How to Solve Minimum Rectangles to Cover Points Problem
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Minimum Rectangles to Cover Points
You are given a 2D integer array points, where points[i] = [xi, yi]. You are also given an integer w. Your task is to cover all the given points with rectangles. Each rectangle has its lower end at so...
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Understanding the Minimum Rectangles to Cover Points Problem
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Problem Statement
You are given a 2D integer array points, where points[i] = [xi, yi]. You are also given an integer w. Your task is to cover all the given points with rectangles. Each rectangle has its lower end at some point (x1, 0) and its upper end at some point (x2, y2), where x1 <= x2, y2 >= 0, and the condition x2 - x1 <= w must be satisfied for each rectangle. A point is considered covered by a rectangle if it lies within or on the boundary of the rectangle. Return an integer denoting the minimum number of rectangles needed so that each point is covered by at least one rectangle. Note: A point may be covered by more than one rectangle.
Minimum Rectangles to Cover Points
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Examples
points = [[2,1],[1,0],[1,4],[1,8],[3,5],[4,6]], w = 12The image above shows one possible placement of rectangles to cover the points: A rectangle with a lower end at (1, 0) and its upper end at (2, 8) A rectangle with a lower end at (3, 0) and its upper end at (4, 8)
points = [[0,0],[1,1],[2,2],[3,3],[4,4],[5,5],[6,6]], w = 23The image above shows one possible placement of rectangles to cover the points: A rectangle with a lower end at (0, 0) and its upper end at (2, 2) A rectangle with a lower end at (3, 0) and its upper end at (5, 5) A rectangle with a lower end at (6, 0) and its upper end at (6, 6)
points = [[2,3],[1,2]], w = 02The image above shows one possible placement of rectangles to cover the points: A rectangle with a lower end at (1, 0) and its upper end at (1, 2) A rectangle with a lower end at (2, 0) and its upper end at (2, 3)
Constraints
1 <= points.length <= 105points[i].length == 20 <= xi == points[i][0] <= 1090 <= yi == points[i][1] <= 1090 <= w <= 109All pairs (xi, yi) are distinct.How Interview Coder Helps with Leetcode Problems
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