1. naloga: Introduction and basics. Peter Puzzle has found the following code: int FooBar (A, k) { for j:=1 to k { for i:= j to len (A) -1 { if A[i]
1. naloga: Introduction and basics. Peter Puzzle has found the following code: int FooBar (A, k) { for j:=1 to k { for i:= j to len (A) -1 { if A[i]
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. naloga: Introduction and basics. Peter Puzzle has found the following code:
int FooBar (A, k) {
for j:=1 to k {
for i:= j to len (A)-1 {
if A[i]<A[j-1] {
X:= A[j-1]; A[j-1] := A[i]; A[i]:= x
}
return A[k-1]
VPRAŠANJA:
A) (i) What is the time complexity of the function FooBar as a function of n=
len (A) and k? Justify your answer. (ii) Is there any difference in your result
if we measure comparisons or memory probes? Comment the result.
HINT: You will earn more points, if you compute the precise number of com-
parisons and not only give a family of functions ().
B) (i) What does the function FooBar return (compute)? Justify your answer.
(ii) What is the loop invariant for the inner for loop? (iii) Show that it remains
invariant throughout the execution of the function.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45a2c93f-7502-4c22-a7b1-88698e38cece%2F85c9e3ce-54d9-4d3e-8d4c-be77edfbe45c%2Fliqcc9e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. naloga: Introduction and basics. Peter Puzzle has found the following code:
int FooBar (A, k) {
for j:=1 to k {
for i:= j to len (A)-1 {
if A[i]<A[j-1] {
X:= A[j-1]; A[j-1] := A[i]; A[i]:= x
}
return A[k-1]
VPRAŠANJA:
A) (i) What is the time complexity of the function FooBar as a function of n=
len (A) and k? Justify your answer. (ii) Is there any difference in your result
if we measure comparisons or memory probes? Comment the result.
HINT: You will earn more points, if you compute the precise number of com-
parisons and not only give a family of functions ().
B) (i) What does the function FooBar return (compute)? Justify your answer.
(ii) What is the loop invariant for the inner for loop? (iii) Show that it remains
invariant throughout the execution of the function.
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