Untitled

#include <iostream>
#include <mutex>
#include <thread>
using namespace std;

class Account {
private:
    double balance;
    mutex accountMutex; 
public:
    Account(double initialBalance) : balance(initialBalance) {}

    double getBalance() {
        return balance;
    }

    void deposit(double amount) {
        lock_guard<mutex> lock(accountMutex);  
        balance += amount;
    }

    bool withdraw(double amount) {
        lock_guard<mutex> lock(accountMutex); 
        if (balance >= amount) {
            balance -= amount;
            return true;
        }
        return false;
    }
};

class Bank {
private:
    Account& accountA;    
    Account& accountB;
public:
    Bank(Account& a, Account& b) : accountA(a), accountB(b) {}

    void transferAtoB(double amount) {
        if (accountA.withdraw(amount)) {
            accountB.deposit(amount);
            cout << "Transferred " << amount << " from Account A to Account B" << endl;
        } else {
            cout << "Not enough balance in Account A" << endl;
        }
    }

    void transferBtoA(double amount) {
        if (accountB.withdraw(amount)) {
            accountA.deposit(amount);
            cout << "Transferred " << amount << " from Account B to Account A" << endl;
        } else {
            cout << "Not enough balance in Account B" << endl;
        }
    }
};

void transferAtoBThread(Bank& bank, double amount) {
    bank.transferAtoB(amount);
}

void transferBtoAThread(Bank& bank, double amount) {
    bank.transferBtoA(amount);
}

int main() {
    double user_amountA, user_amountB;
    
    cout << "Enter user amount of account A: ";
    cin >> user_amountA;  
    cout << "Enter user amount of account B: ";
    cin >> user_amountB;  

    Account accountA(user_amountA);  
    Account accountB(user_amountB);  

    Bank bank(accountA, accountB);

    thread t1(transferAtoBThread, std::ref(bank), 200);  
    thread t2(transferBtoAThread, std::ref(bank), 100);  

    t1.join();
    t2.join();

    cout << "Final Balance of Account A: " << accountA.getBalance() << "\n";
    cout << "Final Balance of Account B: " << accountB.getBalance() << "\n";

    return 0;
}