by Ricardo Fernández Serrata
This is a silly but interesting concept, because you can literally see the numerical value of the output at a glance, just by looking at its size. It uses the Unary (base or radix 1) numeral system. You can input any string you want, only if it's short enough to be fast to process and use less memory.
This already uses an optimized version of the Ackermann F without memoization. This isn't based on the verbatim/non-optimized version.
It would be more efficient if it used BCU (binary coded unary) to use less memory and compute faster, but that would be harder to implement and would require the output to be shown as Hex
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