On Sat, 31 Dec 2022, 07:17 Hans Lonsdale via Gcc-help, <gcc-help@gcc.gnu.org>
wrote:

>
>
> I have 16 collections of 8 numbers
>
> (11 12 11 44 11 12 11 23)
> (12 21 11 44 11 12 11 23)
> and so on
>
> I want to find whether there are repetitions of each 8-tuple using fortran.
>
> The order in which the numbers occur is not important.
>

This is not a question about using/building/installing GCC so doesn't
belong here.

Try a general Fortran programming forum.