Earlier quoted context omitted.
I think the point is that it can be hard to legitimately solve some of those tricky leetcode-style problems under time pressure, with no access to outside resources, and with the knowledge that somebody is judging your every move. Memorizing the common problems gives you a big leg up on being able to successfully pass an interview.
Honestly the "right" answer in most of these types of questions is to search for a popular existing implementation. There is never a "we've got to solve this bubble sort algorithm in a locked room with no internet access" scenario. I get that they want to select for people who can solve problems by thinking their way through solutions with code, but I've never been convinced that solving leet code challenges is the w…
They don’t want thinkers who re-invent the wheel?