From be5b2ba80d16cf1550586ca26301da2759e2f38f Mon Sep 17 00:00:00 2001
From: chayan das <dasshuvo817@gmail.com>
Date: Sat, 1 Nov 2025 21:51:00 +0530
Subject: [PATCH] Create 3217. Delete Nodes From Linked List Present in Array 1

---
 ... Nodes From Linked List Present in Array 1 | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 3217. Delete Nodes From Linked List Present in Array 1

diff --git a/3217. Delete Nodes From Linked List Present in Array 1 b/3217. Delete Nodes From Linked List Present in Array 1
new file mode 100644
index 0000000..de7d46c
--- /dev/null
+++ b/3217. Delete Nodes From Linked List Present in Array 1	
@@ -0,0 +1,26 @@
+class Solution {
+public:
+    ListNode* modifiedList(vector<int>& nums, ListNode* head) {
+        unordered_set<int> s(nums.begin(), nums.end());
+        vector<int> vec;
+        ListNode* curr = head;
+
+        while (curr) {
+            if (s.count(curr->val) == 0) vec.push_back(curr->val);
+            curr = curr->next;
+        }
+
+        if (vec.empty()) return nullptr;
+
+        curr = head;
+        ListNode* prev = nullptr;
+        for (int v : vec) {
+            curr->val = v;
+            prev = curr;
+            curr = curr->next;
+        }
+
+        if (prev) prev->next = nullptr;
+        return head;
+    }
+};