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I have modified my code to declare the struct as a class instead.

so now I have:



class AvlNode
{
int element;
AvlNode *left;

Yes, I see the problem now. Would this work if I just put the things in the struct in the public section of the AVL_Tree class and not use the struct so that I can create nodes from the class?

Yes, that's right. And perhaps I am doing this wrong. Is it possible to declare the AvlNode struct as if it were another class and then allow the AVL_Tree class access to the AvlNode?

I am trying to implement an AVL tree and have come up with the following code.
However, when I try the following, I get an error saying that AvlNode is undeclared.



int main()
{
AVL_Tree...

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Thanks, that did it.

Here is the loop:



int poly, argument, coefficient, exponent;
char colon = ':';
char assignment = '=';
char multiply = '*';

while(INPUTFILE && INPUTFILE.peek() != EOF)

Assuming the line is :

show 0

I expect the program to enter this block because the istringstream did indeed contain a line containing show and some integer. But it does not enter that block of...

I am confused now because I have a line like:

2 : 3 2 1 0

and a char object called colon assigned with ':'

when I test the following block of code, everything works as I think...

I have a question about istringstream. My inputfile has a line like:

show 2

and I have a string s and I assign it the string "show". I also have an int poly.

shouldn't this statement work?

Oh yes. But I did that to test to see If I could determine what was being executed and what was not. I even tried while (size >0) and for some reason, the for loops are not being executed.

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