Online 1 B

#include <iostream>
#include <string>

using namespace std;

class BankAccount{
    string name;
    string accountNumber;
    int balance;
    public:
    BankAccount(){
        balance = 0;
    }
    BankAccount(string n, string s){
        name = s;
        accountNumber = n;
        balance = 0;
    }
    void setName(string s){
        name = s;
    }
    void setAccountNumber(string n){
        accountNumber = n;
    }
    void deposit(int n){
        if(n >= 0) balance += n;
        else cout << "Invalid operation";
    }
    string getName(){
        return name;
    }
    string getAccountNumber(){
        return accountNumber;
    }
    int getBalance(){
        return balance;
    }
    void withdraw(int amount){
        if(amount <= balance) balance -= amount;
        else cout << "Insufficient Balance";
    }
    void display(){
        cout << '\t' << "Account Number: " << getAccountNumber() << '\n';
        cout << '\t' << "Account Holder: " << getName() << '\n';
        cout << '\t' << "Balance: " << getBalance() << '\n';
    }

};

class Bank{
    BankAccount collection[100];
    int accountAmount;
    public:
    Bank(){
        accountAmount = 0;
    }
    void addAccount(string n, string name){
        collection[accountAmount].setAccountNumber(n);
        collection[accountAmount].setName(name);
    }
    void deposit(string num, int amount){
        int i = 0;
        while(collection[i].getName() != num){
            i++;
        }
        collection[i].deposit(amount);
    }
    void withdraw(string num, int amount){
        int i = 0;
        while(collection[i].getName() != num){
            i++;
        }
        collection[i].withdraw(amount);
    }
    void displayAllAccounts(){
        cout << "Registered Accounts:" << '\n';
        for(int i = 0; i < accountAmount; i++){
            collection[i].display();
            cout << '\n';
        }
    }
    void removeAccount(string num){
        bool found = false;
        for(int i = 0; i < accountAmount; i++){
            if(collection[i].getAccountNumber() == num){
                found = true;
            }
            if(found && i+1 < accountAmount){
                collection[i] = collection[i+1];
            }
        }
        accountAmount--;

    }


};

int main()
{
    Bank bank;
    // Add new bank accounts
    bank.addAccount("12345", "John Doe");
    bank.addAccount("67890", "Jane Smith");
    // Perform transactions
    bank.deposit("12345", 1000.0);
    bank.deposit("67890", 500.0);
    // Display account details
    bank.displayAllAccounts();
    // Perform transactions
    bank.withdraw("12345", 200.0);
    bank.withdraw("67890", 500.0);
    // Display account details after transaction
    bank.displayAllAccounts();
    // Remove an account
    bank.removeAccount("67890");
    // Display account details after removal
    bank.displayAllAccounts();
    // Add more accounts
    bank.addAccount("24680", "Sarah Adams");
    bank.addAccount("13579", "Michael Lee");
    // Perform transactions on the newly added accounts
    bank.deposit("24680", 1500.0);
    bank.deposit("13579", 200.0);
    bank.withdraw("13579", 100.0);
    bank.withdraw("24680", 300.0);
    // Display all accounts
    bank.displayAllAccounts();
    return 0;
}