Why do we put a return zero command at the end in c++?

Question

Is there any reason of just to make code more readable??

Answer 1

By standards return type of main is treated as exit code of the program. If you return 0 at the end then it is treated as normal exit without any errors
and Saboor Hakimi 🇦🇫 if you don't specify any return type then it is by default treated as 0

Answer 2

https://www.sololearn.com/Discuss/2063719/?ref=app

Answer 3

Let me show you a trick about how to run a C++ programme without returning 0 at the end, but don't ask how!

Answer 4

Run this code

#include <iostream>
using namespace std;
#undef int
int main() {

cout << "Hello, World!";

}

Answer 5

Thanks for sharing...🤓