Invert Binary Tree Solution

Author: PDKhan

invert-binary-tree/PDKhan.cpp

@@ -0,0 +1,14 @@
+class Solution {
+    public:
+        TreeNode* invertTree(TreeNode* root) {
+            if(root == NULL)
+                return NULL;
+    
+            TreeNode* tmp = root->left;
+    
+            root->left = invertTree(root->right);
+            root->right = invertTree(tmp);
+    
+            return root;
+        }
+    };