{"id":"sign-product-via-parity-counting","text":"`signFunc` determines the sign of a product by counting negative elements (even count → positive, odd → negative) and short-circuiting on zero, never computing the actual product — avoiding overflow entirely.","truth_value":"IN","source":"entries/2026/06/06/sign-of-the-product-of-an-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"sign-product-via-parity-counting","truth_value":"IN","reason":"premise"}]}}