题目

remove-duplications-from-sorted-list

算法

* 直接模拟

代码

* 直接模拟

class Solution {
public:
    ListNode *deleteDuplicates(ListNode *head) {
        if (!head || !head->next) return head;

        ListNode *start = head;
        while (start && start->next) {
            if (start->val == start->next->val) {
                ListNode *tmp = start->next;
                start->next = start->next->next;
                delete tmp;
            } else start = start->next;
        }
        return head;
    }
};