Solution: Triples with Bitwise AND Equal To Zero
Explore an efficient method to count triplets of array elements whose bitwise AND equals zero. Learn to use precomputed pairwise AND results stored in a hash map to reduce time complexity from cubic to quadratic, enabling faster solutions to bitwise problems.
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Statement
You’re given an array of integers called nums. Your task is to count how many triplets of indexes (i, j, k) satisfy the condition nums[i] & nums[j] & nums[k] == 0, where & is the bitwise AND operator and ijk