Binary explained from zero for the student who avoided it, then the six operators with truth tables and the twelve bit tricks that actually appear in campus coding tests, each with the one-liner, why it works in plain words, and a worked example. Ends with the four traps that cost marks: signed shift in Java versus Python, why ~ goes negative, & versus == precedence, and 32-bit int overflow. Every Python snippet was executed and every result checked. 14 pages, PDF.
Step 3 of 5: Pass the coding test
Bit Manipulation Tricks For Coding Tests
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- 14 pages
- 12 tricks
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Free. Ten tricks.
The one-liners that show up in tests and nowhere in class.
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