Analyze the following code.

#include

using namespace std;

int main$()$

$\{$

int x$[3]$;

cout $<<"$x$[0]$ is $"<<$ x$[0]$;

return $0$;

$\}$

The program has a compile error because the size of the array wasn't specified when declaring the array.

The program has a runtime error because the array elements are not initialized.

The program runs fine and displays x$[0]$ is $0.$

The program has a runtime error because the array element x$[0]$ is not defined.

x$[0]$ has an arbitrary value.