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.
developed machine-readable format called "MICR" for magnetic ink character
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资本市场的狂欢无需赘述，科技界领袖也大多对这一趋势表示认同。而美国的基层从业者与资深工程师在各大平台中表达出恐慌、愤怒和不信任。应届毕业生们则对职业前景感到非常悲观，极度担忧AI将夺走工作机会。
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