Consider the following function and find the value that will be returned to the calling function.

Discuss all possible steps.

int fun$($int $n)$

$1$

int $i,j,k=0$;

for $(i=\frac{n}{2}$;$in$;$i++)$

for $)$

$k=k+\frac{n}{2}$;

return $k$;

$\}$