Remove the polynomials that have positive real elements of their roots.
Project Euler: Problem 6, Natural numbers, squares and sums.
Whether the input is vector?
Free passes for everyone!
Speed of car
Solve Rubik's Cube - One Rotation
Graceful Double Wheel Graph
USC Fall 2012 ACM: Martian Pranks
Spherical radius given four points
GJam 2014 Rd 1c: Train Cars
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