Element Distinctness Problem
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COMPUTER SCIENCE
Computational Complexity Theory
Element Distinctness Problem
Exploring the element distinctness problem reveals the challenges of detecting duplicates efficiently in computing
21 Jan 2026
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Which computational approach can reduce the time complexity of the element distinctness problem from quadratic to O(n log n)?
Comparing each element with every other element without any optimization
Using a quantum algorithm that guarantees constant time complexity for all inputs
Sorting the list and then checking adjacent elements for duplicates
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