This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Remove the polynomials that have positive real elements of their roots.
Back to basics 19 - character types
Who has power to do everything in this world?
Find a Pythagorean triple
Convert a number to its Roman representation
Find the square of the sum of the digits of a number
Find the area of the four walls
Find the dimensions of a matrix
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