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by scottbartell 4754 days ago
I'm in a VERY similar situation. Self taught 23 year old developer with a BS in business/marketing, Front End + Ruby experience, and interviewing for software engineering jobs.

Prior to my first technical interview I spent tons of time studying algorithms and data structures. Looking back I feel that my time would have been better spent selecting several sample questions (such as the ones you included) and solving them on a whiteboard over and over again (and checking and improving them along the way).

For questions check out careercup.com, glassdoor.com, project euler, and the Cracking the Coding Interview book: http://www.amazon.com/Cracking-Coding-Interview-Programming-...

The more practice you have, the faster you will be able to: recognize what type of problem a particular question is, come to an initial solution, and improve upon that solution.

Feel free to reach out to me with any questions! (contact info in my profile)