Software Engineer - Backend
Software Engineer - Backend Interview Questions and Answers
Updated 2 Sep 2024
Q1. Top View of a Binary Tree
Ans.
Top View of a Binary Tree is the set of nodes visible when the tree is viewed from the top.
The top view of a binary tree can be obtained by performing a level order traversal and keeping track of the horizontal distance of each node from the root.
Nodes with the same horizontal distance are at the same level in the top view.
Example: For the binary tree 1 -> 2 -> 3 -> 4 -> 5, the top view would be 1 -> 2 -> 3 -> 4 -> 5.
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