This article originally appeared on Engadget at https://www.engadget.com/computing/laptops/everything-apple-announced-this-week-iphone-17e-new-macbooks-m4-ipad-air-and-more-155617625.html?src=rss
The complexity of determining the minimum number of flips that transform one triangulation of a convex point set into another remained a tantalizing open question for many decades. We settle this question by proving that computing shortest flip sequences between triangulations of convex polygons, and therefore also computing the rotation distance of binary trees, is NP-hard.
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На МКАД загорелись две машины14:46，这一点在体育直播中也有详细论述
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“At our new Center of Competence for Physical AI in Production, we