Calculate sum of positive elements of the matrix.
Back to basics 12 - Input Arguments
Rotate a Matrix
find the maximum element of the matrix
Is this triangle right-angled?
Generate vector according to sign of vector
Create a square matrix with given conditions
Count given word x in text.
Find cosine between two given vectors u and v.
Convert array of decimal numbers into hexadecimal numbers array.
Form a square matrix from four square sub-matrices
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