当前位置:网站首页>How to improve the deletion speed of sequential class containers?
How to improve the deletion speed of sequential class containers?
2022-07-06 12:43:00 【Brother, between mountains and rivers】
for example vector
1.iterator_swap Swap what the two iterators point to ( One of them points to the element to be deleted , Another one points to the last element of the container )
2. After the exchange ,pop_back End element .
The algorithm complexity of the above method is O(1), After deleting one of the elements , Lead to a large number of elements , Problems that need to move forward .
边栏推荐
- Important methods of array and string
- Idea problem record
- Gateway fails to route according to the service name, and reports an error service unavailable, status=503
- Redis based distributed locks and ultra detailed improvement ideas
- [Leetcode15]三数之和
- Gravure sans fil Bluetooth sur micro - ordinateur à puce unique
- Particle system for introduction to unity3d Foundation (attribute introduction + case production of flame particle system)
- MySQL時間、時區、自動填充0的問題
- (三)R语言的生物信息学入门——Function, data.frame, 简单DNA读取与分析
- 如何给Arduino项目添加音乐播放功能
猜你喜欢
NRF24L01故障排查
Unity3d makes the registration login interface and realizes the scene jump
Common properties of location
Intermediate use tutorial of postman [environment variables, test scripts, assertions, interface documents, etc.]
FairyGUI增益BUFF数值改变的显示
The master of double non planning left the real estate company and became a programmer with an annual salary of 25W. There are too many life choices at the age of 25
ORA-02030: can only select from fixed tables/views
程序设计大作业:教务管理系统(C语言)
Compilation principle: preprocessing of source program and design and implementation of lexical analysis program (including code)
Types de variables JS et transformations de type communes
随机推荐
Unity场景跳转及退出
[golang] leetcode intermediate - fill in the next right node pointer of each node & the k-smallest element in the binary search tree
记一次云服务器被密码爆破的经历——关小黑屋、改密码、改端口
Single chip Bluetooth wireless burning
Gateway fails to route according to the service name, and reports an error service unavailable, status=503
FairyGUI增益BUFF数值改变的显示
dosbox第一次使用
单片机蓝牙无线烧录
[leetcode19] delete the penultimate node in the linked list
Custom view puzzle getcolor r.color The color obtained by colorprimary is incorrect
Expected value (EV)
[Offer18]删除链表的节点
Who says that PT online schema change does not lock the table, or deadlock
MySQL时间、时区、自动填充0的问题
MySQL error warning: a long semaphore wait
Office prompts that your license is not genuine pop-up box solution
idea中导包方法
Gateway 根据服务名路由失败,报错 Service Unavailable, status=503
Intermediate use tutorial of postman [environment variables, test scripts, assertions, interface documents, etc.]
MySQL replacement field part content