Answer: Shopify OA Question 2024 August | Linked List | on-campus

Solution: Reverse Linked List — Iterative Three Pointer Approach We reverse the linked list iteratively using three pointers. We walk through the list once, reversing each next pointer as we go: prev: the previously processed node (starts as null). curr: the current node being processed. next: temporarily stores the next node before we overwrite curr.next. At each step: save curr.next → reverse the pointer (curr.next = prev) → advance both prev and curr forward. When curr becomes null, prev is ...