Transcription of Elements of Programming Interviews
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Elements of Programming Interviews in Python The Insiders' Guide Adnan Aziz Tsung-Hsien Lee Amit Prakash This document is a sampling of our book, Elements of Programming Interviews in Python (EPI). Its purpose is to provide examples of EPI's organization, content, style, topics, and quality. The sampler focuses solely on problems; in particular, it does not include three chapters on the nontechnical aspects of interviewing. We'd love to hear from you we're especially interested in your suggestions as to where the exposition can be improved, as well as any insights into interviewing trends you may have.
Be very comfortable with the bitwise operators, particularly XOR. Understand how to use masks and create them in an machine independent way. Know fast ways to clear the lowermost set bit (and by extension, set the lowermost 0, get its index, etc.) Understand signedness and its implications to shifting. Consider using a cache to accelerate operations by using it to brute …
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