C++ is a powerful programming language that has a variety of applications in software development, game development, and system programming. If you’re a beginner looking to improve your skills and build some interesting projects, here are some ideas:

1. Calculator: Build a simple calculator application that can perform basic arithmetic operations such as addition, subtraction, multiplication, and division.
2. Tic Tac Toe: Create a classic game of Tic Tac Toe that can be played against the computer.
3. Hangman: Develop a Hangman game where the player has to guess a word by choosing letters.
4. Snake Game: Build a classic Snake game where the player controls a snake that grows in length as it eats food.
5. Student Database Management System: Create a program that allows users to manage student records, including adding, deleting, and updating student information.
6. Movie Database: Build a program that allows users to manage a movie database, including adding new movies, deleting movies, and searching for movies by title, actor, or director.
7. Text Editor: Develop a simple text editor that allows users to create and edit text files.
8. Sudoku: Create a Sudoku game where the player has to fill in the missing numbers in a 9×9 grid.
9. Music Player: Build a simple music player that allows users to play, pause, and skip tracks.
10. Weather App: Develop an application that retrieves weather information based on a user’s location and displays the information in an easy-to-read format.

In conclusion, these are some interesting C++ projects for beginners that can help them improve their programming skills and build practical applications. By working on these projects, beginners can gain experience in coding, debugging, and problem-solving.