The running time of locating the ith item in an array is ____.

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
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The running time of locating the ith item in an array is ____.
 

Question 9 options:

 
O(1)
 
O(n)
 
O(log n)
 
O(n2)
Expert Solution
Step 1

The running time of a program is calculated based on the number of steps executed or number of iterations the execution involved.

 

Locating ith item of an array involves compiler travelling from 0th index to the specified location i and then the element at i is returned

 

The i can be 0 or last index and the time complexity is thus dependent on value of i

 

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