Don't you understand?
Wouldn’t a pile of clothes have O(n) complexity? They’d still have to go through them one at a time unless the clothes have a really distinct color/shape and are in a somewhat tidy pile s.t. they can be pulled from anywhere.
Not if the pile has a maximum capacity. At that point it’s bounded as a fixed constant.
Exactly. Since n is represented by the collection of clothes, it is O(1) if you are only going through a finite subset of the clothes. If everything is in the closet, and in no particular order, you would then do O(n) because you potentially have to go through the entire collection to find one article of clothing.