题解 | #删除有序链表中重复的元素-I#
删除有序链表中重复的元素-I
https://www.nowcoder.com/practice/c087914fae584da886a0091e877f2c79
/**
* struct ListNode {
* int val;
* struct ListNode *next;
* ListNode(int x) : val(x), next(nullptr) {}
* };
*/
class Solution {
public:
ListNode* deleteDuplicates(ListNode* head) {
auto fast = head, slow = head;
while (fast) {
while (fast && fast->val == slow->val) fast = fast->next;
slow->next = fast;
slow = slow->next;
}
return head;
}
};
