--- In [email protected], Thomas Hruska <[EMAIL PROTECTED]> wrote:
>
> whm692003 wrote:
> > Hi,
> >
> > This is my first post so please dont flame immediately!
> >
> > Can anyone lend any insight as to the possible answers for the
> > following questions?
> >
> > Thanks!
> >
> > ~ Wm
> >
> > 1. explain the running time and space boundaries of the following
> > function:
> > int fib(int n) {
> > if(n==1 || n==2) {
> > return 1;
> > } else {
> > return fib(n-1) + fib(n-2);
> > }
> > }
>
> Don't do this. Recursive functions have the tendency to overflow
the
> stack. Best case: The application crashes. Worst case: You
create an
> exploitable security vulnerability.
>
>
> > 2. explain how to use this structure, with special emphasis on
the
> > levels[0] member.
> > struct MESSAGE (CMEBookUpdate, CMEMessage) {
> > struct Level {
> > Price buyPx;
> > Price sellPx;
> > int buyQuantity;
> > int sellQuantity;
> > int buyNumOrders;
> > int sellNumOrders;
> > };
> > enum { MaxLevels = 6 };
> > char tradingOrigin; // B=Book
> > char tradingMode; // 0=Preopening 1=Opening
> > 2=Continuous
> > bool bookChanged[MaxLevels];// Has the N-th best order
> > changed?
> > Level levels[0]; // one level is present for
each
> > true in bookChanged
> > };
>
> Don't do this either. levels[] indicates some sort of dynamically
sized
> chunk of memory. Use Safe C++ Block or C++ std::vector to manage
this
> sort of data instead of exceeding structure boundaries like this.
>
> --
> Thomas Hruska
> CubicleSoft President
> Ph: 517-803-4197
>
> *NEW* MyTaskFocus 1.1
> Get on task. Stay on task.
>
> http://www.CubicleSoft.com/MyTaskFocus/
>
Hi ,
could you please describe folloeing line ?
=> struct MESSAGE (CMEBookUpdate, CMEMessage) {
can we define a structure like that?
REPLY ME
Devesh
