简单题 #include <bits/stdc++.h> using namespace std; const int maxn=110; string s[maxn]; int main() { // freopen("data.in","r",stdin); ios::sync_with_stdio(false); int N; while (cin>>N) { int maxlen=-1; for (int i=0;i<N;i++…
Unix ls The computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced along with the new computer. Your assignment is to write the formatter for the ls function. Your…
The computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced along with the new computer. Your assignment is to write the formatter for the ls function. Your progra…
The computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced along with the new computer. Your assignment is to write the formatter for the ls function. Your program wi…
一开始没怎么看懂题目,原来就是M字符就是这一列的宽度为M个字符,包括空格. #include<iostream> #include<algorithm> #include<string> using namespace std; int main() { ]; int n; while (cin >> n) { int cols, rows; ; ; i < n; i++) { cin >> filename[i]; M = max(M,…
转自http://get.jobdeer.com/493.get 1. tar command examples Create a new tar archive. $ tar cvf archive_name.tar dirname/ Extract from an existing tar archive. $ tar xvf archive_name.tar View an existing tar archive. $ tar tvf archive_name.tar More tar…
Welcome to Linux world! Introduction and Basic commands--Part one J.C 2018.3.11 Chapter 1 What Is Linux? Linux is a Unix-like open source operating system. At the core of the operating system is the Linux kernel. It acts as the intermediary between t…
查看共享内存打开的文件数 [root@db2 ~]# lsof -n | grep /dev/shm | wc -l 34693 共享内存中总共文件数 [root@db2 ~]# ls -l /dev/shm | wc -l 495 Why is Oracle keeping hundreds of thousands Open File descriptors in /dev/shm while there are just hundreds of files ? 解释: 查看每个进程打开的文…