#include<iostream.h>
#include<stdlib.h>

static int n=0;
class account
{
int age,accno;
float amt;
char name[20];
public:
friend void accinfo(account [] ,int);
void create();
void balenq();
void deposite();
void withdrawal();
void transaction(account []);
};

void account :: create()
{
static int acc=1231;
accno=acc+n;
cout<<"\n\tENTER THE CUSTOMER NAME : ";
cin>>name;
cout<<"\n\t ENTER THE AGE : ";
cin>>age;
cout<<"\n\t ENTER THE AMOUNT : ";
cin>>amt;
// if(amt<=500)
// cout<<"\n\tAMOUNT IS NOT SUFFICIENT TO CREATE AN
ACCOUNT...";
cout<<"\n\t YOUR ACCOUNT NUMBER : "<<accno<<endl;
n++;
}

void accinfo(account cus[],int ch)
{
int no,flag=0;
cout<<"\n\t\tENTER YOUR ACCOUNT NUMBER : ";
cin>>no;
for(int i=0;i<=n&&flag==0;i++)
if(no==cus[i].accno)
{
flag=1;
switch(ch)
{
case 2:
cus[i].balenq();
break;
case 3:
cus[i].deposite();
break;
case 4:
cus[i].withdrawal();
break;
case 5:
cus[i].transaction(cus);
break;
default:
cout<<"\n\t\tEND OF THE OPERATION";
exit(1);
}
}
if(flag==0)
cout<<"\n\t\tYOUR ACCOUNT DOES NOT EXIST..."<<endl;
}

void account :: balenq()
{

cout<<"\n\t\tCUSTOMER NAME : "<< name << endl;
cout<<"\n\t\tBALANCE : "<< amt << endl;

}

void account :: deposite()
{
int damt;
cout<<"\n\t\tCUSTOMER NAME : "<< name <<endl;
cout<<"\n\t\tBALANCE : "<< amt <<endl;
cout<<"\n\tENTER THE AMOUNT TO BE DEPOSITED : ";
cin>>damt;
amt+=damt;
cout<<"\n\t\tYOUR CURRENT BALANCE : "<<amt<<endl;

}

void account :: withdrawal()
{
int wamt;
cout<<"\n\t\tCUSTOMER NAME : "<< name;
cout<<"\n\t\tBALANCE : "<< amt;
cout<<"\n\tENTER THE AMOUNT TO BE WITHDRAWN : ";
cin>>wamt;
if(amt-wamt>=500)
{
amt-=wamt;
cout<<"\n\t\tYOUR CURRENT BALANCE : "<<amt;
}
else
cout<<"\n\tYOUR BALANCE IS TOO LOW FOR WITHDRAWAL..."<<endl;
}

void account :: transaction (account cus[])
{
int no,tamt,flag=0;
cout<<"\n\tENTER THE RECEIVER'S ACCOUNT NUMBER : ";
cin>>no;
cout<<"\n\t\t ENTER THE AMOUNT : ";
cin>>tamt;
for(int i=0;i<=n&&flag==0;i++)
if(cus[i].accno==no)
{
flag=1;
cus[i].amt+=tamt;
amt-=tamt;
cout<<"\n\t\tYOUR CURRENT BALANCE : "<<amt<<endl;
cout<<"\n\t\t RECEIVER'S BALANCE : "<<cus[i].amt<<endl;
}
if(flag==0)
cout<<"\n\tRECEIVER'S ACCOUNT NUMBER IS NOT
AVALIABLE..."<<endl;

}

void main()
{

account cus[10];
int ch;
do
{
cout<<"\n\t\t BANK ACCOUNT";
cout<<"\n\t\t ************\n";
cout<<"\n\t\t1.CREATE AN ACCOUNT";
cout<<"\n\t\t2.BALANCE ENQUIRY";
cout<<"\n\t\t3.DEPOSITE";
cout<<"\n\t\t4.WITHDRAWAL";
cout<<"\n\t\t5.TRANSACTION";
cout<<"\n\t\t6.EXIT\n\n";
cout<<"\n\t\tENTER YOUR CHOICE : ";
cin>>ch;
if(ch==1)
cus[n].create();
else
accinfo(cus,ch);
}while(1);
}