I hand in my resume at university career fair. After a month, I was notified by career center that I was selected to attend on campus interview. It's one hour 1-1 interview. I was told to take a paper test first which has 5 coding question including algorithm, database design, class design. The guy interviewed me is a software engineer. He went through my answers with me, and then asked some questions on my resume. I skewed it because I wasn't able to answer the question on algorithm.

Write a program to count the set bits of a byte.

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