Q$11.$

Consider:

void f$($int$*$ v$,$ int len, int$*$ x$)\{$

int sum $=0$;

for $($int i $=0$; i $<$ len; i$++)\{$

sum $+=$ v$[$i$]\%2$;

$\}$

$*$x $=$ sum;

$\}$

int vec$[]=\{1,2,3,4,5\}$;

int x$[1]$;

int$*$ y $=$ x;

f$($vec$,$ sizeof$($vec$)/$sizeof$($int$),$ y$)$;

What is the value of $*$y$?$

Q$12.$

Multithreading: Concurrency.

Consider the following code runs in a multi$-$threaded environment:

uint$64\_$t counter;

void incrementVariable$()$

$\{$

counter$++$;

$\}$

If the initial value of counter was $100,$ what are the possible values of counter after calling incrementVariable$()$ from $2$ different threads? Each of the two threads calls the function exactly one time.