Solution: Binary Tree Preorder Traversal
Explore the binary tree preorder traversal using a depth-first search approach that applies Morris traversal to avoid recursion and extra memory usage. This lesson helps you understand how to visit nodes in root-left-right order by temporarily modifying pointers, achieving efficient traversal with O(n) time and O(1) space complexity.
We'll cover the following...
We'll cover the following...
Statement
Given the root of a binary tree, your task is to return a list containing the values of its nodes in
Constraints:
The number of nodes in the tree is in the range
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