题解 | #删除链表的倒数第n个节点#
删除链表的倒数第n个节点
http://www.nowcoder.com/practice/f95dcdafbde44b22a6d741baf71653f6
# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param head ListNode类 # @param n int整型 # @return ListNode类 # class Solution: def removeNthFromEnd(self , head: ListNode, n: int) -> ListNode: # write code here if not head&nbs***bsp;not head.next: return None res = [] while head: res.append(head.val) head = head.next res.pop(len(res)-n) phead = newhead = ListNode(0) for data in res: newhead.next = ListNode(0) newhead = newhead.next newhead.val = data return phead.next