What is the runtime:

void test$($ int $[]$ array$)\{$

for $($int i $=0$; i $<$ array.length$-1$ ; i $++)\{$

for $($int j $=$ i $+1$ ; j $<$ array.length ; j$++)\{$

print $($array$[$i$],$ array$[$j$])$;

$\}$

$\}$

$\}$

Question $20$ options:

n$2$

n

log n

impossible to know