C++-Write functions to insert, search, delete and display a hash table then use this example create a menu program that displays the following menu 1. Insert 2. Delete 3. Search 4. Display 5. Exit Use the functions Insert, Search and Display and add a new function Delete which will asks the user to input and delete the element that matches this key Notes For Function Insert you need to ask the user to input the Key and Data for the element to be inserted For Function Search you need to ask the user to input the Key for the element to be searched