d:\program files (x86)\visual c 6.0\common\msdev98\bin\1.cpp(2) : fatal error C1083: Cannot open include file: 'iostream': No such file or directory Error executing cl.exe. 1.exe - 1 error(s), 0 warning(s)这是什么意思啊？？
#include <stdlib.h>
#include <iostream>
using namespace std;
namespace A
{
int X=1;
void fun()
{
cout << "A"<< endl;
}
}
namespace B
{
int X=2;
void fun()
{
cout<<"B"<<endl;
}
}
int main(void)
{
cout<<A::X<<endl;
B::fun();
system ("pause");
return 0;
}
