What is the purpose of return 0 at the end?

Answer 1

The function is something like :

int main() {}

This means it must return and integer... (0 or any other numeric value). The code fails if no int is returned....

Answer 2

return 0 = Succesfull

Answer 3

okay thanks :)

Answer 4

if you use "return" with any number other than 0, it will send the program with an error. even if it works just fine. it will recognize that its errored.

Answer 5

but doesn't the code do just fine even without return function. I'm not sure why we use it though. it's like blowing on a car to make it go faster, it'll do just fine.