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Grokking the Coding Interview Patterns in Python

Solution: Binary Tree Right Side View

Explore how to compute the right-side view of a binary tree by applying a depth-first search that visits right children before left. Understand how to track levels and store visible nodes efficiently to produce the correct right-side perspective.

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Statement

You are given a root of a binary tree that has n number of nodes. You have to return the right-side view in the form of a list.

A right-side view of a binary tree is the data of the nodes that are visible when the tree is viewed from the right side.

Constraints:

  • 0≤0 \leq n ≤100\leq 100
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