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推廣網站開發,包含 Laravel 和 Kotlin 後端撰寫、自動化測試、讀書心得等。Taiwan Kotlin User Group 管理員。

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Hi, here’s your problem today. This problem was recently asked by Apple:

Given a list of points, an interger k, and a point p, find the k closest points to p.

Here’s an example and some starter code:

class Point:
  def __init__(self, x=0, y=0):
    self.x = x
    self.y = y

  def __repr__(self):
    return f"({self.x}, {self.y})"

def closest_points(points, k, p):
  # Fill this in.

points = [
    Point(0, 0),
    Point(1, 1),
    Point(2, 2),
    Point(3, 3),
print(closest_points(points, 2, Point(0, 2)))
# [(0, 0), (1, 1)]