application wont launch on fresh Xp

This is a discussion on application wont launch on fresh Xp within the C++ Programming forums, part of the General Programming Boards category; Right so i tryed to dable in c++ a while back but lost my footing at the start and am ...

  1. #1
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    application wont launch on fresh Xp

    Right so i tryed to dable in c++ a while back but lost my footing at the start and am now trying to regain some skill....

    so yes..i started right at the begining..on a fresh install of Xp with SP2.. but ive compiled my program and it just flashes up on screen and disappears when i try to run it....

    Code:
     
    #include <iostream>
    
    int main()
    {
        std::cout << "oldest code ever...!\n";
        return 0;
    }
    any ideas?

    khris

  2. #2
    MFC killed my cat! manutd's Avatar
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    After the std::cout line insert std::cin.get().
    Silence is better than unmeaning words.
    - Pythagoras
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    yes i see...otherwise the program has nothing to stay open for... cheers

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    another one for you...

    this is the code i get from a tutorial website:
    Code:
     #include <iostream.h>
     int main()
     {
          int x = 5;
          int y = 7;
          cout "\n";
          cout << x + y << " " << x * y;
          cout "\n";
          return 0;
     }
    this hasnt a hope of workign on my pc... im not sure if this is because of the compiler or not...
    but if i put this :
    Code:
    #include <iostream>
    int main()
    {
        int x = 5;
        int y = 7;
        std::cout "\n";
        std::cout << x + y << " " << x * y;
        std::cout "\n";
        return 0;
    }
    it nearly works...apart from compiler says it expects ; before string constant..... i dont no where to go now.....

    khris

  5. #5
    and the hat of int overfl Salem's Avatar
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    > im not sure if this is because of the compiler or not
    Nah, just an old website teaching old C++, where your compiler accepts new C++.

    One of the major differences in source code is the use of namespaces, such as the std:: you have in front of your cout calls.

    > std::cout "\n";
    Try std::cout << "\n";
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
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  6. #6
    MFC killed my cat! manutd's Avatar
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    Also try
    Code:
    cout << endl << x + y << " " << x * y << endl;
    Then remove the cout << "\n".
    Silence is better than unmeaning words.
    - Pythagoras
    My blog

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    yep that works now.. so its going to be an effort in itself learning from this site.... hmm...might look around for somewhere else...

    cheers,
    khris

  8. #8
    MFC killed my cat! manutd's Avatar
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    Pick up a good book.
    Silence is better than unmeaning words.
    - Pythagoras
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  9. #9
    Its hard... But im here swgh's Avatar
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    One of the problems with online tutorials is the fact some of them are pre-standard. ie: teaching older syntax than more compliant compilers would cough errors up at. The tutorial on this site is a good one and uses modern syntax so perhaps try there. Or do as manutd suggested about the book. Oh, and stay away from herb stuilt books ( spelling ?) he is awful.
    I'm just trying to be a better person - My Name Is Earl

  10. #10
    MFC killed my cat! manutd's Avatar
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    schildt?
    Silence is better than unmeaning words.
    - Pythagoras
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  11. #11
    Its hard... But im here swgh's Avatar
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    >>schildt?

    Yeah thas the guy. I used to own one of his books. Waste of money reading about buggy code and poor practices.
    I'm just trying to be a better person - My Name Is Earl

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