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Algorithm prefixAvg1(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 for i = 0 to n-1 do 3 a = 0 4 for j = 0 to i do a += X[j] 6 A[i] = a / (i+1) 7 return array A 5 Algorithm prefixAvg2(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], X[i] .... 1 Declare and initialize array A 2 a = 0 3 for i = 0 to n-1 do a += X[i] 5 A[i] = a / (i+1) 6 return array A 4 %3D

Algorithm prefixAvg1(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 for i = 0 to n-1 do 3 a = 0 4 for j = 0 to i do a += X[j] 6 A[i] = a / (i+1) 7 return array A 5 Algorithm prefixAvg2(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], X[i] .... 1 Declare and initialize array A 2 a = 0 3 for i = 0 to n-1 do a += X[i] 5 A[i] = a / (i+1) 6 return array A 4 %3D

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. Consider a problem of computing the prefix average of a sequence of numbers stored in an array P consisting of P integers. We want to compute an array P such that P is the average of P for P .

Consider the two algorithms related to the above problem. Answer the questions given below

 

Algorithm prefixAvg1(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 for i = 0 to n-1 do a = 0 4 for j = 0 to i do a += X[j] 6 A[i] = a / (i+1) 7 return array A 3 5 Algorithm prefixAvg2(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 a = 0 3 for i = 0 to n-1 do a += X[i] 5 A[i] = a / (i+1) 6 return array A 4
Transcribed Image Text:Algorithm prefixAvg1(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 for i = 0 to n-1 do a = 0 4 for j = 0 to i do a += X[j] 6 A[i] = a / (i+1) 7 return array A 3 5 Algorithm prefixAvg2(X): input: An n-element array X output: An n-element array A of numbers such that A[i] is the average of elements X[0], ..., X[i] 1 Declare and initialize array A 2 a = 0 3 for i = 0 to n-1 do a += X[i] 5 A[i] = a / (i+1) 6 return array A 4
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