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Grokking the Coding Interview Patterns in Go

Solution: Convex Polygon

Explore how to determine if a polygon is convex by calculating the cross product of vectors formed by three consecutive points. Understand how uniform turn directions confirm convexity and implement this approach efficiently with O(n) time complexity. This lesson helps you analyze polygon shapes in coding interviews using math and geometry concepts.

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Statement

You are given an array of points on the XY plane, where each point is represented as points[i] = [xi, yi][x_i, \space y_i] ...