Alice and Bob have fallen in love (via long, romantic chats on - TopicsExpress



          

Alice and Bob have fallen in love (via long, romantic chats on facebook) and Bob wishes to mail Alice an engagement ring. Unfortunately, they live in the country of Kleptopia where anything sent through the mail will be stolen unless it is enclosed in a padlocked box. Alice and Bob each have plenty of padlocks, but none to which the other has a key. Under these circumstances, how can Bob get the ring safely into Alice’s hands?
Posted on: Mon, 02 Sep 2013 00:23:58 +0000

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