How to Solve Maximum Depth of Binary Tree Problem
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Maximum Depth of Binary Tree
Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
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Understanding the Maximum Depth of Binary Tree Problem
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Problem Statement
Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
Maximum Depth of Binary Tree
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Examples
# Example 1
root = [3,9,20,null,null,15,7]
3
# Example 2
root = [1,null,2]
2
Constraints
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Solve Maximum Depth of Binary Tree — Given the root of a binary tree, return its maximum depth. A binary tree's maxim...
Here's the optimal approach using Tree:
Time: O(n) | Space: O(n)
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