Select primes from the matrix.
Roll the Dice!
Rotate a Matrix
Reverse the elements of an array
Sum of series V
Find scalar product of two polynomials a and b, given as vector array.
Display positive elements of matrix.
Sum positive elements of matrix.
Opposite task convert string hexadecimal numbers array into array of decimal numbers .
Multiply two polynomials p and q given in in vector representation.
Count given word x in text.
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