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isinsuarici · Dec 11, 2022 · cfea55b · cfea55b
1 parent 9bc66a6
commit cfea55b
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/E_226_InvertBinaryTree.cpp b/E_226_InvertBinaryTree.cpp
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+/**
+ * Definition for a binary tree node.
+ * struct TreeNode {
+ *     int val;
+ *     TreeNode *left;
+ *     TreeNode *right;
+ *     TreeNode() : val(0), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
+ * };
+ */
+class Solution {
+public:
+    TreeNode* invertTree(TreeNode* root) {
+        if(root == 0) return 0;
+        TreeNode* temp = root->left;
+        root->left = invertTree(root->right);
+        root->right = invertTree(temp);
+        return root;
+    }
+};