Consider the following pseudocode for an algorithm called “Algorithm1", which reads procedure Algorithml(a, a2, ., an:: integers) I:= a1 for i = 2 to n I:=I+a, return r Suppose a list a,, az, ., a, of integers is given as an input. a) Describe what Algorithml(a, a2, ., am) returns as output. b) How many times would the expression z :=1+a, be executed? c) Give a e estimate for the time complexity of this algorithm (worst case).

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Consider the following pseudocode for an algorithm called “Algorithm1", which
reads
procedure Algorithml(a1, a2, ..., an:: integers)
**..
I:= a1
for i = 2 to n
I:= x + a,
return a
Suppose a list a1, a2, ...,a, of integers is given as an input.
a) Describe what Algorithml(a1, a2, ., an) returns as output.
b) How many times would the expression r := r+a; be executed?
c) Give a O estimate for the time complexity of this algorithm (worst case).
Transcribed Image Text:Consider the following pseudocode for an algorithm called “Algorithm1", which reads procedure Algorithml(a1, a2, ..., an:: integers) **.. I:= a1 for i = 2 to n I:= x + a, return a Suppose a list a1, a2, ...,a, of integers is given as an input. a) Describe what Algorithml(a1, a2, ., an) returns as output. b) How many times would the expression r := r+a; be executed? c) Give a O estimate for the time complexity of this algorithm (worst case).
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