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fill in the blanks and circle correct answers 2. Algorithm modification (12 points) Replace the complex array equality condition in the if statement (step 4)
fill in the blanks and circle correct answers 2. Algorithm modification (12 points) Replace the complex array equality condition in the if statement (step 4) of the NAIVE-STRING- MATCHER with a while loop so that it behaves thus: "compare P[1] with T[s+1), P[2] with T[s+2),..., compare P[m] with T[s+m) and if any of these comparisons returns FALSE then quit the character comparisons immediately otherwise continue until all m characters of P have been compared". Parts of the modified algorithm is given below. Fill in the blanks: NAVE-STRING-MATCHER-MODIFIED(T: array [1..n) of char; P: array [1..m) of char, , msn) 1 n = T.length 2. m = P.length 3. for s = 0 to nm j=1 while j m and P[_]==TE 6. j = 7. ifj == then print "Pattern occurs with shift" S When this algorithm's execution reaches step 7 within any execution of the outer for loop, the value of the variable j carries some useful information. What is it? (circle one) A. j = The number of character comparisons "P[])==T[S+j]" that succeeded during the execution of the while loop B.j = The number of character comparisons "P[])==T[s+j]" that failed during the execution of the while loop C. j = The number of characters of P that matched the substring T[S+1..s+m] D.j = The number of characters of P that matched the substring T[s+1..S+m] + 1 E. j = The number of characters of P that matched the substring T[s+1..s+m] - 1 2. Algorithm modification (12 points) Replace the complex array equality condition in the if statement (step 4) of the NAIVE-STRING- MATCHER with a while loop so that it behaves thus: "compare P[1] with T[s+1), P[2] with T[s+2),..., compare P[m] with T[s+m) and if any of these comparisons returns FALSE then quit the character comparisons immediately otherwise continue until all m characters of P have been compared". Parts of the modified algorithm is given below. Fill in the blanks: NAVE-STRING-MATCHER-MODIFIED(T: array [1..n) of char; P: array [1..m) of char, , msn) 1 n = T.length 2. m = P.length 3. for s = 0 to nm j=1 while j m and P[_]==TE 6. j = 7. ifj == then print "Pattern occurs with shift" S When this algorithm's execution reaches step 7 within any execution of the outer for loop, the value of the variable j carries some useful information. What is it? (circle one) A. j = The number of character comparisons "P[])==T[S+j]" that succeeded during the execution of the while loop B.j = The number of character comparisons "P[])==T[s+j]" that failed during the execution of the while loop C. j = The number of characters of P that matched the substring T[S+1..s+m] D.j = The number of characters of P that matched the substring T[s+1..S+m] + 1 E. j = The number of characters of P that matched the substring T[s+1..s+m] - 1
fill in the blanks and circle correct answers
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