Time: 15 ms (37.51%), Space: 15.1 MB (67.41%) - LeetHub

Author: MishkatIT

0589-n-ary-tree-preorder-traversal/0589-n-ary-tree-preorder-traversal.cpp

@@ -0,0 +1,35 @@
+/*
+// Definition for a Node.
+class Node {
+public:
+    int val;
+    vector<Node*> children;
+
+    Node() {}
+
+    Node(int _val) {
+        val = _val;
+    }
+
+    Node(int _val, vector<Node*> _children) {
+        val = _val;
+        children = _children;
+    }
+};
+*/
+
+class Solution {
+public:
+    vector<int> preorder(Node* root) {
+        vector<int> ans;
+
+        function<void(Node*)> dfs = [&](Node* root) {
+            if (!root) return;
+            ans.push_back(root->val);
+            for (auto& i : root->children) dfs(i);
+        };
+
+        dfs(root);
+        return ans;
+    }
+};