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Pseudo code in picture 2(write like this)

Pseudo code in picture 2(write like this)

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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Pseudo code in picture 2(write like this)
Algorithm Ex1 ((a₁, ... an), (b₁, ..., bm)) k for i 0 1 to n do j+1 while j < m do If a₁ = = b; j+j+1 return k > 0 k+ k + 1
Transcribed Image Text:Algorithm Ex1 ((a₁, ... an), (b₁, ..., bm)) k for i 0 1 to n do j+1 while j < m do If a₁ = = b; j+j+1 return k > 0 k+ k + 1
(d) A data pattern analyser is to be built that can detect and count up the number of occurrences of two and three letter same letter sequences in a sequence (e.g. (a,a) or (b,b,b)). The analyser should stop if it encounters * in the sequence and return the number of occurrences found up to that point in the form of a 2-tuple (#2LetterSequences, #3LetterSequences). A 3 letter sequence should only count as a 3 letter sequence, not an occurrence of two 2 letter sequences. No letter in the input sequence ever occurs more than 3 times in a row. So, for example: Input string (a,b,a,b,b,a,a,*) (x,x,x,y,y) (p,q,p,z,z,*) (*,a,a) (x,x,a,d,*, s,s,s,l) 2 letter sequences found 2 1 1 0 1 3 3 letter sequences found 0 1 0 0 0 Produce a formal statement of this problem, and then write an algorithm to solve the problem using a pseudo code style similar to the one shown in parts (a) to (c). State the bounds on the best and worst case performance of your algorithms using O, 2 and 0 appropriately
Transcribed Image Text:(d) A data pattern analyser is to be built that can detect and count up the number of occurrences of two and three letter same letter sequences in a sequence (e.g. (a,a) or (b,b,b)). The analyser should stop if it encounters * in the sequence and return the number of occurrences found up to that point in the form of a 2-tuple (#2LetterSequences, #3LetterSequences). A 3 letter sequence should only count as a 3 letter sequence, not an occurrence of two 2 letter sequences. No letter in the input sequence ever occurs more than 3 times in a row. So, for example: Input string (a,b,a,b,b,a,a,*) (x,x,x,y,y) (p,q,p,z,z,*) (*,a,a) (x,x,a,d,*, s,s,s,l) 2 letter sequences found 2 1 1 0 1 3 3 letter sequences found 0 1 0 0 0 Produce a formal statement of this problem, and then write an algorithm to solve the problem using a pseudo code style similar to the one shown in parts (a) to (c). State the bounds on the best and worst case performance of your algorithms using O, 2 and 0 appropriately
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