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#include <iostream>
#include <cstdlib>
#include <fstream>
using namespace std;
const int MAX_NUM = 30;
int main(){
int acctnum_array[MAX_NUM];
double balance_array[MAX_NUM];
int read_accts(int[], double[], int);
void print_accts(int[], double[],int);
void menu ();
int findacct(int[],int,int);
int new_acct(int [], double [],int);
int numaccts;
char selection; // type of transaction selected
bool cond=false; //used as condition for the do-while loop
cout.setf(ios::fixed,ios::floatfield);
cout.precision(2); //set decimal precision
//reads in data
numaccts=read_accts(acctnum_array,balance_array,MAX_NUM);
print_accts(acctnum_array,balance_array,numaccts);
do{
menu();
cin>>selection;
switch (selection)
{
case 'W':
case 'w':
withdrawal(acctnum_array,balance_array,numaccts);
break;
case 'D':
case 'd':
deposit(acctnum_array,balance_array,numaccts);
break;
case 'N':
case 'n':
numaccts=new_acct(acctnum_array,balance_array,numaccts);
break;
case 'B':
case 'b':
balance(acctnum_array,balance_array,numaccts);
break;
case 'Q':
case 'q':
print_accts(acctnum_array,balance_array,numaccts);
cond=true;
break;
default:
cout<<"\nThis selection was not valid, Please try again "<<endl<<endl;
break;
}
}while (cond!=true);
return 0;
}
int read_accts(int acctnum_array[], double balance_array[], int max_accts)
{
ifstream infile;
infile.open("c:\\c++\\prg6input.txt");
int num_accts=0,x;
double y;
infile>>x;
while(!infile.eof()&& num_accts< max_accts){
acctnum_array[num_accts]=x;
infile>>y;
balance_array[num_accts]=y;
num_accts++;
infile>>x;
}
infile.close();
return num_accts;
}
void print_accts(int acctnum_array[], double balance_array[], int num_accts)
{
for ( int i=0; i<num_accts;i++){
cout<<"Account number: "<<acctnum_array[i]<<" has a balance of ";
cout<<balance_array[i]<<endl<<endl;
}
return;
}
void menu()
{
cout<<"\nSelect one of the following options"<<endl;
cout<<"W - Withdrawal"<<endl;
cout<<"D - Deposit"<<endl;
cout<<"N - New Account"<<endl;
cout<<"B - Balance"<<endl;
cout<<"Q - Quit"<<endl;
return;
}
int findacct(int acctnum_array[], int num_accts, int account)
{
cout<<account<<endl;
cout<<num_accts<<endl;
int check=-1;
for(int i=0;i < num_accts;i++){
if (acctnum_array[i]==account)
check=i; //returns index number if account is valid
}
return check; //returns -1 if account is not valid
}
int new_acct(int acctnum_array[], double balance_array [], int num_accts)
{
int accountnum,index,newacct;
newacct=num_accts;
cout<<"\nPlease enter a new account number"<<endl;
cin>>accountnum;
index=findacct(acctnum_array,num_accts,accountnum);
if (index!=-1)
cout<<"\nThis account number already exists"<<endl;
else{
newacct=num_accts+1;
acctnum_array[newacct]=accountnum;
cout<<acctnum_array[newacct]<<endl;
balance_array[newacct]=5;
cout<<balance_array[newacct]<<endl;
cout<<"\nThis account has been processed and now has a balance of 0"<<endl;
print_accts(acctnum_array,balance_array,newacct);
}
return newacct;
}
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