Can't read a binary file.Not able to run the code as in build errors? Run time errors? Logical errors?
how can i call an objects function from within a functionIt is. You wither need to pass an object to that function (preferably reference or const reference) ...
find the common prefix of two stringsThats wrong code in 1) I said a variable for index of commonPrefix not commonPrefix initialised to z...
Understanding HashingPost the code that you have so far using code tag.
friend function..// How to display on of the function Depoiste/Withdraw.Post your code in "<>" (code) tag. Its easy to read that way