i guess the output is fff0

-1 = 0000 0000 0000 0001
      taking 1's complement
       1111 1111 1111 1110
     taking 2's complement
      1111 1111 1111 1111
-1<<4
left shifting 4 bits
      1111 1111 1111 0000

%x prints in hexa decimal format
so o/p- f f f 0


On Sat, Aug 20, 2011 at 11:39 AM, Vijay Khandar <[email protected]>wrote:

> main()
> {
> printf("\n %x",-1<<4);
> }
>
> o/p-ffff
>
> Plz tell me anyone how this program is working? what is the meaning of
> -1<<4, 45>>6,-6<<65 etc.. how this statement is executed..........?
>
> Vijay............
>
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-- 
Regards,
Ayswarya S

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