1 struct ListNode {

 2     int val;

 3     ListNode *next;

 4     ListNode(int x) : val(x), next(NULL) {}

 5 };

 6

 7 class Solution {

 8 public:

 9     void deleteNode(ListNode* node) {

10

11         if( node == NULL )

12             return;

13

14         if( node->next == NULL){

15             delete node;

16             node = NULL;

17             return;

18         }

19

20         node->val = node->next->val;

21         ListNode* delNode = node->next;

22         node->next = delNode->next;

23

24         delete delNode;

25

26         return;

27     }

28 };