{"id":"two-sum-iii-self-pair-requires-count-two","text":"In `TwoSum.find()`, a number can only pair with itself to reach a target if its count in the `Counter` is >= 2; this prevents `add(3); find(6)` from returning `True`.","truth_value":"IN","source":"entries/2026/06/06/two-sum-iii-data-structure-design-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"two-sum-iii-self-pair-requires-count-two","truth_value":"IN","reason":"premise"}]}}