Introduction - If you have any usage issues, please Google them yourself
1, for each record the following data items: telephone numbers, user name, address 2, from the keyboard input of the records, respectively, telephone number and user name to establish Hashtable keywords 3, re-hashing method used to solve conflict 4, find and display a given telephone number of record 5, find and display a given user name records. 6, in the hash function to determine, under the premise of trying to deal with different types of conflict (at least two), visit Find the length of the average change.