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Perguntas de entrevista de Software development engineer


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He asked the best way to store boolean values on memory. I said an array but he wanted more, so in the end I said BinaryVector class. He asked why a binary vector is a better option but I couldn't answer that. I told him that I don't know the internal implementation.

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After that I was thinking about this and I think I have the answer but couldn't imagine that under pressure. I'll not put here because I'm not sure.

You should user a Integer to store flags. You can storre up to k flags (or booleans) with a k bits processor. That is Usualy made in C like THIS FLAG0 = 1 FLAG1 = 2 FLAG2 = 4 ... FLAGN = 2^n You can set 2 flags like this setted_flags = FLAGx | FLAGX2 and see if its setted wifh setted_flags & FLAGx

How to save resources' IDs used by an activity and access them in O(1), assuming there could be an infinite number of resources?

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what is networking protocol?

1 resposta

What was my motivation to come to Portugal?

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Mainly algorithmic and design questions

1 resposta

Não cheguei na fase de entrevista

1 resposta

Can you sign this NDA?

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Melhorar a performance da função elaborada durante a entrevista

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