This problem has been polished along with an enhanced test suite.
nice moderate problem
Project Euler: Problem 1, Multiples of 3 and 5
~~~~~~~ WAVE ~~~~~~~~~
Sum of series III
Pernicious Anniversary Problem
Find hen's weight.
Convert array of decimal numbers into hexadecimal numbers array.
Find cosine between two given vectors u and v.
Display positive elements of matrix.
Calculate roots of polynomial given as vector array.
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