203. Remove Linked List Elements (List)
Remove all elements from a linked list of integers that have value val.
Example
Given: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6
Return: 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* newHead = new ListNode();
newHead->next = head;
ListNode* pre = newHead;
ListNode* cur = head; while(cur){
if(cur->val == val){
pre->next = cur->next;
}
else{
pre = pre->next;
}
cur = cur->next;
}
return newHead->next;
}
};
203. Remove Linked List Elements (List)的更多相关文章
- leetcode 203. Remove Linked List Elements 、83. Remove Duplicates from Sorted List 、82. Remove Duplicates from Sorted List II(剑指offer57 删除链表中重复的结点)
203题是在链表中删除一个固定的值,83题是在链表中删除重复的数值,但要保留一个:82也是删除重复的数值,但重复的都删除,不保留. 比如[1.2.2.3],83题要求的结果是[1.2.3],82题要求 ...
- 203. Remove Linked List Elements【easy】
203. Remove Linked List Elements[easy] Remove all elements from a linked list of integers that have ...
- 203. Remove Linked List Elements - LeetCode
Question 203. Remove Linked List Elements Solution 题目大意:从链表中删除给定的数 思路:遍历链表,如果该节点的值等于给的数就删除该节点,注意首节点 ...
- 【LeetCode】203. Remove Linked List Elements
Remove Linked List Elements Remove all elements from a linked list of integers that have value val. ...
- 【刷题-LeetCode】203. Remove Linked List Elements
Remove Linked List Elements Remove all elements from a linked list of integers that have value *val* ...
- Java for LeetCode 203 Remove Linked List Elements
Remove all elements from a linked list of integers that have value val. Example Given: 1 --> 2 -- ...
- 203. Remove Linked List Elements
Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --& ...
- (easy)LeetCode 203.Remove Linked List Elements
Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --& ...
- Java [Leetcode 203]Remove Linked List Elements
题目描述: Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> ...
- [LeetCode] 203. Remove Linked List Elements 解题思路
Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --& ...
随机推荐
- centos7.5安装minikube kubernetes
前提:已安装centos7.5安装VirtualBox Minikube是什么?Minikube是一种方便在本地运行Kubernetes的工具. Minikube 是可以在VM中运行单节点的Kuber ...
- java reflect反射获取方法变量参数
类的成员包含变量(Field),方法(Method),构造器(Constructor) 类定义 package Reflect; public class MyTest { public int a; ...
- delphi’线程新技术 并行计算
TParallel TInterLocked 并行库中的TTask http://docwiki.embarcadero.com/Libraries/Berlin/en/System.Threadin ...
- WPF中TextBox文件拖放问题
在WPF中,当我们尝试向TextBox中拖放文件,从而获取其路径时,往往无法成功(拖放文字可以成功).造成这种原因关键是WPF的TextBox对拖放事件处理机制的不同,具体可参考这篇文章Textbox ...
- AS3 - 对文件和目录的操作
1,写入到文件 1 2 3 4 5 var fileObj:File = File.documentsDirectory.resolvePath("hangge.txt"); va ...
- APP-6-百度地图导航
1.代码部分 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <me ...
- jwt-auth错误小结
我用的是:"tymon/jwt-auth": "1.0.0-rc.1" 根据官方网站http://jwt-auth.readthedocs.io安装,并且ven ...
- Tcp连接的七次握手浅析
LINUX 查看tcp连接数及状态 # netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}' TIME_WAIT 8 ...
- python实现查找算法:二分查找法
二分查找算法也称折半查找,基本思想就是折半,和平时猜数字游戏一样,比如猜的数字时67,猜测范围是0-100,则会先猜测中间值50,结果小了,所以就会从50-100猜测,中间值为75,结果大了,又从50 ...
- ANg-梯度下降算法
概念 为了解决线性回归问题,我们也用梯度下降算法. 算法逻辑如下: 对于线性回归模型中例子,梯度下降可以如下: 算法 实际上梯度下降可有通过求导.这里的符号":="是赋值的含义 有 ...