Please am still not familiar with the (return 0)at the end of the function

Question

C++

Answer 1

Return in main() is considered exit status of a program. When main() return 0, It means that it executed successfully. It will return other values when something is wrong.

Answer 2

Returns a value of zero and program control back to the point of invocation of the function.

Answer 3

To show the main function has successfully executed......

Answer 4

of course... it terminates the program if successful