Leetcode 237 Delete Node in a Linked List 链表

如题 删除是要注意让现在的链表等于下一个链表的值

 class Solution {
 public:
     void deleteNode(ListNode* node) {
         ListNode *nextnode = node ->next;
         *node = *nextnode;
         node->next = nextnode ->next;
         delete nextnode;
     }
 };