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Invert Binary Tree

Explore how to invert a binary tree using depth-first search in C++. Understand the process of swapping left and right subtrees, and analyze time and space complexity. This lesson helps you build essential skills for solving tree-based problems in coding interviews.

Description

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

Let’s look at an example below:

Coding

...
Files
main.cpp
TreeNode.h
C++ 17
#include "TreeNode.h"
TreeNode* invertTree(TreeNode* root) {
return root;
}
Invert binary tree

Solution

We can solve this problem using ...