beta-yu

Go ```go func isPalindrome(head *ListNode) bool { slow, fast := head, head for fast != nil && fast.Next != nil { slow = slow.Next fast = fast.Next.Next } if fast...

```swift /// Computed property to iterate through the linked list and return the last node in the list (if any) public var last: Node? { guard var node = head...

> iOS 14.1