If you turned in a solution in class, you already got credit for this assignment. Otherwise, answer the following and submit to the E21 box on Canvas.
Exercise 21
Draw the points-to relation from Andersen's analysis on the following function:
int main(){
p = &x;
if (x == 0){
r = &p;
} else {
q = &y;
}
s = &q;
r = s;
}