refactor C++ code

find and remove bugs. Refactor and simplify the code attached. The code is for Write a program that inserts records into a file and retrieves and deletes them using either extedible hashing or the linear hashing techniques. The result is supposed to be : /* Sample output: DIRECTORY CONTENT: Directory Depth 1 size 2 bucket 68 addr 00000000 BUCKET DEPTH: 1 MAXKEYS: 4 NUMKEYS:3 KEY[0] Jerry RECORDADDRESS 21972 KEY[1] Mike RECORDADDRESS 29970 KEY[2] uma RECORDADDRESS 9312 bucket 140 addr 00000001 BUCKET DEPTH: 1 MAXKEYS: 4 NUMKEYS:3 KEY[0] David RECORDADDRESS 34116 KEY[1] Tom RECORDADDRESS 52178 KEY[2] abi RECORDADDRESS 38528 DIRECTORY END. ENTER KEY TO DELETE: ABI Key not present Enter the key to search: abi Key present in the directory Directory Depth 1 size 2 bucket 68 addr 00000000 BUCKET DEPTH: 1 MAXKEYS: 4 NUMKEYS:3 KEY[0] Jerry RECORDADDRESS 21972 KEY[1] Mike RECORDADDRESS 29970 KEY[0] David RECORDADDRESS 34116 KEY[1] Tom RECORDADDRESS 52178 KEY[2] abi RECORDADDRESS 38528 DIRECTORY END. Press any key to continue . . . */