{"id":"odd-cells-linear-time","text":"`oddCells` runs in O(|indices| + m + n) time — one pass to count frequencies, one pass to count parities — independent of the matrix area m*n.","truth_value":"IN","source":"entries/2026/06/06/cells-with-odd-values-in-a-matrix-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"odd-cells-linear-time","truth_value":"IN","reason":"premise"}]}}