Select true or false for the statements below. Explain your answers if you like to receive partial credit 1) Which of the following is true about searching elements in an unordered array? a. With the data is unsorted, search is O(n) because if the element you are looking for is not there, you have to check every element in the array b. If you start at the end of the array and traverse to index 0, search improves to O(log n) because you only have to look at half of the array c. If you get lucky with checking the first element and find it immediately, then the worst case performance of search improves to O(n^2)
Select true or false for the statements below. Explain your answers if you like to receive partial credit 1) Which of the following is true about searching elements in an unordered array? a. With the data is unsorted, search is O(n) because if the element you are looking for is not there, you have to check every element in the array b. If you start at the end of the array and traverse to index 0, search improves to O(log n) because you only have to look at half of the array c. If you get lucky with checking the first element and find it immediately, then the worst case performance of search improves to O(n^2)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Select true or false for the statements below. Explain your answers if you like to receive partial credit
1) Which of the following is true about searching elements in an unordered array?
a. With the data is unsorted, search is O(n) because if the element you are
looking for is not there, you have to check every element in the array
b. If you start at the end of the array and traverse to index 0, search improves
to O(log n) because you only have to look at half of the array
c. If you get lucky with checking the first element and find it immediately, then
the worst case performance of search improves to O(n^2)
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