@Siddharth: Try this ("nnwtsnoob" = "next number with the same number
of one bits"):
unsigned nnwtsnoob(unsigned x)
{
return (x+(x&(-x)))|(((x^(x+(x&(-x))))>>2)/(x&(-x)));
}
For the explanation/justification, see
http://groups.google.com/group/programming-puzzles/msg/3a05b3c8b4042d5b.
Dave
On Nov 16, 12:18 pm, siddharth srivastava <akssps...@gmail.com> wrote:
> Input a number and then find the next higher number
> such that for both the number (inputted and the next higher
> number)
> in binary representation contains equal number os ones.
> Example:
> Input:3(0000000000000011)
> Ouput:5(0000000000000101)
>
> --
> Siddharth Srivastava
>
> When you have learned to snatch the error code from the trap frame, it
> will be time for you to leave.
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