remove the duplicates

Remove the Duplicates from Unsorted Array in O(n) Time

Given an input array of integers, your goal is to remove the duplicates present from an unsorted array in an effective way. Note, you need to achieve this in O(n) time i.e., you should be able to find the results by traversing through the array only once.

Algorithm

Solution to remove the duplicates

Output

Time Complexity – Single Traversal- O(n)

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Reference

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