C++: Using Arrays vs Vectors
An example of an AI chatbot conversation about C++ arrays and vectors.
What are the main differences between arrays and vectors in C++?
Arrays are fixed in size and have a static memory allocation, while vectors are dynamic and can resize.
When should I use vectors instead of arrays?
Use vectors when you need dynamic sizing or when you want to take advantage of built-in functions like push_back.
Are there any performance differences between them?
Yes, arrays can be faster due to less overhead, but vectors offer more flexibility and safety.
Can you give an example of how to declare and use both?
Sure! For an array: int arr[5]; and for a vector: std::vector<int> vec; vec.push_back(1);.
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