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19. Remove Nth Node From End of List

Medium

Description

Given the head of a linked list, remove the nth node from the end of the list and return its head.

Example 1:

Example_1_img

Input: head = [1,2,3,4,5], n = 2
Output: [1, 2, 3, 5]

Example 2:

Input: head = [1], n = 1
Output: []

Example 3:

Input: head = [1,2], n = 1
Output: [1]

Constraints:

  • The number of nodes in the list is sz.
  • 1 <= sz <= 30
  • 0 <= Node.val <= 100
  • 1 <= n <= sz

Follow up: Could you do this in one pass?

Solutions

Akhil Singh Chauhan Akhil Singh Chauhan
Creator

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