#include <iostream.h>
void main()
{
    double r,area;
    cout<<"hack:";
    cin>>r;
    area = 3.14159 * r *r;
    cout<<"booe:"<<area<<"\n";
}




新手入门，不晓得哪错了
--------------------Configuration: aaaaa - Win32 Debug--------------------
Compiling...
aaaaa.cpp
d:\vc++\aaaaa\aaaaa.cpp(13) : fatal error C1010: unexpected end of file while looking for precompiled header directive
Error executing cl.exe.

aaaaa.exe - 1 error(s), 0 warning(s)