quote:Original post by moose_2006
Try this:
--------------------------------------------
#include <iostream>
namespace std;

int main()
{
cout << "Hello world!" << endl;

return 0;
}
--------------------------------------------

  // Number 1:#include <iostream>int main(){    std::cout << "Hello, world!" << std::endl;    return 0;}// Number 2:#include <iostream>using namespace std;int main(){    cout << "Hello, world!" << endl;    return 0;}  

quote:Original post by Sneftel
. . .

quote:
ostream_type& write(const char_type* s, streamsize n );

Obtains characters to insert from successive locations of an array whose first element is designated by s. Characters are inserted until either of the following occurs:

n characters are inserted
Inserting in the output sequence fails

In the second case the function calls the basic_ios member function setstate(badbit). The function returns *this.