GoalScope — reorder_list (Qwen2.5-Coder-32B-Instruct)

GoalScope — reorder_list (Qwen2.5-Coder-32B-Instruct) — hover a token to see the patched verbalization

↵ <code>↵ def reorder_list(head):↵ """Reorder the linked list in-place."""↵ if not head or not head.next:↵ return↵ ↵ # Find the middle of the linked list↵ slow = fast = head↵ while fast and fast.next:↵ slow = slow.next↵ fast = fast.next.next↵ ↵ # Reverse the second half of the list↵ prev, curr = None, slow↵ while curr:↵ next_temp = curr.next↵ curr.next = prev↵ prev = curr↵ curr = next_temp↵ ↵ # Merge two halves↵ first, second = head, prev↵ while second.next:↵ temp1, temp2 = first.next, second.next↵ first.next = second↵ second.next = temp1↵ first, second = temp1, temp2↵ </code>