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Grokking the Coding Interview Patterns in Go

Solution: Maximum Number of Visible Points

Explore how to find the maximum number of visible points from a fixed location on a plane by calculating angles relative to your position. Understand sorting techniques and two pointers to efficiently determine the largest subset within a given field of view.

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Statement

You are provided with an array, points, an integer angle, and your location, where points[i] = [xi, yi] and location = [posx, posy], both representing integer coordinatesInteger coordinates refer to points on a plane where x and y values are whole numbers. on the X-Y plane.

You initially face directly east from your fixed location and cannot move. In other words, posx and posy cannot be changed. However, you can rotate to adjust your viewing direction. Your field of view, measured in degrees, is specified by the angle, representing the width of visibility. If you rotate counterclockwise by an angle dd, your visible field spans the inclusive range of angles [d−angle2,d+angle2][d-\frac{angle}{2}, d+\frac{angle}{2}] ...