What are some examples of using std::vector in C++?
An example of an AI chatbot conversation about C++ std::vector usage and examples.
Can you give me some examples of how to use std::vector in C++?
Sure! std::vector is a dynamic array that can resize itself. For example, you can declare a vector like this: std::vector<int> numbers;.
How do I add elements to the vector?
You can use the push_back method to add elements. For example: numbers.push_back(10); will add 10 to the end of the vector.
What if I want to access an element?
You can access elements using the index operator. For example, int firstNumber = numbers[0]; retrieves the first element.
Can I remove elements from the vector?
Yes, you can use the pop_back method to remove the last element or erase to remove a specific element.
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