104. Maximum Depth of Binary Tre
2018-07-30 本文已影响0人
becauseyou_90cd
https://leetcode.com/problems/maximum-depth-of-binary-tree/description/
解题思路：用preorder方法
代码：
class Solution {
public int maxDepth(TreeNode root) {
if(root == null) return 0;
return 1 + Math.max(maxDepth(root.left), maxDepth(root.right));
}
}
