What is the messiest C++ program ever?

All of them

I have great interest in learning programming. I would like to learn C++. Where should I start?

@MargaretGilliam wikibooks

@MargaretGilliam
Start with Assembly language.
Then comes C - and then C++.

If you code in memory unsafe languages, you really need to know what you do.
Also never code while tired or distracted as some of the RCE-enabling bugs will definitely make it into production.

If you can do it in a memory-safe language - do it in a memory-safe language. But if you have to use a memory-unsafe language, triple-check your code extra carefully _on_different_days_ before actually pushing it.

My programs for my Robotics team.

@Oktokolo C++ gives you smart pointers and even lets you define your own so that you never have to use new or delete in code not exclusively responsible for memory management.

I know most C++ isn't like that, but it is a viable option.

c++ is messy by itself

@Haxk20
C is a memory-unsafe language.
And choosing a memory-unsafe language makes it a lot more likely, that there are RCE bugs in the code.
So if the coder isn't a higher being not creating bugs, it is in general a pretty bad idea to do something in C when it could be done in a memory-safe language.

@Haxk20
No problem.

You obviously can't build the whole Linux kernel in a memory-safe language.
Some try to make it possible to use Rust there to get memory-safety by default for the majority of code which doesn't actually need memory-unsafety. But it seems to not be there yet...
Legacy code also is a thing - and someone has to maintain it.