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Route designation on BMT Triplex equipment. The Brighton Line opened from the Willink Plaza entrance of Prospect Park (modern intersection of Flatbush and Ocean Avenues and Empire Boulevard, now the Prospect Park station on both the renamed Brighton and the Franklin Avenue Shuttle lines) to Brighton Beach (modern Coney Island Avenue at the shoreline) on July 2, 1878, and the full original line ...
The economy of Puerto Rico is classified as a high-income economy by the World Bank and as the most competitive economy in Latin America by the World Economic Forum. [14] [15] The main drivers of Puerto Rico's economy are manufacturing, which primarily includes pharmaceuticals, textiles, petrochemicals, and electronics; followed by the service industry, notably finance, insurance, real estate ...
The rotation distance between any two binary trees with the same number of nodes is the minimum number of rotations needed to transform one into the other. With this distance, the set of n-node binary trees becomes a metric space: the distance is symmetric, positive when given two different trees, and satisfies the triangle inequality.