Calculate sum of positive elements of the matrix.
Distance walked 2D
Project Euler: Problem 1, Multiples of 3 and 5
Convert a vector into a number
Create a vector whose elements depend on the previous element
Equal to their cube
Display positive elements of matrix.
Multiply two polynomials p and q given in in vector representation.
Find hen's weight.
Replace x value into y value in string text.
Solve expression II
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