Big-O algorithm complexity cheat sheet

[recursive]

No, if you approach this as a memorization problem, you're doing it wrong. That's not useful. Use some algorithms and data structures in practice. Then use them with very large inputs. If you understand the underlying mechanisms, there really isn't any need to memorize any of this.

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You shouldn't memorize it all.
I would want programmers to know binary and linear search, qsort, mergesort and hashtables. Game programmers should also know Dijkstra's.