Graham scan

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Science and technology

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What Wikipedia says

Graham's scan is a method of finding the convex hull of a finite set of points in the plane with time complexity O(n log n). It is named after Ronald Graham, who published the original algorithm in 1972. The algorithm finds all vertices of the convex hull ordered along its boundary.

Excerpt from the Wikipedia article “Graham scan”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Fschwarzentruber, CC BY-SA 4.0, via Wikimedia Commons.