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Re:How my life was changed when I began caring about the peo... by fencepost on Thursday January 08, 2015 @08:47PM (#8860279)
While linked lists are fundamental, depending on the language(s) people have used and how people were taught they may actually not be something people have used. Anyone using mostly high-level interpreted languages (e.g. Python) or something like PHP may not have ever used them, and if they're somewhat self-taught then they may not have encountered them in their reading.

Hash tables might be a better filter, because IMHO you're a lot more likely to find those in real use these days than linked lists.

Re:How my life was changed when I began caring about the peo... by kazinator on Thursday January 08, 2015 @09:12PM (#8860367)
Your comment is on the mark. But in that particular question they were asked something like, show a singly linked insertion on a white board using some box-and-arrow notation. They were not asked to write it in C or whatever. They couldn't visually whiteboard the concept at all.

(The job area was embedded development, involving C and C++, so asking for C code related to linked lists would have been fair game!)