{"id":"odd-cells-no-matrix-materialization","text":"`oddCells` never allocates an m-by-n matrix; it uses O(m+n) row/column frequency arrays, reducing space from O(m*n) to O(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-no-matrix-materialization","truth_value":"IN","reason":"premise"}]}}