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[Leetcode] 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.
Solution: Recursion.
1 /** 2 * Definition for binary tree 3 * public class TreeNode { 4 * int val; 5 * TreeNode left; 6 * TreeNode right; 7 * TreeNode(int x) { val = x; } 8 * } 9 */10 public class Solution {11 public int maxDepth(TreeNode root) {12 if(root==null)13 return 0;14 return Math.max(maxDepth(root.left), maxDepth(root.right))+1;15 }16 }
[Leetcode] Maximum Depth of Binary Tree
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