EBK STARTING OUT WITH C++
8th Edition
ISBN: 8220100794438
Author: GADDIS
Publisher: PEARSON
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Expert Solution & Answer
Chapter 8, Problem 1RQE
Explanation of Solution
Linear search:
- Linear search or sequential search is the process of searching for a particular element that is present in the array one by one till the last element in the search element is found.
- The search uses a loop that iterates from the beginning till the last element to find the search element.
- The search continues for all the elements present in the array until the last element.
- The search of the target element is made after comparing it with each and every element that is present in the array.
- The search process continues until the target value or search value is found.
- If the search element is not found, the search gets returned unsuccessfully.
Number of comparisons in linear search:
To search the target element that is present in the array, the search element is compared with the number of elements present in the array. Even if the array contains 500 elements, the search process continues 500 times if the search element is present at the end of the array.
Maximum number of comparison = N
Average number of the comparison = N/2
Therefore, linear search is called sequential search because the search element is found by comparing each element present in the array using a loop one after the other, until the search element is found.
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9. Let L₁=L(ab*aa), L₂=L(a*bba*). Find a regular expression for (L₁ UL2)*L2.
10. Show that the language
is not regular.
L= {a":n≥1}
11. Show a derivation tree for the string aabbbb with the grammar
S→ABλ,
A→aB,
B→Sb.
Give a verbal description of the language generated by this grammar.
Chapter 8 Solutions
EBK STARTING OUT WITH C++
Ch. 8.2 - Prob. 8.1CPCh. 8.2 - Prob. 8.2CPCh. 8.2 - Prob. 8.3CPCh. 8.2 - Prob. 8.4CPCh. 8 - Prob. 1RQECh. 8 - If a linear search function is searching for a...Ch. 8 - Prob. 3RQECh. 8 - A binary search function is searching for a value...Ch. 8 - What is the maximum number of comparisons that a...Ch. 8 - Prob. 6RQE
Ch. 8 - Why is the selection sort more efficient than the...Ch. 8 - Prob. 8RQECh. 8 - The __________ search algorithm repeatedly divides...Ch. 8 - Prob. 10RQECh. 8 - The ____________ search algorithm requires that...Ch. 8 - If an array is sorted in ______________ order, the...Ch. 8 - If an array is sorted in _____________ order, the...Ch. 8 - Prob. 14RQECh. 8 - Prob. 15RQECh. 8 - Prob. 16RQECh. 8 - T F The maximum number of comparisons performed by...Ch. 8 - Prob. 18RQECh. 8 - Charge Account Validation Write a program that...Ch. 8 - Lottery Winners A lottery ticket buyer purchases...Ch. 8 - Lottery Winners Modification Modify the program...Ch. 8 - Charge Account Validation Modification Modify the...Ch. 8 - Rainfall Statistics Modification Modify the...Ch. 8 - String Selection Sort Modify the selectionSort...Ch. 8 - Binary String Search Modify the binarySearch...Ch. 8 - Search Benchmarks Write a program that has an...Ch. 8 - Sorting Benchmarks Write a program that uses two...Ch. 8 - Sorting Orders Write a program that uses two...Ch. 8 - Using FilesString Selection Sort Modification...
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