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; * }; */ class Solution { public: /** * * @param head ListNode类 * @return ListNode类 */ ListNode* deleteDuplicates(ListNode* head) { // write code here //返回空链表 if(head == nullptr) return head; ListNode *tem = head; //遍历指针 while(tem->next != nullptr){ if(tem->val == tem->next->val){ //若重复,则改变指针指向,跳过重复元素 tem->next = tem->next->next; }else{ tem = tem->next; } } return head; } };