{"id":"zero-removal-required-for-correctness","text":"The `- {0}` set difference in `minOperations` is necessary for correctness: without it, an all-zeros input like `[0, 0, 0]` would incorrectly return `1` instead of `0`.","truth_value":"IN","source":"entries/2026/06/06/make-array-zero-by-subtracting-equal-amounts-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"zero-removal-required-for-correctness","truth_value":"IN","reason":"premise"}]}}