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Leetcode 78. Subsets
Return the power set of a unique-element integer array by enumerating all 2^n subsets (typical solutions use backtracking/DFS or bitmask iteration), noting the exponential output is acceptable since n ≤ 10.
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All Regions
Mid November, 2025
Microsoft
Mid-level
Mid September, 2025
Meta
Senior
Early August, 2025
Meta
Senior
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