This problem has been polished along with an enhanced test suite.
nice moderate problem
Number of digits in an integer
Back to basics - mean of corner elements of a matrix
Find the dimensions of a matrix
Given a square and a circle, please decide whether the square covers more area.
Calculate roots of polynomial given as vector array.
Find product of eigenvalues of n*n magic matrix.
Sum positive elements of matrix.
Calculate the sum of elements of n*n Hilbert matrix.
Find scalar product of two polynomials a and b, given as vector array.
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