The elements of the triangular array are stored as a vector in the A[1,1],A[2,1],A[2,2],A[3,1]A[3,2], A[3,3]..A[n,n]Assuming that A[1,1] is stored at location 1, addressing function for A[i,j] is given by;

The elements of the triangular array are stored as a vector in the A[1

1.	The elements of the triangular array are stored as a vector in the A[1,1],A[2,1],A[2,2],A[3,1]A[3,2], A[3,3]..A[n,n]Assuming that A[1,1] is stored at location 1, addressing function for A[i,j] is given by;
A.	(i-1)/2 + j
B.	((i-1)*i)/2 + j
C.	(i*i)/2 + j
D.	(i*j-1)/2
Answer» D. (i*j-1)/2