题解 | #JZ18 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 if (head ==NULL){ return NULL; } ListNode* newhead = new ListNode(-1); newhead->next = head; ListNode* cur = newhead; while(cur->next!=NULL){ if(cur->next->val == val){ cur->next = cur->next->next; return newhead->next; } cur = cur->next; } return newhead->next; } };