Data Compression algorithm

Question

I need an alogorihtm to store credit card data in reduced format [less memory]. For eg:-to store following number as 12345665 12345777 12456666 12458888

as
12345
665 777
1245
6666 8888
Is there any algorithm to find out best storage group?

Answer 1

您可以维护Trie数据结构。