题解 | #删除链表的节点#
删除链表的节点
https://www.nowcoder.com/practice/f9f78ca89ad643c99701a7142bd59f5d
/** * struct ListNode { * int val; * struct ListNode *next; * ListNode(int x) : val(x), next(nullptr) {} * }; */ class Solution { public: /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param head ListNode类 * @param val int整型 * @return ListNode类 */ ListNode* deleteNode(ListNode* head, int val) { // write code here ListNode* start = new ListNode(-1); // 造一个不存实际数值的头结点,然后遍历查找 start->next = head; head = start; for (auto i = head; i; i = i->next) { auto p = i->next; if (p->val == val) { i->next = p->next; break; } } return head->next; } };