Do we need to test if objects B and C collide in Figure 4.2.10 of the textbook? How many objects per grid are allowed, if the size of the grid is SQRT(N) x SQRT(N)? What is the time complexity of quicksort? What is the time complexity of bubblesort? Why is bubblesort preferred over quicksort in a plane sweep yB₁A₁R₁BoAoC₁RoCoABRсAoA₁ RoB₁ R₁C₁ B₁C₁ XFIGURE 4.2.10 Marking boundaries of objects for theplane sweep algorithm. In this example, the rocket Randobject B are the only two objects whose boundaries overlapin both axes, indicating they might be in collision.

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Do we need to test if objects B and C collide in Figure 4.2.10 of the textbook?
How many objects per grid are allowed, if the size of the grid is SQRT(N) x SQRT(N)?
What is the time complexity of quicksort? What is the time complexity of bubblesort? Why is bubblesort preferred over quicksort in a plane sweep

y
B₁
A₁
R₁
Bo
Ao
C₁
Ro
Co
A
B
R
с
Ao
A₁ Ro
B₁ R₁C₁ B₁
C₁ X
FIGURE 4.2.10 Marking boundaries of objects for the
plane sweep algorithm. In this example, the rocket Rand
object B are the only two objects whose boundaries overlap
in both axes, indicating they might be in collision.

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