binary-tree/recursion/maximum-depth-of-binary-tree
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2023-12-01
Maximum Depth of Binary Tree
描述
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
分析
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代码
// Maximum Depth of Binary Tree
// 时间复杂度O(n),空间复杂度O(logn)
class Solution {
public int maxDepth(TreeNode root) {
if (root == null) return 0;
return Math.max(maxDepth(root.left), maxDepth(root.right)) + 1;
}
}
// Maximum Depth of Binary Tree
// 时间复杂度O(n),空间复杂度O(logn)
class Solution {
public:
int maxDepth(TreeNode *root) {
if (root == nullptr) return 0;
return max(maxDepth(root->left), maxDepth(root->right)) + 1;
}
};