hi i am having trouble understanding that what is the difference between having class xxx { } in the .h file and not having it?

say i have these two code, can anyone tell me the difference?
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thank Stack,

all the information was helpful.

For the second question, the makeNode() one, I am really confused now. Please forget about what I asked in first post.

Here is part of my .h...

gcc is also a good choice for c++ compiler

This isn't too hard if I dont misunderstand the question.
Just give the example of first line,
cout << "amount of blah used ----------------------------- " << money << " blah." << endl;

I didn't look thru your code but I can give you some basic ideas here.
Most of time, you have your main() in a seprated file, and just include the .h you are gonna use in the header, usually you...

ok, here are the questions.

QUESTION NO. 1:
I am asked to build a complete binary tree using linked list. According to my knowledge, you are not able to sort the tree with a complete binary tree...