Programmer Group

Title Link: (bzoj) https://www.lydsy.com/JudgeOnline/problem.php?id=4386 (luogu) https://www.luogu.org/problemnew/show/P3597 Why can't I do this? First of all, if all the edge weights are \ (1 \), a new counter will be created, with each point connected to the counter and the counter connected to the self loop. Then the adjacent matrix can be m ...

Top and bottom fixed height, middle adaptive <div class="body"> <div class="header"></div> <div class="section"> <div class="left"></div> <div class="right"></div> </div> <div class="footer"></div> </div> 1.position positioning ...

I. experimental requirements 1. The backup machine needs to synchronize all files under the / app/java_project directory of the MIS server at 1:03 a.m. every day. 2. It is required to record the synchronization log to facilitate the analysis of synchronization failure. II. Task analysis 1. Use crontab to write scheduled tasks 2. Use rsync for r ...

Original title: http://acm.hdu.edu.cn/contests/contest_showproblem.php?pid=1002&cid=848 Title: Give an array of n numbers with two operations Select some numbers in [l,r][l,r][l,r] to maximize exclusive or and output the maximum value; Insert a number after the array. Analysis: If you choose some ...

Log rotate is installed by default on Linux system, and the default configuration file is: /etc/logrotate.conf /etc/logrotate.d/ logrotate.conf: primary configuration file logrotate.d: to configure the relevant subsystem to isolate each application configuration (Nginx, PHP, Tomcat...) It is used to solve the problem that individual log files a ...

To use Swoole in ThinkPHP, you need to install the think Swoole composer package, provided that the system has installed the Swoole PECL extension. To install think swoole, execute the composer command in the project root directory of tp5: composer require topthink/think-swoole If you don't say much, go straight to the code: To create a WebSock ...

1004.Vacation Delivery: http://acm.hdu.edu.cn/showproblem.php?pid=6581 There are $n $cars in front of you at an intersection. Give the length of each car, the distance from the intersection, and the maximum speed of each car. Ask these $n+1 $cars to pass by, and ask how long it took your car to cross the intersection. Data range: $1 < = n ...

After using the habit of jFinal, spring forgot... Take another note here The project structure is as follows First of all, I used maven of IDEA to process mybatis used by the database framework here. The database is mariadb, and I used FASTJSON when I used json to transfer data to the front desk. <?xml version="1.0" encoding="UTF-8"? ...

Codeforces 718A Efim and Strange Grade program analysis jerry's program using namespace std; typedef long long ll; string buf; int i; void up(int at) { at--; if (at < 0) { buf = '1' + buf; i++; return; } if (buf[at] == '.') at--; buf[at]++; if (buf[at] == '9'+1 ...

Interface specification /** * initialization *@ param serverIP required parameter server address *@ param serverPort required parameter server port *@ param softVersion required parameter REST version number */ REST($serverIP,$serverPort,$softVersion) /** *Set primary account * *@ param AccountSid master account *@ param ...