BANKING PROGRAM IN C++

This program complie and run using turbo C++

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
class Add
{
 private:
 char name[20];
 int acc_no;
 int ph_no;
 char addr[30];
 int balance;
 int with;
 int depo;
 int i;
 clrscr();
 public:
 void input()
 {
   cout<<"Enter customer name: "<<endl;
   cin>>name;
   cout<<"Enter customer account number: "<<endl;
   cin>>acc_no;
   cout<<"Enter customer address: "<<endl;
   cin>>addr;
   cout<<"Enter customer phone number: "<<endl;
   cin>>ph_no;
   cout<<"Enter customer opening balance: "<<endl;
   cin>>balance;
 }
 void deposit()
 {
  cout<<"Enter how much you want to deposit: "<<endl;
  cin>>depo;
  balance=balance+depo;
  cout<<"Current balance is: "<<balance<<endl;
 }
 void withdraw()
 {
  cout<<"Enter how much you want to withdraw: "<<endl;
  cin>>with;
  if(with>balance)
  {
   cout<<"Sorry!You do not have enough balance in your account. "<<endl;
   cout<<"Current Balance is: "<<balance<<endl;
  }
  else
  {
   balance=balance-with;
   cout<<"Current balance is: "<<balance<<endl;
  }
 }
 void show()
 {
  cout<<"Acc_no: "<<"\t";
  cout<<"Name: "<<"\t";
  cout<<"Balance: "<<"\t";
  cout<<"Addr: "<<"\t";
  cout<<"Ph_no: "<<"\n";
 }
 void print()
 {
  cout<<acc_no<<"\t"<<"\t";
  cout<<name<<"\t";
  cout<<balance<<"\t"<<"\t";
  cout<<addr<<"\t";
  cout<<ph_no<<"\t"<<"\n";
 }
 void enquire()
 {
  cout<<"Current Balance: "<<balance;
  cout<<endl;
 }
};
void main()
{
 Add a[100];
 int s,i=0,p,n,l=1;
 a[l].input();
 while(1)
 {
  clrscr();
  cout<< "  //Main menu//"<<endl;
  cout<<"Press 1 for deposit "<<endl;
  cout<<"press 2 for withdraw "<<endl;
  cout<<"Press 3 for cheak a account details "<<endl;
  cout<<"Press 4 to open a new account "<<endl;
  cout<<"Press 5 for Balance Enquire "<<endl;
  cout<<"Press 6 for cheak all customer details"<<endl;
  cout<<"Press 7 to exit "<<endl;
  cin>>s;
  switch(s)
  {
  case 1:
   cout<<"Enter the serial number"<<endl;
   cin>>p;
   for(i=0;i<100;i++)
   {
   if((i+1)==p)
   a[i].deposit();
   }
   break;
  case 2:
   cout<<"Enter the serial number"<<endl;
   cin>>p;
   for(i=0;i<100;i++)
   {
   if((i+1)==p)
   a[i].withdraw();
   }
   break;
  case 3:
   cout<<"Enter the Serial number"<<endl;
   cin>>p;
   for(i=0;i<100;i++)
   {
   if((i+1)==p)
   {
   a[i].show();
   a[i].print();
   }
   }
   break;
  case 4:
   a[l].input();
   l++;
   break;
  case 5:
   cout<<"Enter the Serial number"<<endl;
   cin>>p;
   for(i=0;i<100;i++)
   {
   if((i+1)==p)
   a[i].enquire();
   }
   break;
  case 6:
  a[0].show();
  for(i=0;i<l;i++)
  {
   a[i].print();
  }
  break;
  case 7:
  exit(0);
  default:
   cout<<"Please cheak your entry";
  }
  getch();
 }
}