How would you deduplicate 4 billion US phone numbers with 1GB of memory?

How would you deduplicate 4 billion US phone numbers with 1GB of memory?

23 days ago
Anonymous $ylk9NikVdr

How would you deduplicate 4 billion US phone numbers with 1GB of memory?

Tue Dec 31, 3:26pm UTC
https://medium.com/@duyutongdock/how-would-you-deduplicate-4-billion-us-phone-numbers-with-1gb-of-memory-10eb7498aa58