#include <iostream>
#include <string>
using namespace std;
class Account {
protected:
 string name;
 string acc_no;
 double balance;
public:
 Account(string name, string acc_no, double balance = 0)
 : name(name), acc_no(acc_no), balance(balance) {}
 virtual void deposit(double amount) {
 balance += amount;
 cout << "Deposit successful. Updated balance: " << balance << endl;
 }
 virtual void display_balance() {
 cout << "Account Balance: " << balance << endl;
 }
 virtual void withdrawal(double amount) {
 if (amount <= balance) {
 balance -= amount;
 cout << "Withdrawal successful. Updated balance: " << balance << endl;
 } else {
 cout << "Insufficient balance" << endl;
 }
 }
};
class SavingsAccount : public Account {
public:
 SavingsAccount(string name, string acc_no, double balance = 0)
 : Account(name, acc_no, balance) {}
 void compute_interest(double interest_rate) {
 double interest = balance * interest_rate;
 deposit(interest);
 cout << "Interest deposited. Updated balance: " << balance << endl;
 }
};
class CurrentAccount : public SavingsAccount {
private:
 double min_balance;
 double service_charge;
public:
 CurrentAccount(string name, string acc_no, double balance = 0, double min_balance = 1000,
double service_charge = 50)
 : SavingsAccount(name, acc_no, balance), min_balance(min_balance),
service_charge(service_charge) {}
 void check_minimum_balance() {
 if (balance < min_balance) {
 balance -= service_charge;
 cout << "Minimum balance not maintained. Service charge imposed. Updated balance: " <<
balance << endl;
 } else {
 cout << "Minimum balance maintained." << endl;
 }
 }
 void withdrawal(double amount) override {
 Account::withdrawal(amount);
 check_minimum_balance();
 }
};
int main() {
 string name, acc_no;
 double balance, amount, interest_rate;
 int choice;
 cout << "Choose account type:\n";
 cout << "1. Savings Account\n";
 cout << "2. Current Account\n";
 cout << "Enter your choice (1 or 2): ";
 cin >> choice;
 cin.ignore(); // Ignore newline character from the previous input
 cout << "Enter name: ";
 getline(cin, name);
 cout << "Enter account number: ";
 getline(cin, acc_no);
 cout << "Enter initial balance: ";
 cin >> balance;
 if (choice == 1) {
 SavingsAccount savings_account(name, acc_no, balance);
 cout << "Enter interest rate (in decimal): ";
 cin >> interest_rate;
 cout << "Enter amount to deposit: ";
 cin >> amount;
 savings_account.deposit(amount);
 savings_account.compute_interest(interest_rate);
 savings_account.display_balance();
 cout << "Enter amount to withdraw: ";
 cin >> amount;
 savings_account.withdrawal(amount);
 savings_account.display_balance();
 } else if (choice == 2) {
 CurrentAccount current_account(name, acc_no, balance);
 cout << "Enter amount to deposit: ";
 cin >> amount;
 current_account.deposit(amount);
 cout << "Enter amount to withdraw: ";
 cin >> amount;
 current_account.withdrawal(amount);
 current_account.display_balance();
 } else {
 cout << "Invalid choice." << endl;
 }
 return 0;
}