What is output?

#include

using namespace std;

class School $\{$

public:

School$()\{$ y$++$; $\}$

static int getY$()\{$return y;$\}$

private:

static int y;

$\}$;

int School::y $=0$;

int main$()\{$

cout $<<$ School::getY$()<<""$;

School t$[5]$;

cout $<<$ School::getY$()$;

$\}$

Group of answer choices

$012345$

$55$

$05$

$00$