How can I use advanced features of vectors in C++ STL?
An example of an AI chatbot conversation about advanced features of vectors in C++ STL.
What are some advanced features of vectors in C++ STL?
Advanced features of vectors include methods like reserve(), shrink_to_fit(), and using iterators for efficient manipulation.
Can you explain how reserve() works and when to use it?
reserve() allocates memory for a specified number of elements, preventing multiple reallocations as the vector grows. Use it when you know the size in advance.
What about shrink_to_fit()? How does it differ from resize()?
shrink_to_fit() reduces the capacity of the vector to fit its size, while resize() changes the number of elements. The former is for memory optimization.
Are there any performance considerations I should be aware of?
Yes, using reserve() can improve performance by minimizing reallocations, while shrink_to_fit() can help manage memory usage effectively.
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