Grokking the Coding Interview Patterns in Python/

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Solution: Triples with Bitwise AND Equal To Zero

Solution: Triples with Bitwise AND Equal To Zero

Let’s solve the Triples with Bitwise AND Equal To Zero using the Bitwise Manipulation pattern.

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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 0≤0 \leq i,, j,, k ≤\leq nums.length.

Constraints:

  • 1≤1 \leq nums.length ≤1000\leq 1000

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