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4 cards from this section. Quick, good the night before a test.
What is the time complexity of a brute force closest pair algorithm?
Consider how many pairs you have to check.
Name the formula used to calculate distance in a 2D plane.
It involves squares and square roots.
What effect does sorting the points have on the closest pair algorithm?
Think about how you would approach finding the closest points without sorting.
Is the closest pair algorithm based on divide and conquer?
Recall the key strategy we discussed.
Given the coordinates of 10 points in a 2D plane, visualize their positions and demonstrate the divide-and-conquer steps you would take to find the closest pair.
Focus on groups of points and how they might interact on either side of the dividing line.
Create a real-world scenario where finding the closest pair would be advantageous. Describe how you would implement the algorithm while considering limitations.
Think of a dynamic or changing environment, like a delivery service.
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