{"id":"two-pointer-inward-sweep-pattern","text":"The two-pointer inward sweep (left from 0, right from end, march inward with subset-specific skip logic) is a recurring pattern used by `reverse-vowels-of-a-string` and `reverse-only-letters` for reversing a character subset in-place.","truth_value":"IN","source":"entries/2026/06/06/reverse-vowels-of-a-string-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"two-pointer-inward-sweep-pattern","truth_value":"IN","reason":"premise"}]}}