> yes, being able to bang out leetcode hard from head on an interview on paper matters so much... oh wait. it does not. That's about reciting standard data str

> yes, being able to bang out leetcode hard from head on an interview on paper matters so much... oh wait. it does not. That's about reciting standard data structures like stack and queues. I think parent is talking more about the design of primitives for the domain of the software. That requires creativity and insight.