题解 | #二叉树的最大深度#
二叉树的最大深度
https://www.nowcoder.com/practice/8a2b2bf6c19b4f23a9bdb9b233eefa73
/**
* struct TreeNode {
* int val;
* struct TreeNode *left;
* struct TreeNode *right;
* };
*/
class Solution {
public:
/**
*
* @param root TreeNode类
* @return int整型
*/
int maxDepth(TreeNode* root) {
// write code here
if(root == nullptr){
return 0;
}
int deep = 0;
int max = 0;
deep = maxDepth(root->left) + 1;
if(max < deep) max = deep;
deep = maxDepth(root->right) + 1;
if(max < deep) max = deep;
return max;
}
};
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