Question

#include statement must be written __________

(a) Before main()

(b) Before any scanf/printf

(c) After main()

(d) It can be written anywhere

This question was posed to me during an online interview.

Question is from C-Preprocessor topic in portion C Functions and Structure of a Program of C

Answer 1

Right answer is (b) Before any scanf/printf

To explain: Using these directives before main() improves readability.