Which output is this(%a)?? When you print %a the compiler what outputp does?

Question

https://code.sololearn.com/cG8gIwrURm75/?ref=app

Answer 1

Reference: http://www.cplusplus.com/reference/cstdio/printf

specifier Output
a Hexadecimal floating point, lowercase

See also: https://stackoverflow.com/questions/21882862/purpose-of-hexadecimal-floating-point-value
Accepted answer: "...easier for programmers to write code to convert hexadecimal floating-point because it fits the binary format nicely..."

Answer 2

OK thank you very much