203 remove linked list elements
203. Remove Linked List Elements
题目: https://leetcode.com/problems/remove-linked-list-elements/
难度:
Easy
AC代码如下:
class Solution(object):
def removeElements(self, head, val):
"""
:type head: ListNode
:type val: int
:rtype: ListNode
"""
dummy = ListNode(-1)
dummy.next = head
cur = dummy
while cur.next:
if cur.next.val == val:
cur.next = cur.next.next
else:
cur = cur.next
return dummy.next