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Grokking the Coding Interview Patterns in Python

Solution: The Skyline Problem

Understand how to apply the Union-Find pattern to solve the Skyline Problem by merging overlapping building segments. Learn to process building outlines, manage height arrays, and construct the skyline efficiently while ensuring no redundant horizontal lines appear.

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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] ...