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get enough sleep, a while ago i went to a google interview after an all-nighter. it felt like 100-hour long. read more about data structures and algorithms, and make you can explain it in laymen terms.

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Thanks..do you recommend any books, tutorials other than CLRS ? Do I need to learn advanced algorithms like tries,suffix trees, vertex cover etc. What kinds of coding problems can I expect from Google ?

I haven't had a Google interview, but looking at their past and current problems for the Google Code Jam would certainly get you some practice.

I will try solving those problems.

I got asked in a Google interview: "What is 2 to the power of 64?"

.. I wasn't really expecting a question like that so it really threw me off.

See if you can figure it out without a calculator. :)

4 exabytes?

EDIT: err, 16 exabytes, I'm thinking now

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