I learned C++ around 6-7 years ago but haven't used it much since then. Now that I'm looking for jobs, I want to brush up on my C++ skills. I've gone through my notes and I'm looking for practice problems that cover topics such as OOP, multithreading, and memory management. I checked out LeetCode and Hacker Earth, but those sites focus more on data structures and algorithms, which aren't my main priority right now as I come from a non-CS background (robotics). Can anyone suggest some sites or resources that would be useful for my practice?
3 Answers
Consider looking for an open-source robotics project on GitHub that aligns with your interests. You can contribute by fixing bugs or enhancing features. This will give you hands-on experience with real code, plus it's a great resume booster!
If you share your specific interests, people can suggest some practical ideas. For example, you could look into:
- Signal processing
- Game engines
- Trading systems
- High-performance computing
- Simulation and visualization
Each of these areas has plenty of opportunities to apply C++!
You could build small projects with C++. Check out this awesome resource: https://github.com/codecrafters-io/build-your-own-x. It has a bunch of projects you can try out, and it’ll definitely help you understand different concepts better.

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