a tree like this

           1
         /
       2 
      /  \
     3    4
         /  \
        5    6

Here is the code for Level tree order input.

#3

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