you should concatenate the elements of a matrix in one dimensional array, for example if the input is
A = [1 2 3; 4 5 6; 7 8 9];
the output will be like this:
B = [1 2 3 4 5 6 7 8 9];
First N Perfect Squares
Find out sum of all elements of given Matrix
determine the sum of the squares
No more zeros
sum all digits
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