💸 Online Banking System Using Data Structures (C++)

This project simulates essential banking operations using core Data Structures and Algorithms (DSA). It features account management, transactions, history tracking, and undo options with file-based storage—all built using C++.

🔧 Features

• 👤 User/Admin Login
• 💰 Cash Deposit & Withdrawal
• 🔁 Transaction History (Stacks)
• ⏪ Undo Transactions (Queues)
• 🔍 Account Search (Admin)
• 📊 Balance Sorting (Bubble Sort)
• 📂 File Persistence

🛠 Data Structures Used

• Arrays for user data
• Stack for transaction history
• Queue for undo functionality
• Bubble Sort for sorting balances

📂 File Structure

• main.cpp: Full source code
• bankdata.txt: Demo user database (file-based storage)
• screenshots/: Visuals of program output (optional)

🚀 How to Run

1. Open the .cpp file in any C++ IDE (like DevC++, Visual Studio).
2. Build and run the program.
3. Interact with the terminal-based banking system.

📈 Future Enhancements

• GUI Integration or website hosting
• Database support (MySQL)
• Encryption for secure data
• Advanced sorting algorithms

👨‍💻 Developed By

• Muhammad Haroon (23108124)