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Decode the Coding Interview in Scala: Real-World Examples

Invert Binary Tree

Explore how to invert a binary tree by applying depth-first search techniques. Understand the recursive process of swapping left and right subtrees, and analyze the problem's time and space complexities to prepare for coding interviews effectively.

We'll cover the following...

Description

In this lesson, your task is to invert a given a ...

Scala
class TreeNode(var value:Int=0, var left:TreeNode=null, var right:TreeNode=null) {
}
object Solution {
  def invertTree(root: TreeNode): TreeNode = {
    //write your code here
    root
  }
}
Invert binary tree
...