{"id":"counter-two-pass-uniqueness-pattern","text":"The Counter + linear-rescan pattern (count occurrences first, then iterate in original order to find the kth/first unique element) is a recurring idiom across this repo's uniqueness problems.","truth_value":"IN","source":"entries/2026/06/06/kth-distinct-string-in-an-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["counter-two-pass-frequency-pipeline"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"counter-two-pass-uniqueness-pattern","truth_value":"IN","reason":"premise"}]}}