reset the trainer: that's not the current version. Surely you tried it a long time ago and it has been corrected in the meantime (or someone just did it).

For those numbers the control function expects 65441025342 (at least now), have you clicked reset and tried again?

and the result is 95 again, i.e. it is not 97 as a test states preliminary

Either there're problems with the reference solution or with your tests. I haven't solved this one, so I can't investigate.

and the result is timeout

Then your solution is not efficient enough.

I'm gonna close this issue, because it has changed to something else (unrelated). Below @GiacomoSorbi solved some C++ kata issues, so, click reset a few times and try again. If you still see that behaviour, report it in a separate post.

Not a question. It's impossible to tell what's wrong with your solution if nobody can see it.

if i and j are any integer between 0 and array's length - 1 how is one expression different than the other?