226. Invert Binary Tree

Author: amitbansal7

invert-binary-tree.cpp

@@ -0,0 +1,13 @@
+//Runtime: 0 ms
+class Solution {
+public:
+    TreeNode* invertTree(TreeNode* root) {
+        if(!root)
+            return root;
+
+        swap(root->left, root->right);
+        invertTree(root->left);
+        invertTree(root->right);
+        return root;
+    }
+};