example1_basic_usage.cpp

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#include <iostream>
#include <vector>

int main() {
    std::vector<int> numbers = {1, 2, 3, 4, 5};

    numbers.push_back(6);  // Add element to the end

    std::cout << "Size: " << numbers.size() << std::endl;
    std::cout << "Capacity: " << numbers.capacity() << std::endl;

    // Accessing elements
    std::cout << "First element: " << numbers[0] << std::endl;
    std::cout << "Last element: " << numbers.back() << std::endl;

    // Iterating
    for (int num : numbers) {
        std::cout << num << " ";
    }
    std::cout << std::endl;

    return 0;
}