Grokking the Coding Interview: Patterns for Coding Questions

Ask Author

Back to course home

0% completed

Invert Binary Tree (medium)

Problem Statement

Given the root of a binary tree, invert it.

Example:

Given the following two binary trees:

Constraints:

The number of nodes in both trees is in the range [0, 100].
-100 <= Node.val <= 100

Try it yourself

Try solving this question here:

.....

.....

.....

Like the course? Get enrolled and start learning!