Maximum Depth of Binary Tree solution

Author: PDKhan

maximum-depth-of-binary-tree/PDKhan.cpp

@@ -0,0 +1,9 @@
+class Solution {
+    public:
+        int maxDepth(TreeNode* root) {
+            if(root == nullptr)
+                return 0;
+            
+            return 1 + max(maxDepth(root->left), maxDepth(root->right));
+        }
+    };