🌵203. Remove Linked List Elements
https://leetcode.com/problems/remove-linked-list-elements/
js
/**
* Definition for singly-linked list.
* function ListNode(val) {
* this.val = val;
* this.next = null;
* }
*/
/**
* @param {ListNode} head
* @param {number} val
* @return {ListNode}
*/
var removeElements = function(head, val) {
while (head && head.val === val) {
head = head.next
}
let cur = head
while (cur && cur.next) {
if (cur.next.val === val) {
cur.next = cur.next.next
} else {
cur = cur.next
}
}
return head
}py
# Definition for singly-linked list.
# class ListNode:
# def __init__(self, x):
# self.val = x
# self.next = None
class Solution:
def removeElements(self, head, val):
"""
:type head: ListNode
:type val: int
:rtype: ListNode
"""
while head and head.val == val:
head = head.next
cur = head
while cur and cur.next:
if cur.next.val == val:
cur.next = cur.next.next
else:
cur = cur.next
return head