What are the differences between raw pointers and smart pointers in C++?

What are the differences between raw pointers and smart pointers in C++?

Raw pointers are basic pointers that directly hold memory addresses, while smart pointers manage memory automatically, preventing leaks.

Can you explain how smart pointers help with memory management?

Smart pointers, like std::unique_ptr and std::shared_ptr, automatically deallocate memory when they go out of scope, reducing the risk of memory leaks.

Are there any performance differences between using raw pointers and smart pointers?

Yes, smart pointers may introduce slight overhead due to their management features, but they greatly enhance safety and maintainability.

When should I use raw pointers instead of smart pointers?

Use raw pointers when you need low-level control or when interfacing with legacy code, but prefer smart pointers for most cases.