About: Aspiring Full Stack Web developer and Open Source Contributor.
Use a Set data structure ideally using Redis for checking membership, for example each user has a set of user ids as friends and a set of user ids as enemies. Now all the operations would involve using union find or intersection operations.
Great idea !! awesome , thanks a lot man ! .. I got it .
is there a way to do so with emails, in order to block a received mail?
Use a Set data structure ideally using Redis for checking membership, for example each user has a set of user ids as friends and a set of user ids as enemies. Now all the operations would involve using union find or intersection operations.