-1
votes
0answers
23 views

Evenly distribute phone numbers to groups [closed]

What is the best way to evenly distribute mobile numbers to groups? For example to distribute by the last X digits of the mobile. I have a list of customers where the mobile number is the distinct ...
3
votes
2answers
636 views

How can “hash functions” be used to implement hash maps at all?

My understandment is that hash maps allow us to link, say, a string, to certain memory location. But if every string were to be linked to a unique place in memory it would need a huge block of empty ...