Dev.to daily challenge Duplicate Encoder

[Jesse Phillips]

On Wednesday, 24 June 2020 at 19:13:39 UTC, Vladimir Panteleev 
wrote:
>
> I also don't understand the choices that led to the 
> duplicateEncode_pointer implementation.

It it was basically, what happens if I don't loop twice over but 
instead just store where things need to change. I did want a 
single loop but when I realized I failed I switched to gnuplot

This wasn't really an attempt to make efficient code, just a 
translation + some of my own curiosity.