Introduction - If you have any usage issues, please Google them yourself
1, each record has the following data items: telephone number, user name, address
2, the keyboard input of each record, respectively, with the phone number and user name as the key word to establish a hash table
3, the hash conflict
4, to find and display the number of a given phone number of records
5, find and display a given user name of the record.
6, in the context of the hash function to determine the various types of different types of processing methods of conflict (at least two), to investigate the change in the average length of search.