相关疑难解决方法(0)

我在某处读到我需要安装“构建基本打包程序”，所以我尝试了：

sudo apt-get install build-essential 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
build-essential is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

但是该文件仍然无法编译或运行...

gcc -Wall -W -Werror factorial.cpp -o factorial.

给我：

gcc -Wall -W -Werror factorial.cpp -o factorial.
factorial.cpp:3:22: fatal error: iostream.h: No such file or directory
compilation terminated

这是我的一段代码：//WAP 演示用于计算阶乘的静态成员

    #include<iostream.h>    
    #include<conio.h>
class fact
{
int i;
    static int count;
    public : 
    void calculate()
    {
        long int …