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Grokking the Coding Interview Patterns

Solution: The Skyline Problem

Explore how to determine a city's skyline shape by combining building outlines using the union-find algorithm. Learn to merge overlapping segments, manage heights, and build the skyline efficiently with sorting and union-find data structures.

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Statement

Imagine standing at a distance, viewing the skyline of a city. The skyline is the shape formed by all the buildings in the city when viewed together. Your task is to determine the shape of this skyline, given all the buildings’ position and height. Each building is represented by three values in the array buildings, where buildings[i]=[lefti, righti, heighti]buildings[i] = [left_i,~right_i,~ height_i] ...