In this age of instant gratification and feedback, the server might be a bit slow to update your two points.
But what's more rewarding than the fact that you actually learned to solve a kata and got it solved, no?
A man's worth is measured by his achievement not wealth.

Rote learning is always dangerous because it often leads to "going through the motion" scenario.
You see but do not perceive.
If you do not have photographic memory, I suggest that you repeat the exercises few weeks later after your memory of the respective solutions fade away.