$[7\mathrm{.}6.$b$]$ What is the output of the following code?

void $f($int& i$,$ int list$[])$

i

$i=9$;

list $[1]=1-2$;

l

int main$()$

I

int $x[1]=(5,10)$;

int is

$f(1,x)$ i

cout $1",x[1]$;

$1$