{"id":"keyboard-row-single-pass-filtering","text":"`find_words` is O(n*m) where n is word count and m is max word length — one pass through each word with constant-time dict lookups and a set-size check.","truth_value":"IN","source":"entries/2026/06/06/keyboard-row-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"keyboard-row-single-pass-filtering","truth_value":"IN","reason":"premise"}]}}