{"id":"fused-reverse-invert","text":"`flipAndInvertImage` performs horizontal flip and bit inversion in a single two-pointer pass per row via simultaneous swap-and-XOR, not two separate passes.","truth_value":"IN","source":"entries/2026/06/06/flipping-an-image-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["in-place-mutation-with-return-convention"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"fused-reverse-invert","truth_value":"IN","reason":"premise"}]}}