Let $S$ be a set of $n$ segments in the plane. A line $L$ that intersects all segments of $S$ is called a traversal or stabber of $S$. Give a $\mathcal{O}(n^2)$ algorithm to decide if a stabber for $S$ exists using duality.
2026-03-26 01:28:52.1774488532
Algorithm to compute whether a stabbing line exists for a set of line segments
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