Solution: Find Nodes at k Distance from the Root

Let’s solve the Find Nodes at k Distance from the Root problem.

We'll cover the following

Statement

Given the root node of a binary tree and an integer value k, find all the nodes at a distance of k from the root node.

Constraints:

Let n be the number of nodes in a binary tree.

  • 11 \leq n 500\leq 500
  • 00 \leq Node.data 103\leq 10^3
  • All Node.data are unique

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