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.

求二叉树的最大深度

/*** Definition for a binary tree node.* 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;}int left = maxDepth(root.left);int right = maxDepth(root.right);return Math.max(left, right) + 1;}
}

转载于:https://www.cnblogs.com/iwangzheng/p/5768592.html

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