1、报错
UPGRADE INHIBITED
Upgrade has been inhibited due to the following problems:1. Inhibitor: Possible problems with remote login using root account#解决
sed -i s/#PermitRootLogin yes/PermitRootLogin yes/g /etc/ssh/sshd_configgrep…
题目描述:
给出了几个长度为n(n<20)的全排列,求某个全排列是否在上述的位置出现过。
代码:
package lanqiao;import java.util.*;public class Main{public static void main(String[] args) {Scanner sc new Scanner(System.in);int n sc.nextInt();int m …