Leetcode 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers

Count the number of triplets across two arrays where the square of one element equals the product of two distinct elements from the other array (counting both directions). With array lengths up to 1000 and values up to 1e5, the key challenge is efficiently counting unordered pairs whose product equals a given target (x^2) for each element.

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Leetcode 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers

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