Given the head of a linked list, remove the nth node from the end and return its head.
Example 1:
Input: head = [1, 2, 3, 4, 5], n = 2
Output: [1, 2, 3, 5]
Example 2:
Input: head = [1], n = 1
Output: []
linked-listTime: O(L)Space: O(1)Frequency: 4
Given the head of a linked list, remove the nth node from the end and return its head.
Example 1:
Input: head = [1, 2, 3, 4, 5], n = 2
Output: [1, 2, 3, 5]
Example 2:
Input: head = [1], n = 1
Output: []
linked-list