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Are you sure this is EASY?
I have consistently demonstrated my poor ability to accurately assess the difficulty. Considering the success rate you are likely correct, and I apologize for that. For now, I will adjust it to a medium level.
In my opinion it is easy+. And of course I like @Rafarafa work!
i feel the right solution is to use a recursive mecanism.
As I’m an embedded c developper, i’m not used to it ^^
I’ll have a look, but if you have some tips or algo names…
Thank in advance
Recursion is a relatively simple concept. I recommend that you study it. This will come in handy for many tasks on the site.
However, you can try turning the recursion into a loop. If not, we can discuss it in private messages.