Re: Strange processing!!

Hi Rick
with Borland C++ Builder 
setting a=5 and 
b= ++a + ++a + ++a; 
I get b=24 
because the last value of a is 8 and 
b will be evaluted after three incrementation of a;

Best regards

--- Rick <[email protected]> wrote:

> Weird! I ran the same program, and also go 22 as a
> result (both times).
> 
> I use Windows XP and MSVC++ 6.0
> 
> NB: The ":-" is used frequently in Europe and the 
> UK where, in the US, we only use ":". So he was 
> specifying the result as 21, not -21.
> 
> ~Rick
> At 2006-03-14 09:46 AM, you wrote:
> 
> >Hi Viorel,
> >Look at Anuj's problem again: In one situation he
> is initializing b, in
> >the other the
> >same expression is used to change an already
> initialized b. Both use the
> >expression
> >
> >++a + ++a + ++a
> >which with a starting at 5 should equal 6 + 7 +
> 8...so why in the second
> >example
> >is b set to 54? (Anuj you show the outputs as :-21
> and :-54 are yours being
> >printed out as negative numbers?)
> >
> >Just a sec, lemme write a short program myself and
> see if I have the
> >same problem as
> >Anuj...
> >
> >
> >===================
> >void first(void) {
> >
> >int a = 5, b= ++a + ++a + ++a;
> >
> >printf("first %d \n",b);
> >}
> >
> >void second(void) {
> >int a = 5, b=0;
> >
> >b = ++a + ++a + ++a;
> >printf("second %d \n",b);
> >}
> >
> >
> >int main (void) {
> >
> >first();
> >second();
> >
> >return 0;
> >}
> >===================
> >
> >When compiled and run I get:
> >
> >first 22
> >second 22
> >
> >in both gcc under linux (slackware 3.6) and windows
> 98 (Microsoft visual
> >c/c++ v6.0)
> >well at least I get the same number.. 22?
> >
> >
> >
> >
> >Viorel ANUSCA wrote:
> > > Hi Anuj,
> > >
> > > that it is beaucause:
> > >
> > >
> > > ­++n increments n before its value is used
> > >
> > >
> > >
> > > and you have: b = x1+x2+x3 = 6+7+8 = 21
> > >
> > > Best,
> > > Viorel
> > >
> > >
> > > anuj gupta <[email protected]> a écrit :
> > > Hi All,
> > > This is Anuj,an MCA std from India.
> > > I tried the following 2 progs, both resulted in
> > > different outputs. But i don't understand the
> REASON
> > > behind them.
> > >
> > > 1.
> > > int a=5, b = ++a + ++a + ++a;
> > > printf("%d",b);
> > > OUTPUT :- 21
> > >
> > > 2.
> > > int a=5, b;
> > > b = ++a + ++a + ++a;
> > > printf("%d",b);
> > > OUTPUT :- 54
> > >
> > > Even if i use Macro expansion instead of writing
> the
> > > whole expression, even then the result is same.
> > > If anyone out there can help me out it'll be a
> big
> > > help.Thank you.
> > >
> > >
> > >
> > >
>
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