KwickClips C++ · 41 sec · free
What should SQ be?
Short answer. ((x) * (x)).
What does a macro do?
It pastes text.
Remember
| Macros paste text |
| Write ((x) * (x)) |
Two plus three, squared, should be twenty five. C prints eleven. The macro pastes text. So it becomes two plus three times two plus three. That is eleven. Remember this. Macros paste text. Put brackets around every argument.
This clip is from the full lesson: The C Preprocessor: Macros and Conditional Compilation — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Information Technology (402), Programming All levels C, Programming All levels C
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