For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals.
1 2 3 4
5 6 7 8
8 10 12 -2
-1 -3 -5 -7
Generate a random matrix A of (1,-1)
Is it a number?
Area of a Square
Multiply by 3
Nth root of a number
ASCII sum of phrases
surface areas of a cylinder
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Calculating the total earnings of a factory
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