摘要:
环境 centos7,192.168.1.55 防火墙检查 systemctl status firewalld systemctl disable firewalld systemctl stop firewalld 开启路由转发 vim /etc/sysctl.conf #添加如下内容: net 阅读全文
摘要:
斐波那契递归实现 public static void fib(n){ if(n <= 0){ return n; }else{ return fib(n - 1) + fib(n - 2) } } 以fib(5)为例调用图如下: T(n) = O(0.5*2^n-1) = O(2^n) //指数阶 阅读全文