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ta12_question - n distinct numbers. RandMax( A ) (a) If | A...

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COMP 271H Design and Analysis of Algorithms 2006 Fall Semester Tutorial 12 1. (From “Computational Geometry” by de Berg, van Kreveld, Overmars, and Schwarzkopf) Let A be a set of numbers. Analyze the expected running time of the following procedure RandMax( A ). The set A in the ±rst call to RandMax contains
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Unformatted text preview: n distinct numbers. RandMax( A ) (a) If | A | = 1, return the number in A . (b) Otherwise, choose a random number x ∈ A . i. y := RandMax( A \ { x } ). ii. If y ≥ x , return y . iii. Otherwise, compare x with all other elements in A to con±rm that x is larger than them. Return x . 1...
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This note was uploaded on 12/09/2010 for the course ENGLISH 1303 taught by Professor May during the Spring '10 term at HKU.

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