/**
* 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 -> val ==val) return head -> next;
ListNode* cur = head;
ListNode* pre = head;
while (head != NULL) {
if (cur -> val == val) {
pre -> next = cur -> next;
return head;
}
pre = cur;
cur = cur -> next;
}
return head;
}
};
* 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 -> val ==val) return head -> next;
ListNode* cur = head;
ListNode* pre = head;
while (head != NULL) {
if (cur -> val == val) {
pre -> next = cur -> next;
return head;
}
pre = cur;
cur = cur -> next;
}
return head;
}
};