Too fast to test!

This is a discussion on Too fast to test! within the C++ Programming forums, part of the General Programming Boards category; I compiled this with the Digital Mars compiler: Code: #include <iostream.h> int main() { cout<<"HEY, you, I'm alive! Oh, and ...

  1. #1
    The Defective GRAPE Lurker's Avatar
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    Exclamation Too fast to test!

    I compiled this with the Digital Mars compiler:
    Code:
    #include <iostream.h>
    
    int main()
    
    {
    
      cout<<"HEY, you, I'm alive!  Oh, and Hello World!";
    
      return 0;    
    
    }
    And it compiles perfectly, however, when I run the test.exe program, it opens command prompt and closes it before I can see the results! Also, what are the .map and .obj files it creates? Can I delete those without error? Any help appreciated, thanks!

  2. #2
    Registered User abrege's Avatar
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    Theres nothing that keeps it open. Try this..
    Code:
    #include <iostream>
    #include <conio.h>
    using namespace std;
    
    int main()
    {
         cout << "Hello world yadda yadda yadda";
         getch();
    
         return 0;
    }
    I am against the teaching of evolution in schools. I am also against widespread
    literacy and the refrigeration of food.

  3. #3
    Code Goddess Prelude's Avatar
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    >getch();
    Why does everyone insist on using a nonportable construct for something so simple?
    Code:
    #include <iostream>
    
    int main()
    {
      std::cout<<"Hello, world!"<<std::endl;
    
      std::cout<<"Press return to continue"<<std::flush;
      std::cin.get();
    }
    You do realize that when the computer asks for any key to be pressed, the most common action is to hit return? In that case the effect of getch taking anything is wasted, so it would be better to lose a little flexibility that isn't often used and improve portability.

    -Prelude
    Last edited by Prelude; 03-05-2003 at 09:03 AM.
    My best code is written with the delete key.

  4. #4
    End Of Line Hammer's Avatar
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    For future reference, check this for answers to common questions.
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

  5. #5
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    i use dev-c++

    i don't know if it works with other compilers
    so heres the code

    PHP Code:
    system ("pause"); 
    if x == y , y == x

  6. #6
    Code Goddess Prelude's Avatar
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    >i don't know if it works with other compilers
    It depends on whether or not "pause" is a system command for that machine.

    -Prelude
    My best code is written with the delete key.

  7. #7
    ! |-| /-\ +3 1337 Yawgmoth's Avatar
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    Originally posted by gamer
    i use dev-c++

    i don't know if it works with other compilers
    so heres the code

    PHP Code:
    system ("pause"); 
    You have to #include <stdlib.h> too.
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  8. #8
    Code Goddess Prelude's Avatar
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    >You have to #include <stdlib.h> too.
    You mean <cstdlib>, <stdlib.h> isn't a C++ header.

    -Prelude
    My best code is written with the delete key.

  9. #9
    ! |-| /-\ +3 1337 Yawgmoth's Avatar
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    I'm pretty sure it's <stdlib.h>. Unless I've been using a non C++ header in all my C++ programs.
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  10. #10
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    This is easy.
    Code:
    #include <iostream.h>
    
    int main()
    
    {
    
      cout<<"HEY, you, I'm alive!  Oh, and Hello World!";
    // i added line below
    cin >> hold;
      return 0;    
    
    }
    Add a cin>>hold; above return 0; and that should do it.

  11. #11
    Code Goddess Prelude's Avatar
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    >Unless I've been using a non C++ header in all my C++ programs.
    You have. Many implementations support the C headers since that is what C++ used to use. However, those headers are now no longer part of the language proper.

    >Add a cin>>hold; above return 0; and that should do it.
    Where do you define hold, and why do you even need a variable? See my first post on this thread.

    -Prelude
    My best code is written with the delete key.

  12. #12
    ! |-| /-\ +3 1337 Yawgmoth's Avatar
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    No longer part of the language proper? Does that mean they're like void main()?
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  13. #13
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    void main() never was part of the language afaik, nor was it part of C;
    with regards to <stdlib.h> that was C, but it is only included in C++ for backwards-compatibility. (I believe?)
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