I not understand where I can solve this simple code

Question

#include <iostream>
using namespace std;

void main()
{
void fun();
cout <<"you are in main";

fun();
}
void fun()
{
cout <<"you are in fun";
}

Answer 1

https://code.sololearn.com/cPNo0S6dRVml/?ref=app

Answer 2

main func can't be void

Answer 3

What you want to output ?

Answer 4

Thank you smith welder