Suppose a program is supposed to reverse an array. For example, if we have the array arr = {1, 2, 3, 4, 5}, after reversing the array we would have arr = {5, 4, 3, 2, 1}. Most of the code for the program is shown here:
Const int SIZE = 5;
int arr[SIZE] = {1, 2, 3, 4, 5};
int firstindex =0, lastindex = SIZE-1, temp;

1

{
temp = arr[firstindex];
arr[firstindex] = arr[lastindex];
arr[lastindex] = temp;
firstindex++;
lastindex--;
}

All of the following options below could be correctly inserted at line 1 in the code shown above EXCEPT:

a. while(firstindex < lastindex)
b. while(firstindex <= lastindex)
c. for(int i=0; i<(SIZE/2-1); i++)
d. for(int i=0; i<(SIZE/2); i++)