Person A is sick. His room number is 13 and. After he is recovered, he is allowed to go home. However, he wishes to say his goodbyes to the other patients before he leaves. The question is, how can he exit through Gate number 4 while seeing the other patients only once to minimize infection risks?
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Add a Password to make your account more secure. You will be able to login on the platform using password or OTP received on the registered movbile number.