_104. Maximum Depth of Binary Tree.md

104. Maximum Depth of Binary Tree

All prompts are owned by LeetCode. To view the prompt, click the title link above.

Back to top

---

First completed : July 04, 2024

Last updated : July 04, 2024

---

Related Topics : Tree, Depth-First Search, Breadth-First Search, Binary Tree

Acceptance Rate : 76.6 %

---

Solutions

• e104.py

Python

e104.py

# Definition for a binary tree node.
# class TreeNode:
#     def __init__(self, val=0, left=None, right=None):
#         self.val = val
#         self.left = left
#         self.right = right
class Solution:
    def maxDepth(self, root: Optional[TreeNode]) -> int:
        if not root :
            return 0
        return 1 + max(self.maxDepth(root.left), self.maxDepth(root.right))