指尖的摩擦-优快云博客

原创 Socket TCP 通信简要讲解

一、Socket理解1、在Tcp/IP协议中，Socket即为套接字，简单点来说，就是用来唯一标识网络通讯中的一个进程。为“IP地址+TCP或UDP端口号”，这个标识的全部组成，就叫做套接字2、在TCP协议中，客户端和服务器端，各自会生成一个套接字来将两个进程连接起来。那么这个Socket Pair 就用来唯一标识这个连接3、Socket 可以形象用来形容网络中一对一的关系，所以在TCP/IP协议中，应用层编程接口称为Socket API...

2021-07-13 17:36:20 3823 1

原创简单计算器(HDU1237)

简单计算器Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31217 Accepted Submission(s): 11358Problem Description读入一个只包含 +, -, *, / 的非负整数计算表达式，...

2019-08-17 16:33:11 275 1

原创 0-1背包问题

0-1背包问题经常写算法的同学肯定遇到的比较，也是一个老生常谈的问题，我们还是简单介绍一下：给定n中物品和一个背包，物品i的重量是wi，其价值为vi，背包的容量为c，我们要如何选择才能使得装入背包的物品的价值最大，而且在选择物品时只有两种中选择，装入和不装入。I NEED A OFFER!Time Limit: 2000/1000 MS (Java/Others) Memory Lim...

2019-08-12 20:58:38 222

原创整除的尾数

整除的尾数Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 55960 Accepted Submission(s): 23791Problem Description一个整数，只知道前几位，不知道末二位，被另一个整数除尽了，那...

2019-08-10 11:17:46 188

原创十六进制的算术运算

A + B时间限制：1000/1000 MS（Java / Others）内存限制：32768/32768 K（Java / Others）总提交内容：42060接受的提交内容：17144问题描述我们的HDOJ中肯定存在很多A + B问题，现在又出现了一个新问题。给你两个十六进制整数，你的任务是计算它们的总和，并以十六进制打印。输入输入包含几个测试用例，请处理到文件末尾。每个案例由...

2019-08-06 17:45:16 1609 1

原创考试排名

考试排名Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22997 Accepted Submission(s): 7824Problem DescriptionC++编程考试使用的实时提交系统，具有即时获得成绩排名的特点。它...

2019-08-06 11:58:05 327

原创求平均成绩

求平均成绩Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 192412 Accepted Submission(s): 42573Problem Description假设一个班有n(n<=50)个学生，每人考m(m&l...

2019-08-01 16:08:28 193

原创数列有序!

数列有序!Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 132298 Accepted Submission(s): 54392Problem Description有n(n<=100)个整数，已经按照从小到大顺序排列...

2019-07-31 22:43:14 291

原创 Text Reverse

Text ReverseTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45977 Accepted Submission(s): 17625Problem DescriptionIgnatius likes to write...

2019-07-29 22:17:15 185

原创第几天？

第几天？Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 224912 Accepted Submission(s): 78448Problem Description给定一个日期，输出这个日期是该年的第几天。Input输入...

2019-07-28 17:26:18 136

原创 Balloon Comes!

Balloon Comes!Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 41132 Accepted Submission(s): 15186Problem DescriptionThe contest starts no...

2019-07-27 16:15:40 370

原创 Ignatius's puzzle

Ignatius’s puzzleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12770 Accepted Submission(s): 8980Problem DescriptionIgnatius is poor at...

2019-07-27 14:52:14 209

原创 Lowest Bit

Lowest BitTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 15548 Accepted Submission(s): 11115Problem DescriptionGiven an positive integer...

2019-07-26 13:40:28 191

原创 Digital Roots

Digital RootsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 101241 Accepted Submission(s): 31456Problem DescriptionThe digital root of a...

2019-07-24 20:16:31 137

原创 Big Number

Big NumberTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 47282 Accepted Submission(s): 23263Problem DescriptionIn many applications very...

2019-07-24 01:01:55 138

原创 N！(大整数的乘法)

N!Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 99923 Accepted Submission(s): 29875Problem DescriptionGiven an integer N(0 ≤ N ≤ 100...

2019-07-22 20:34:02 319

原创 OJ上的Presentation Error

A+B for Input-Output Practice (VIII)Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 222083 Accepted Submission(s): 65417Problem Descriptio...

2019-07-21 17:33:31 923

原创 break和continue的作用

A+B for Input-Output Practice (III)Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 155709 Accepted Submission(s): 82210Problem Description...

2019-07-20 20:31:48 279

原创 Let the Balloon Rise

Let the Balloon RiseTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 164684 Accepted Submission(s): 65568Problem DescriptionContest time a...

2019-07-19 20:21:29 160

qq_42282577的博客