3586. Find COVID Recovery Patients
Table: patients +-------------+---------+ | Column Name | Type | +-------------+---------+ | patient_id | int | | patient_name| varchar | | age | int | +-------------+---------+ patient_id is the unique identifier for this table. Each row contains information about a patient. Table: covid_tests +-------------+---------+ | Column Name | Type | +-------------+---------+ | test_id | int | | patien
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solution.cppC++17
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