This problem has to do with the choice of a pivot in quicksort. (a) Describe the property that the pivot must satisfy in order for quicksort to have its best-case running time.
(b) Explain how the order statistics algorithm described in class can be used to generate a good pivot. What is the worst-case running time of this algorithm? What is the expected running time of this algorithm?

Which of the following does 3d animation create an illusion of on the screen? a. depth b. emotion c. length d. dialogue

Which of the following is an example of intellectual properly! oa. new version of a novelb. journal of ideasc. pages of a bookood. lines of a poem

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.