Interviewers aren't looking for you to get the right answer, they are looking at how you think about the problem, how you communicate your solution, and what tr

Interviewers aren't looking for you to get the right answer, they are looking at how you think about the problem, how you communicate your solution, and what trade offs you make. That's what everyone wants to believe. But in reality, about 90 percent of the time, it basically is all about just getting the right answer within the given (patently unrealistic) timeframe. "How you communicate" is at best gravy. But if you don't solve that Two Sum problem in linear time in 27 minutes or less -- you're flushed, gone... and "don't let the door hit ya."