LeetCode #203: Remove Linked List Elements
β’ 67 words β’ 1 min β’ updated
LeetCode #203: Remove Linked List Elements:
python
# Definition for singly-linked list.
# class ListNode:
# def __init__(self, val=0, next=None):
# self.val = val
# self.next = next
class Solution:
def removeElements(self, head: Optional[ListNode], val: int) -> Optional[ListNode]:
while head and head.val == val:
head = head.next
pointer = head
while pointer and pointer.next:
if pointer.next.val == val:
pointer.next = pointer.next.next
else:
pointer = pointer.next
return head