struct ListNode* deleteDuplicates(struct ListNode* head ) {
if(head == NULL)
return NULL;
struct ListNode* cur = head;
while(cur->next)
{
struct ListNode* next = cur->next;
if(cur->val == next->val)
{
cur->next = next->next;
free(next);
}
else
{
cur = cur->next;
}
}
return head;
}

京公网安备 11010502036488号