Delete the middle node of linked list
Delete the Middle Node of a Linked List | LeetCode Explained
In this video, we solve the Delete the Middle Node of a Linked List problem from LeetCode.
Given the head of a singly linked list, the task is to delete the middle node and return the modified list.
🔍 Problem Overview
Input: Head of a singly linked list
Output: Head of the linked list after deleting the middle node
Definition: If the list has n nodes, the middle node is at index n / 2 (0-based)
💡 Approach Explained
Use the slow and fast pointer technique
Move slow by one step and fast by two steps
When fast reaches the end, slow will be at the middle
Keep track of the previous node to delete the middle node
⏱️ Time & Space Complexity
Time Complexity: O(n)
Space Complexity: O(1)
✅ Key Concepts Covered
Singly linked list operations
Slow and fast pointers
Pointer manipulation
Handling edge cases (single-node list)
🎯 Why Watch This Video?
✔ Easy and intuitive explanation
✔ Optimized one-pass solution
✔ Clean and interview-ready code
✔ Common linked list interview problem
🔖 Tags / Hashtags
#LeetCode #LinkedList #DeleteMiddleNode #TwoPointers #DSA #CodingInterview #Java