Evan Martin (evan) wrote in evan_tech,
Evan Martin
evan
evan_tech

time-space tradeoffs

I have a friend who, whenever presented a new algorithm, approach, or system, always asks the question: What is the time-space tradeoff? He's a little obsessed, and it's a little amusing, but it's also true that almost every data structure / algorithm can be considered in terms of that. (Sorting can be is O(n) if you have unique data and enough memory...)

All of that is mostly lead-up to say that rainbow tables are a great hack, and a perfect example of a good time-space tradeoff.
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