The Ball And Cups At the end of a busy day, The Chef and his assistants play a game together. The game is not just for fun but also used to decide who will have to clean the kitchen. The Chef is a Game Master, so his concern is how to manage the game
Problem H. Cups and Beans 2017.8.11 原题: There are N cups numbered 0 through N − 1. For each i(1 ≤ i ≤ N − 1), the cup i contains Ai beans,and this cup is labeled with an integer Ci.Two people will play the following game:• In each turn, the player ch
在ubuntu17.04环境下使用nmap扫描自己机器,发现631端口处于开启状态,将其输入到浏览器,可以看出是网络打印机的服务: 这个端口开着总是那么的刺眼,(5.12全球爆发的勒索病毒让人不寒而栗,病毒利用了windows系统的445端口进行感染),安全起见,平时学习过程中,并不会使用到网络打印机,因此决定关闭该端口. 在开机时使用的/etc/init文件下的脚本中有一个cups.conf,将其打开,可以发现其中有三行内容如下: start on (filesystem and (start
本人使用的ubuntu10.10每次开机时使用nmap扫描127.0.0.1的时候总是能发现一个631端口开启,在/etc/services找到631端口是网络打印机服务,但对于我一个普通用户来说这根本就不需要,于是到网上去搜索,发现631端口对应的程序是cups,但是不敢卸载,因为网上有人说这个服务有很多包被其它程序所依赖.所以卸载了可能会有麻烦,在手动sudo service cups stop后到是能暂时起到效果,但下次开机时它还会开启,于是想到了在开机时加一条这样的命令试图达到开机停止该
打印机 fail to connect to server cups 服务器错误兆芯 打印机 连不上了####message可知 服务fail## systemd: cups.service failed.#### vim /var/log/messages Jun 17 14:08:36 10 cupsd: No valid Listen or Port lines were found in the configuration file. Jun 17 14:08:36