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Grokking the Coding Interview Patterns in C++

The Skyline Problem

Explore how to solve the Skyline Problem by analyzing building coordinates and heights to produce a city skyline outline. Learn to apply union find methods to handle overlapping buildings and create a concise skyline representation with height changes only where necessary.

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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] ...