题解 | #二叉树的最大深度#
二叉树的最大深度
http://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) { if (!root) return 0; return 1 + max(maxDepth(root->left), maxDepth(root->right)); // write code here } };