Which XXX is the base case in the recursive function to find the factorial of a number, where n is the

input of the function?

int Factorial$($int n$)\{$

if XXX $\{$

return n $*$ Factorial$($n $-1)$;

$\}$

else $\{$

return $1$;

$\}$

$\}$

$($n$>0)$

ubrace$(($n$>1)$ubrace$)\_(($n$)<mn>1</mn><mi>)</mi>$