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Given an array of integer bitmasks representing user permissions, analyze and answer queries like counting users with specific bits, detecting overlapping/conflicting permissions, or finding masks that are supersets/subsets of a target. Implement efficient bitwise operations, bit counting, hashing and subset/superset enumeration to handle many users with a limited number of permission bits.
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Leetcode 3204. Bitwise User Permissions Analysis
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Source snapshot: Nov 12, 2026
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