This is a C++ autocomplete system based on the Trie data structure, designed to suggest words based on user-input prefixes. The system supports different sorting methods for suggestions and includes a graphical interface using Qt.

• 🔤 Prefix search using Trie
• ✔️ Exact match highlighting
• 🔡 Alphabetical sorting (DFS)
• 🔢 Shortest word first (BFS)
• 🔁 Most frequent word suggestion
• ➕ Add / Delete words and prefixes
• 🧠 Automatically adds searched words after 3 uses
• ❌ Input validation (e.g., invalid characters)
• 🔠 Case-insensitive search
• 💾 Loads from file at start, saves on exit
• 🖼️ GUI built with Qt for better usability

• C++
• Qt Framework (for GUI)
• Standard Template Library (STL)

1. Compile all .cpp files using a C++ compiler (e.g., g++, Visual Studio).
2. Run the executable and follow the prompts to search/add/delete words.

1. Open the project in Qt Creator.
2. Build the project and run.
3. Use the GUI to interact with the autocomplete system:
   • Enter a prefix
   • Choose sorting method from dropdown
   • View suggestions
   • Add/Delete words through buttons