Remove Nth Node from End of List
Medium Problems of Singly Linked List DSA practice problem on Onlearn.
Difficulty: medium.
Topics: Delete the Nth node from the end of a linked list, Linked List, Node, Pointer, Time Complexity, Space Complexity, Brute Force, Two Pointers, Algorithm, edge cases, pointer operations, linked list, time complexity analysis, two pointer technique.
Problem Statement: Given the head of a singly linked list and an integer N, remove the Nth node from the end of the list and return its head. Input Specification: The input will consist of the head of a singly linked list and an integer N. Output Specification: Return the head of the modified linked list after removing the Nth node from the end. Examples: Example 1: Input: Linked List: 5 1 2 N = 2 Output: 5 2 Explanation: The 2nd node from the end of the linked list is 1. After removing 1, the list becomes 5 2. Example 2: Input: Linked List: 1 2 3 4 5 N = 3 Output: 1 2 4 5 Explanation: The 3rd node from the end is 3. After removing 3, the list becomes 1 2 4 5.