I have just read the whole thing and I am confused as to what do you have to do here. And I am getting sys. reqs from some crazy manages for a living. So you got to count unique vowels? Can we get...

Well, a student project but at least there was an effort to solve that.

#include <iostream>
#include <string>


int main()
{
double withdraw, deposit, balance, newBalance, amount;
...