What is the average time complexity of accessing an element in an array?

₹0.0

Question: What is the average time complexity of accessing an element in an array?

Options:

Correct Answer: O(1)

Solution:

Accessing an element in an array by index is a constant time operation, O(1).

What is the average time complexity of accessing an element in an array?

What is the average time complexity of accessing an element in an array?

Step 1: Understand what an array is. An array is a collection of items stored at contiguous memory locations.
Step 2: Know that each item in an array can be accessed using an index. The index is a number that tells you the position of the item in the array.
Step 3: Realize that accessing an item by its index means you can directly jump to that position in memory without looking at other items.
Step 4: Since you can access the item directly, the time it takes to get that item does not depend on the size of the array.
Step 5: Therefore, the time complexity for accessing an element in an array is constant, which is represented as O(1).

No concepts available.