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What if we need to use O(1) space and O(N) time is it possible?

himanshu1495

Oct 11, 2023

What if we need to use O(1) space and O(N) time is it possible?

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Shubham Vora
Shubham Voraa year ago

To achieve (O(1)) space and (O(n)) time complexity for checking duplicates, we need an approach that avoids extra data structures and completes in linear time. However, this is challenging because detecting duplicates usually requires tracking elements seen so far. ...

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Problem Statement

Examples

Solution

Approach 1: Brute Force

Approach 2: Using Hash Set

Approach 3: Sorting