By , worked at Google. on . Gayle Laakmann McDowell Originally published Quora So you’re attempting to solve a problem and you don’t know how to solve it? Cool, that’s sort of the . No, you don’t say that you’d look it up on Google — because solving something you don’t know how to solve is the essence of the question. norm The idea of whiteboard/algorithm interviews is not to test knowledge. Yes, there’s a baseline of knowledge you need to have. You need to know, for example, how to insert a node into a binary search tree, how to do breadth-first search, and what a linked list is. An interviewer who asks you to do these things (other than perhaps as a basic warmup question) is probably not a very good interviewer. The idea of a whiteboard/algorithm interview is to (i.e., your brain) to solve a problem. If I asked you to design an algorithm to count the number of permutations of a string within a string , I’m not asking you . I assume that you don’t know how to do this. I’m asking you to figure it out. use your problem-solving skills s t what is the algorithm to do this So if you get stuck while doing this? Keep going. Keep trying. Write a new example. Simplify the problem. Study what’s suboptimal or incorrect in your earlier solutions and see if you can find a path to fix those issues. Just keep going. Yes, I’m sure that you could google a solution to this problem. I’m not asking you this question because I’m thinking “Gee, you might need to solve in real life. If that happened, could you do it?” I’m asking because I believe that solving this question gives me an idea of how effectively your brain can solve problems. Your ability to Google the answer is irrelevant. this exact question Now, if you just forgot whether the linked list class uses or , I really do not care about this. At all. I guess you could “explain” how you’d use Google to solve this, but I mean… isn’t it obvious? This seems like an unnecessary explanation. Just tell me, “Shoot. I can’t remember — is it or ?” I might tell you the answer if I know it, otherwise I’ll just tell you to make up reasonable syntax. list.add list.insert add insert This is what a good interviewer should do because whiteboard coding is about not . If you have a bad interviewer, well, all bets are off. brain power Google power By , worked at Google. on . Gayle Laakmann McDowell Originally published Quora For more trending tech answers from , visit . Quora HackerNoon.com/quora

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