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DIY: All Nodes Distance K in Binary Tree

Explore how to identify all nodes at a given distance K from a target node within a binary tree. This lesson teaches you to implement a function calculating node distances, enhancing your problem-solving skills for coding interviews involving tree data structures.

Problem statement

We are given a binary tree (with a root node root), a target node, and an integer value, K.

Return an array of the values of all nodes that are K ...