thank you dave and amit...
On Wed, Aug 10, 2011 at 8:36 PM, Dave <dave_and_da...@juno.com> wrote:
> @Ayswarya: In twos-complement arithmetic, -x = ~x + 1, so
>
> a + ~b + 1 = a +(~b +1) = a + (-b) = a - b.
>
> Dave
>
> On Aug 10, 9:23 am, Ayswarya Srinivasan <krsayswa...@gmail.com> wrote:
> > can someone explain how this works-
> > *
> > *
> > *void* *main*(){
> > *int* a,b,d;
> > scanf("%d%d",&a,&b);
> > d=a+~b+1;
> > printf("%d",d);
> > getch();
> >
> > }
> >
> > say if a=5 b=6 then
> > output is -1
> >
> > if ~ is one's complement operator
> > then
> > a=0101
> > ~b=1001
> >
> > d= 0101+1001+1. which is not -1
> >
> > can someone explain how it works.
> >
> > --
> >
> > Regards,
> > Ayswarya S
>
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--
Regards,
Ayswarya S
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