链表-remove duplicates from sorted list

struct ListNode* deleteDuplicates(struct ListNode* head) {
    struct ListNode *p=head;
    if(!head)
        return head;
    while(p&&p->next)
    {
        if(p->val==p->next->val)
            p->next=p->next->next;
        else
            p=p->next;
    }

    return head;

}

要注意考虑1->1->1这种情况，第一个1要和后面比较多次。

时间： 2024-12-06 21:23:29

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