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Implement the RandomizedSet class: You must implement the functions of the class such that each function works in average O(1) time complexity.
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Implement the RandomizedSet class: You must implement the functions of the class such that each function works in average O(1) time complexity.
Get real-time assistance for Insert Delete GetRandom O(1) problems during coding interviews. PhantomCodeAI provides instant solutions and explanations.
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Solve Insert Delete GetRandom O(1) — Implement the RandomizedSet class: You must implement the functions of the class...
Here's the optimal approach using Array:
Time: O(n) | Space: O(n)
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