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Leetcode 2401. Longest Nice Subarray
Find the maximum length of a contiguous subarray in which the bitwise AND of every pair of distinct elements is 0 — equivalently, no two numbers in the subarray share a common 1-bit. This is typically solved by maintaining a sliding window and ensuring the combined bitmask has no overlapping set bits (n ≤ 1e5, nums[i] ≤ 1e9).
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