标签:== struct div nod elements pre element delete lis
删除链表中等于给定值 val 的所有节点。
输入: 1->2->6->3->4->5->6, val = 6
输出: 1->2->3->4->5
/**
* Definition for singly-linked list.
* struct ListNode {
* int val;
* ListNode *next;
* ListNode(int x) : val(x), next(NULL) {}
* };
*/
class Solution {
public:
ListNode* removeElements(ListNode* head, int val) {
ListNode* cur = NULL;
while(head && head->val == val){
cur = head;
head = head->next;
delete cur;
}
cur = head;
ListNode* nxt = NULL;
if(head){
nxt = head->next;
}
while(nxt){
// cout<<nxt->val<<endl;
if(nxt->val == val){
cur->next = nxt->next;
delete nxt;
nxt = cur->next;
}else{
cur = nxt;
nxt = nxt->next;
}
}
return head;
}
};
leetcode 203. 移除链表元素(Remove Linked List Elements)
标签:== struct div nod elements pre element delete lis
原文地址:https://www.cnblogs.com/zhanzq/p/10566059.html