Given the function definition below, what is the effect of the call

Question

```
change (ar, 0, n-1);
```
where n is the size of array ar?

```
void change (int ar[], int low,
int high)
{
int temp;
if (low < high)
{
temp = ar[low]; ar[low] = ar[high]; ar[high] = temp;
change (ar, low+1, high-1);
}
}
```

a. First n elements of ar are sorted in ascending order.
b. First n elements of ar are reversed.
c. First and last elements of ar are switched. d. First and last elements of ar are sorted.
e. Largest integer in temp is stored.

Answer 1

b. First n elements of ar are reversed.