Maximum Depth of Binary Tree
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.
/**
* Definition for binary tree
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNode right;
* TreeNode(int x) { val = x; }
* }
*/
public class Solution {
public int maxDepth(TreeNode root) {
if(root == null)
return 0;
else {
int depthLeft = maxDepth(root.left) + 1;
int depthRight = maxDepth(root.right) + 1;
if(depthLeft >= depthRight)
return depthLeft;
else
return depthRight;
}
}
}