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ISRO | ISRO CS 2017 | Question 46
In a compact one dimensional array representation for lower triangular matrix (all elements above diagonal are zero) of size n x n, non zero elements of each row are stored one after another, starting from first row, the index of (i, j)th element in this new representation is
(A)
i+j
(B)
j+i(i-1)/2
(C)
i+j-1
(D)
i+j(j-1)/2
Answer
Please comment below if you find anything wrong in the above post
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