A good opportunity to implement a hashtable: lots of collisions without it.
A re-post of Solution 1137054, because that one doesn't appear in the list of solutions, for some reason (I'm not sure why).
Remove the polynomials that have positive real elements of their roots.
Hackathon: the beginnings
Snakes on a plane
Find the nearest integer
Derivative of polynomial
Generalised Hamming Number
Pandigital number n°2 (Inspired by Project Euler 32)
BLOCK x3 (Version 4)
Add more zeros
Narcissistic number ?
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