Initial commit

2026-03-18 00:57:17 +00:00 · 2022-07-26 16:15:18 +05:30
commit cef4c4dcc4
65 changed files with 1806 additions and 0 deletions
--- a/Easy/invert-binary-tree/solution.cpp
+++ b/Easy/invert-binary-tree/solution.cpp
@@ -0,0 +1,25 @@
+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 != nullptr) {
+            invertTree(root->left);
+            invertTree(root->right);
+
+            TreeNode *copy = root->left;
+            root->left = root->right;
+            root->right = copy;
+        }
+
+        return root;
+    }
+};