What does this algorithm compute? b. What is its basic operation? c. How many times is the basic operation executed" d. What is the efficiency class of this algorithm? e. Suggest an improvement, or a better algorithm altogether, and in-dicate its efficiency class. If you cannot do it, try to prove that, in fact, it cannot be done.

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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a. What does this algorithm compute?

b. What is its basic operation?

c. How many times is the basic operation executed"
d. What is the efficiency class of this algorithm?
e. Suggest an improvement, or a better algorithm altogether, and in-dicate its efficiency class. If you cannot do it, try to prove that, in fact, it cannot be done.

6. Consider the following algorithm.
Algorithm Enigma(A[0..n – 1,0..n – 1])
//Input: A matrix A[0..n – 1, 0..n – 1] of real numbers
for i -0 to n – 2 do
for j – i+1 to n – 1 do
if A[i, j] + A[j, i]
return false
return true
Answer the questions a-e of Problem 4 about this algorithm.
Transcribed Image Text:6. Consider the following algorithm. Algorithm Enigma(A[0..n – 1,0..n – 1]) //Input: A matrix A[0..n – 1, 0..n – 1] of real numbers for i -0 to n – 2 do for j – i+1 to n – 1 do if A[i, j] + A[j, i] return false return true Answer the questions a-e of Problem 4 about this algorithm.
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