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 //有序链表删除重复元素,遍历直接删除就好了 if(head == nullptr ||head->next == nullptr) return head; ListNode* p = head; //唯一要注意的就是删除结点后不要移动p结点。 while(p->next != nullptr) { if(p->val == p->next->val) { ListNode* del = p->next; p->next = p->next->next; delete del; continue; } p = p->next; } return head; } };