Give the output of the following program (written in C syntax) using each of the four parameter passing methods:

(a) pass by value

(b) pass by reference

(c) pass by value-result

(d) pass by name

int i;

int a[2];

void functionp(int x, int y)

{

x ++;

i++;

y++

}

int main()

{

a[0] = 1;

a[1] = 1;

i = 0;

functionp(a[i], a[i]);

printf("%d\n", a[0]);

printf("%d\n", a[1]);

return 0;

}