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My issue is that whenever you ask a question that focuses on a single container type or algorithm you are going to positively filter people who either spent too much time googling for "common programming questions for C++" or have just graduated and have an algorithm's course fresh in their mind.

What the frick? This is day 1 or 2 of a data structures and algorithms class. If you’re a programmer, just having it described to you when you’ve never implemented or used one before should be trivial. They’re supposed to be software “engineers”, right? Imagine a mechanical engineer not knowing how to design a basic steam engine or an electrical engineer not being able to make any kind of AC to DC converter schematic off the top of their head within certain parameters, even if they never deal with that stuff in their day to day job.

Also, if I’m writing a quick test program to figure out some problem using brute force, I usually use a linked list to contain a bunch of objects. I am biased to pretty much only optimizing for memory because I get high when I run neofetch and I see sub-100mb ram usage, frick that preallocated unused memory bullshit that needs to be reallocated multiple times when the only thing you’re doing is adding stuff at the end. Aside from that autism, it’s just a tool. You should know how to use cowtools and when. Array lists are general purpose and useful for most things, but there’s no fricking excuse for not knowing an extremely well known tool even if you don’t use it as often.

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