Starting Out with C++ from Control Structures to Objects (9th Edition)
9th Edition
ISBN: 9780134498379
Author: Tony 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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Chapter 8 Solutions
Starting Out with C++ from Control Structures to Objects (9th Edition)
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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- Why is binary search faster than linear search? Make an argument for what you did.arrow_forwardBinary search is faster than linear search for several reasons. Explain how you got here.arrow_forwardWhy is binary search faster than linear search in some circumstances? Please elaborate on your recent behavior.arrow_forward
- Is it better to utilize sequential search than binary search? What are the pros and cons, if any?arrow_forwardAlthough binary search has some benefits over sequential search, how should they be weighed?arrow_forwardBinary search has several benefits over sequential search, but how do you choose which algorithm to use?arrow_forward
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