example1_use_with_std_vector.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;

    // Adding elements using push_back
    numbers.push_back(10);
    numbers.push_back(20);
    numbers.push_back(30);

    // Printing the vector
    std::cout << "Vector contents: ";
    for (int num : numbers) {
        std::cout << num << " ";
    }
    std::cout << std::endl;

    // Checking size
    std::cout << "Vector size: " << numbers.size() << std::endl;

    return 0;
}