[Tutor] why?

[Kent Johnson]

On Wed, May 28, 2008 at 8:43 PM, Robert William Hanks
<astroultraman at gmail.com> wrote:
>
>  Need ti find out whem a number o this form i**3+j**3+1 is acube.
>  tryed a simple brute force code but, why this not work?
>
> def iscube(n):
>     cubed_root = n**(1/3.0)
>     if round(cubed_root)**3 == n:

Try
  if int(round(cubed_root)) ** 3 == n
so the cube is done with integer arithmetic instead of floating point.

Kent