stack

This is a discussion on stack within the C++ Programming forums, part of the General Programming Boards category; I have a problem that is probably something very simple I'm overlooking. I am trying to build a stack and ...

  1. #1
    Registered User
    Join Date
    Dec 2001
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    38

    stack

    I have a problem that is probably something very simple I'm overlooking. I am trying to build a stack and output it. It is compiling, but gives an error that isn't related to my main before it runs. I'm using the header <stack.h> and here is the way I'm trying to use it.
    #include <iostream.h>
    #include <stack.h>
    void main()
    {
    Stack<int> s;
    for (int i = 0;i<5;i++)
    s.push(i);
    cout<<s;
    }

    I'm doing something wrong, and I can't figure out what. If someone could show me an example of how to use the stack.h file, it would be greatly appreciated.
    SilasP

  2. #2
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    Dec 2001
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    28
    I guess it should be "stack", not "Stack".

  3. #3
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    Guest
    depending on which compiler you are using and what version of stack header file you are using (STL stack class versus your own stack class), there are several possibilities. If you have an up to date compiler you may need to drop the .h's and use a namespace as suggested my Manish. You also may need to use lower case s in the type indicator when declaring stack s. Then you go to output the value of s, you can't do it all at once like you try. You need to do it one element at a time, just like you do an array. The only difference between a generic stack and an array is that with an array you can add and remove randomly, whereas with a stack the last item you added must be the first item you remove. In the STL stack class I believe the [] operator is overloaded so you can access the elements of the stack just like you would the elements of an array.

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