Delete Node in a Linked List | O(1) Trick Explained | DAY-10|#SDESheetChallenge @takeUforward

In today’s LeetCode problem, Delete Node in a Linked List (LeetCode 237), we’re given only the node to be deleted—not the head of the linked list. At first glance, it seems impossible. How can we delete a node without access to the previous node? In this video, we’ll break down the key observation and learn the elegant O(1) solution that interviewers love to ask. #leetcode #linkedlist #dsa #codinginterview #java #programming #leetcode237 #softwareengineer #datastructures #codingchallenge #placementpreparation #tech