实现一种算法,删除单向链表中间的某个节点(除了第一个和最后一个节点,不一定是中间节点),假定你只能访问该节点。
示例:
输入:单向链表a->b->c->d->e->f中的节点c 结果:不返回任何数据,但该链表变为a->b->d->e->f
把 node 的下一个节点的值赋给 node,然后改变 node 的 next 指向。
# Definition for singly-linked list.
# class ListNode:
# def __init__(self, x):
# self.val = x
# self.next = None
class Solution:
def deleteNode(self, node):
"""
:type node: ListNode
:rtype: void Do not return anything, modify node in-place instead.
"""
node.val = node.next.val
node.next = node.next.next
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
class Solution {
public void deleteNode(ListNode node) {
node.val = node.next.val;
node.next = node.next.next;
}
}
/**
* Definition for singly-linked list.
* function ListNode(val) {
* this.val = val;
* this.next = null;
* }
*/
/**
* @param {ListNode} node
* @return {void} Do not return anything, modify node in-place instead.
*/
var deleteNode = function (node) {
node.val = node.next.val;
node.next = node.next.next;
};