C++ challenges

Question

int main without return 0 is a valid code ? can I post a screen copy of this cases ?

Answer 1

int main() does not require an explicit return 0.
If the return value is not given, the compiler automatically understands the return value as 0

Answer 2

Although it isn't required to explicitly return 0, it's encouraged to. Just saying.

Answer 3

Normally in functions, if you declare it with a return value, you have to return something that matches that data type. For example:

char getRandChar() {
//Some code
return 'a'; //If this wasn't here, it would give an error.
}