The test set should contain a polynomial with complex roots where the real part is positive, and a polynomial with a positive and a negative root.
Too less test cases
This removes only polinomials if all the roots are positive. Should read 'all' instead of 'any' here.
Implement a ROT13 cipher
Back to basics 8 - Matrix Diagonals
Back to basics 17 - white space
Sum of the Matrix Elements
Find the numeric mean of the prime numbers in a matrix.
Find the peak 3n+1 sequence value
It dseon't mettar waht oedrr the lrettes in a wrod are.
Maximum running product for a string of numbers
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