{"id":"length-of-last-word-o-n-space","text":"`length_of_last_word` runs in O(n) space because `split()` materializes the full word list, not just the last word.","truth_value":"IN","source":"entries/2026/06/06/length-of-last-word-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"length-of-last-word-o-n-space","truth_value":"IN","reason":"premise"}]}}